1961 1. G. Slomp, FA Mackellar, and LA Paquette

HETEROCYCLES, Vol. 62, 2004 35

PUBLICATIONS OF LEO A. PAQUETTE

Part I

(Papers 1- 400)

1961

1. G. Slomp, F. A. Mackellar, and L. A. Paquette, "Structure Studies by Nuclear Magnetic Resonance Spectroscopy. 1. The Photodimer of N-Methyl-2-pyridone," J. Am. Chem. Soc. 83, 4471 (1961).

1962

2. N. A. Nelson and L. A. Paquette, "Steroidal Hormone Analogs. X. 6-(1,2,3,4-Tetrahydro-2- naphthyl)-2(1H)-pyridones," J. Org. Chem., 27, 964 (1962).

3. L. A. Paquette and N. A. Nelson, "The Synthesis of 1-(β-1-Naphthylethyl)-2(1H)-pyridones," J. Org. Chem., 27, 1085 (1962).

4. E. L. Schumann, L. A. Paquette, R. V. Heinzelman, D. P. Wallach, J. P. DaVanzo, and M. E. Greig, "The Synthesis and gamma-Aminobutyric Acid Transaminase Inhibition of Aminooxy Acids and Related Compounds," J. Med. Pharm. Chem., 5, 464 (1962).

5. L. A. Paquette and N. A. Nelson, "The Synthesis of trans-3-Oxa-4-oxo- and trans-4-Oxa-3- oxobicyclo[5.4.0]undecanes," J. Org. Chem., 27, 2272 (1962).

6. L. A. Paquette, "A Novel Rearrangement of an Aminooxy Compound," Tetrahedron Lett., 11, 85 (1962).

7. L. A. Paquette, "The Alkaline Ferricyanide Oxidation of Benzo[b]quinolizinium Bromide," Chem. Ind., 1292 (1962).

8. L. A. Paquette, "Hydroxylamine Chemistry. II. The Abnormal Michael Reaction of N,N- Disubstituted Hydroxylamines with 2- and 4-Vinylpyridines," J. Org. Chem. 27, 2870 (1962).

9. L. A. Paquette, "A Non-Carbenoid Ring Expansion of a Benzenoid System," J. Am. Chem. Soc., 84, 4987 (1962).

1963

10. L. A. Paquette and G. Slomp, "Derivatives of trans-3,7-Diazatricyclo[4.2.2.22,5]dodecane," J. Am. Chem. Soc. 85, 765 (1963).

11. L. A. Paquette, "Dihydroazepinone Chemistry. II. Mechanistic Considerations of the Formation and Acid Hydrolysis of the 1,3-Dihydro-2H-azepin-2-ones," J. Am. Chem. Soc. 85, 3288 (1963).

12. L. A. Paquette, "Dihydroazepinone Chemistry. III. The Base-Catalyzed Deuterium Exchange of 1,3-Dihydro-1,3,5,7-tetramethyl-2H-azepin-2-one," J. Org. Chem., 28, 3590 (1963). 36 HETEROCYCLES, Vol. 62, 2004

13. L. A. Paquette and J. K. Reed, "Dihydroazepinone Chemistry. IV. 1-Aminoalkyl-1,3- dihydro-3,5,7-trimethyl-2H-azepin-2-ones," J. Med. Chem., 6, 771 (1963).

14. L. A. Paquette, "The Photoisomerization of a Cyclic Dienamine," Tetrahedron Lett. 29, 2027 (1963).

15. L. A. Paquette, "Derivatives of 3H-Azepine," J. Am. Chem. Soc., 85, 4053 (1963).

1964

16. L. A. Paquette, "Dihydroazepinone Chemistry. VI. The Photoisomerization of 1,3- Dihydro-3,5,6-trimethyl-2H-azepin-2-one," J. Am. Chem. Soc. 86, 500 (1964).

17. L. A. Paquette, "1,3-Dihydro-3,5,7-trimethyl-2H-azepin-2-one," Organic Syntheses, 44, 41 (1964).

18. L. A. Paquette, "α-Halosulfones. I. Conformational Requirements of α-Sulfonyl Carbanions in the Synthesis of Phenanthrenes from 2-Chloro-2,7-dihydro-3,4,5,6- dibenzothiepin-1,1-dioxides," J. Am. Chem. Soc. 86, 4085 (1964).

19. L. A. Paquette, "α-Halosulfones. II. The Ramberg-Bäcklund Rearrangement of α,α- Dichlorosulfones. The Solvolytic Fate of α-Chloroepisulfones," J. Am. Chem. Soc., 86, 4089 (1964).

20. L. A. Paquette, "α-Halosulfones. III. The Steric Course of the Cycloaddition of Chlorosulfene to Enamines," J. Org. Chem., 29, 2854 (1964).

21. L. A. Paquette, "The Stereoselective Reaction of Bicyclic Enamines with Sulfene," J. Org. Chem., 29, 2851 (1964).

22. L. A. Paquette, "Unsaturated Heterocyclic Systems. VIII. 2,3-Dihydro-1H-azepines," J. Am. Chem. Soc., 86, 4092 (1964).

23. L. A. Paquette, "Unsaturated Heterocyclic Sytems. IX. Derivatives of 3H-Azepine," J. Am. Chem. Soc., 86, 4096 (1964).

24. L. A. Paquette, "α-Halosulfones. IV. A Facile Conversion of Mercaptans to Homologous Terminal Olefins," J. Am. Chem. Soc. 86, 4383 (1964).

25. L. A. Paquette, "Some Diels-Alder Studies of the 1,3-Dihydro-2H-azepin-2-ones," J. Org. Chem. 29, 3447 (1964).

26. L. A. Paquette, "Hydroxylamine Chemistry. V. O-(2-Hydroxyethyl)acetone Oxime p- Toluenesulfonate, a Useful Intermediate for the Preparation of Hydroxylamine Derivatives," J. Org. Chem. 29, 3545 (1964).

1965

27. L. A. Paquette and L. D. Wise, "The Hofmann Elimination of 9-Methyl-3,9- diazabicyclo[4.2.1]nonan-4-one Methiodide; Nature of the Product and Mechanism," J. Org. Chem., 30, 228 (1965).

HETEROCYCLES, Vol. 62, 2004 37

28. L. A. Paquette, "Fused Aromatic Derivatives of Thiete and Thiete Sulfone," J. Org. Chem. 30, 629 (1965).

29. L. A. Paquette and L. D. Wise, "Transannular Cyclizations in Medium-Sized Unsaturated Lactams. Apparent Dependence of Transannular Interaction Upon Conformational Factors," J. Am. Chem. Soc., 87, 1561 (1965).

30. L. A. Paquette, "A New Class of Activated Esters: The 1-Acyloxy-2(1H)-pyridones," J. Am. Chem. Soc. 87, 1407 (1965).

31. L. A. Paquette, "The Self-Trapping of Enamine-Aldehyde Condensation Products: A New Xanthone Synthesis, Tetrahedron Lett., 1291 (1965).

32. L. A. Paquette, "Unsaturated Heterocyclic Systems. XVII. The Reactioin of 2(1H)-Pyridone with Hexafluoro-2-butyne," J. Org. Chem., 30, 2107 (1965).

33. L. A. Paquette, J. H. Barrett, R. P. Spitz, and R. Pitcher, "The Photoisomerization of the 2,3- Dihydrooxepin Ring. Long Range Coupling in Some 2-Oxa-bicyclo[3.2.0]hept-6-enes," J. Am. Chem. Soc. 87, 3417 (1965).

34. L. A. Paquette and R. W. Begland, "Transannular Participation of Ether Oxygen in the Hydrolysis of a Mesocyclic Dienamine," J. Am. Chem. Soc., 87, 3784 (1965).

35. L. A. Paquette and T. R. Phillips, "An Unusual Acid-Catalyzed Dehydrative Expulsion of Sulfur Dioxide from a Thietane Dioxide," J. Org. Chem. 30, 3883 (1965).

36. L. A. Paquette, "Electrophilic Additions of Acyl and Sulfonyl Halides to 2-Ethoxypyridine-1- oxide. A New Class of Activated Esters and Their Application to Peptide Synthesis," J. Am. Chem. Soc., 87, 5186 (1965).

1966

37. L. A. Paquette, B. A. Johnson, and F. M. Hinga, "2-Chloro-1-formyl-1-cyclohexene," Organic Syntheses, 46, 18 (1966).

38. L. A. Paquette, "Unsaturated Heterocyclic Systems. XVI. A Novel Synthesis of Cyclic Hydroxamic Acid Esters," Tetrahedron, 22, 25 (1966).

39. L. A. Paquette and H. Stucki, "A New General Approach to the Synthesis of Oxygen- Containing Heterocycles By Virtue of Hydroxyl Neighboring Group Participation. The Condensation of Enamines with Salicylaldehydes," J. Org. Chem. 31, 1232 (1966).

40. L. A. Paquette and M. Rosen, "A Facile Ring Cleavage of 3-Aminothietane Dioxides," Tetrahedron Lett., 311 (1966).

41. L. A. Paquette and J. Heimaster, "The Stereochemical Course of a Robinson-Schöpf Biogenetic-Type Reaction. The Conformation of Certain Tricyclic Tropane Congeners," J. Am. Chem. Soc., 88, 763 (1966).

42. L. A. Paquette, "Unsaturated Medium-Sized Heterocyclic Rings. Synthesis and Selected Reactions," Trans. N. Y. Acad. Sci., 28, No. 3, 387 (1966).

43. L. A. Paquette and J. H. Barrett, "The Photoisomerization of Heteroatomic 8π-Electron System. Long Range Coupling in Some Bicyclo[3.2.0]hepta-3,6-dienes," J. Am. Chem. Soc., 88, 1718 (1966). 38 HETEROCYCLES, Vol. 62, 2004

44. A. M. Duffield, C. Djerassi, L. D. Wise, and L. A. Paquette, "Mass Spectrometry in Structural and Stereochemical Problems. A Study of the Fragmentation of Some Azabicyclo Lactams," J. Org. Chem., 31, 1599 (1966).

45. L. A. Paquette and L. S. Wittenbrook, "The Alledged Functionalized Episulfones of Etlis," J. Org. Chem., 31, 1997 (1966).

46. L. A. Paquette and J. H. Barrett, "The Thermal Dimerization of N-Carbethoxyazepine," J. Am. Chem. Soc., 88, 2590 (1966)

47. L. A. Paquette and L. S. Wittenbrook, "The in situ Generation of Thiirene Dioxides by the Base-Induced Rearrangement of α,α-Dihalosulfones," Chem. Commun., 471 (1966).

48. L. A. Paquette and R. W. Begland, "Stabilized Derivatives of cis,cis,cis-1,3,5-Cyclodecatriene. Keto-Enol Tautomerism in 2,3-Dicarbomethoxy-cis,cis-3,5-Cyclodecadienones and cis-3- Cycloalkenones," J. Am. Chem. Soc., 88, 4685 (1966).

1967

49. L. A. Paquette and M. Rosen, "A Novel Rearrangement Attending the Addition of Sulfenes to 1,3-Bis(dimethylamino)-3-phenyl-1-propene," Tetrahedron Lett., 703 (1967).

50. L. A. Paquette and O. Cox, "Photochemical Transformations of 2,3-Homotropone," J. Am. Chem. Soc., 89, 1969 (1967).

51. L. A. Paquette and W. C. Farley, "Unsaturated Heterocyclic Systems. XXVI. New Aspects of the Phenoxide Ion to 1,3-Dihydro-2H-azepin-2-one Ring Expansion," J. Am. Chem. Soc., 89, 3595 (1967).

52. L. A. Paquette and W. C. Farley, "The Chloramine-Induced Oxidative Dimerization of Phenols," J. Org. Chem., 32, 2718 (1967).

53. L. A. Paquette and R. W. Begland, "Oxocane. Syntheis and Conformational Isomerization," J. Org. Chem., 32, 2723 (1967).

54. L. A. Paquette and M. Rosen, "The Reaction of Sulfenes with 1,3-Bis(dimethylamino)-1- alkenes. Mechanistic Dichotomy as a Function of Substitution," J. Am. Chem. Soc., 89, 4102 (1967).

55. L. A. Paquette and W. C. Farley, "The Chlorination of Conjugated Dienamides. A New Application of the Principle of Least Motion," J. Org. Chem., 32, 2725 (1967).

56. L. A. Paquette and L. S. Wittenbrook, "α-Halosulfones. VI. Evidence for the Intermediacy of Thiirene Dioxides in the Base-Promoted Rearrangement of α,α-Dichlorosulfones," J. Am. Chem. Soc., 89, 4483 (1967).

57. L. A. Paquette, L. S. Wittenbrook, and V. V. Kane, "α-Halosulfones. VII. The Ramberg-Bäcklund Rearrangement of α,α-Dichloromethyl Sulfones," J. Am. Chem. Soc., 89, 4487 (1967).

58. L. A. Paquette, A. A. Youssef, and M. L. Wise, "Mechanistic Aspects of the Anomalous Hydride Reduction of Cyclobutene Epoxides," J. Am. Chem. Soc., 89, 5246 (1967).

59. L. A. Paquette and O. Cox, "The Photochemistry of 2,3-Homotropone," J. Am. Chem. Soc., 89, 5633 (1967). HETEROCYCLES, Vol. 62, 2004 39

60. L. A. Paquette and J. C. Philips, "New Convenient Synthesis of Substituted Cyclobutenes," Tetrahedron Lett., 4645 (1967).

61. L. A. Paquette and D. E. Kuhla, "A Versatile New Synthesis of 1H-Azepines," Tetrahedron Lett., 4517 (1967).

62. L. A. Paquette and R. F. Eizember, "The Photoisomerization of 3-Cyclooctenones," J. Am. Chem. Soc., 89, 6205 (1967).

63. L. A. Paquette and T. J. Barton, "A Synthesis of the Azabullvalene System," J. Am. Chem. Soc., 89, 5480 (1967).

64. L. A. Paquette, T. J. Barton, and E. B. Whipple, "The Temperature Dependent Behavior of 3- Methoxy-4-azatricyclo[3.3.2.02,8]deca-3,6,9-triene (Methoxyazabullvalene)," J. Am. Chem. Soc., 89, 5481 (1967).

65. L. A. Paquette and O. Cox, "Diels-Alder Reactions of 2,3-Homotropone," Chem. Ind. (London), 1748 (1967).

66. L. A. Paquette and L. D. Wise, "The Preparation of Caged Ketosulfides. An Analysis of S- CCO Interaction in Certain Tetrahydro-1,4-thiapyrones Possessing Rigid Boat Conformations," J. Am. Chem. Soc., 89, 6659 (1967).

67. L. A. Paquette, T. J. Barton, and N. Horton, "Reaction of Diphenylcyclopropenone with Activated Isocyanates. A Facile Synthesis of Selected Iminocyclopropenes," Tetrahedron Lett., 5039 (1967).

1968

68. L. A. Paquette, "The Alpha-Halo Sulfone Rearrangement," a contributed chapter in "Mechanisms of Molecular Migrations," B. S. Thyagarajan, editor, Interscience Publishers, Inc., pp. 121-156 (1968).

69. L. A. Paquette and M. L. Wise, "The Fate of Transannularly-Disposed Diazo and Keto Functions in Cyclodecanes," Tetrahedron, 24, 2937 (1968).

70. L. A. Paquette, L. S. Wittenbrook, and K. Schreiber, "Directive Effects in the Chlorination of Benzyl Chloromethyl Sulfides," J. Org. Chem., 33, 1080 (1968).

71. L. A. Paquette and L. D. Wise, "Deuterium Substitution in the 4H-Thiopyran-4-one 1,1- Dioxide Systems," J. Am. Chem. Soc., 90, 807 (1968).

72. L. A. Paquette and N. Horton, "Unsaturated Heterocyclic Systems. XXXVI. Reactions of Tropones with Activated Isocyanates," Tetrahedron Lett., 2289 (1968).

73. L. A. Paquette and G. R. Krow, "Electrophilic Additions to Hexamethyldewarbenzene," Tetrahedron Lett., 2139 (1968).

74. L. A. Paquette, "The Azasemibullvalene System," Tetrahedron Lett., 2133 (1968).

75. L. A. Paquette and M. Rosen, "Synthesis and Properties of 1H-Naphtho[2,1-b]-thiete 2,2- Dioxide," J. Org. Chem., 33, 2130 (1968).

40 HETEROCYCLES, Vol. 62, 2004

76. L. A. Paquette and M. K. Scott, "Unsaturated Heterocyclic Systems. XXXIX. Transannular Cyclizations in Medium-Sized Unsaturated Azalactams," J. Org. Chem., 33, 2379 (1968).

77. L. A. Paquette, M. Rosen, and H. Stucki, "Unsaturated Heterocyclic Systems. XL. Evaluation of Spiro[9,10-ethanoanthracene-11,2'-thietane] S,S-Dioxides and 2-α- Dialkylaminoalkyl-3-dialkylaminothietane 1,1-Dioxides as Precursors of 2-Methylenethiete 1,1-Dioxide Derivatives," J. Org. Chem., 33, 3020 (1968).

78. L. A. Paquette and M. Rosen, "Unsaturated Heterocyclic Systems. XLI. Selected Reactions of 2-Methylenethiete 1,1-Dioxides," J. Org. Chem., 33, 3027 (1968).

79. L. A. Paquette, R. F. Eizember, and O. Cox, "Photochemical Transformations of Selected 3- Cycloheptenone Derivatives," J. Am. Chem. Soc., 90, 5153 (1968).

80. L. A. Paquette and R. W. Begland, "The Interception of Homoallyllic Cations by Neighboring Hydroxyl," J. Am. Chem. Soc., 90, 5159 (1968).

81. L. A. Paquette, "The Base-Induced Rearrangement of α-Halosulfones," Accounts Chem. Res., 1, 209 (1968).

82. L. A. Paquette, G. R. Krow, J. R. Malpass, and T. J. Barton, "Pyrolysis of Azabullvalenes and 7-Azabicyclo[4.2.2]deca-2,4,7,9-tetraenes," J. Am. Chem. Soc., 90, 3600 (1968).

83. L. A. Paquette and T. Kakihana, "The Azacyclooctatetraene (Azocine) System," J. Am. Chem. Soc., 90, 3897 (1968).

84. L. A. Paquette and J. C. Philips, "Concerning Azacyclooctatetraene Valence Tautomerism. Preparation of Annelated 7-Azabicyclo[4.2.0]octa-2,4,7-trienes," J. Am Chem. Soc., 90, 3898 (1968).

85. L. A. Paquette, R. W. Begland, and P. C. Storm, "Acid-Promoted Rearrangements Involving Transannular Ether Oxygen Participation," J. Am. Chem. Soc., 90, 6148 (1968).

86. I. C. Paul, S. M. Johnson, L. A. Paquette, J. H. Barrett, and R. J. Haluska, "The Molecular Geometry of Derivatives of 1H-Azepine in the Free and Complexed State," J. Am. Chem. Soc., 90, 5023 (1968).

87. L. A. Paquette and L. S. Wittenbrook, "α-Halosulfones. X. Kinetics and Mechanism of the Rearrangement of Acyclic α-Halosulfones with Hydroxide Ion," J. Am. Chem. Soc., 90, 6783 (1968).

88. L. A. Paquette and L. S. Wittenbrook, "α-Halosulfones. XI. The Ramberg-Bäcklund Rearrangement of Trichloromethyl Sulfones," J. Am. Chem. Soc., 90, 6790 (1968).

89. L. A. Paquette and R. J. Haluska, "The Reaction of Cycloheptatriene with Carbomethoxynitrene: Synthesis of 2,3- and 4,5-Homo-1H-azepines," Chem. Commun., 1370 (1968).

90. L. A. Paquette, G. R. Krow, G. A. Olah, and J. M. Bollinger, "The Protonation of Hexamethyl(Dewar)benzene and Hexamethylprismane in FSO3H-SbF5-SO2," J. Am. Chem. Soc., 90, 7147 (1968).

91. L. A. Paquette and G. R. Krow, "Photochemical Transformations of 2- Methoxyazabullvalene," J. Am. Chem. Soc., 90, 7149 (1968). HETEROCYCLES, Vol. 62, 2004 41

92. L. A. Paquette and J. R. Malpass, "Benzazabullvalenes. Synthesis and Interconvertibility," J. Am. Chem. Soc., 90, 7151 (1968).

93. L. A. Paquette, "Principles of Modern Heterocyclic Chemistry," W. A. Benjamin, Inc., New York, N.Y., 1968.

1969

94. L. A. Paquette and J. H. Barrett, "2,7-Dimethyloxepin," Organic Syntheses, 49, 62 (1969).

95. L. A. Paquette and G. V. Meehan, "Photorearrangement of β,γ-Unsaturated Ketones. Application to the Synthesis of Bridged Bicyclic Ketones," J. Org. Chem., 34, 450 (1969).

96. I. C. Paul, S. M. Johnson, J. H. Barrett, and L. A. Paquette, "The Thermal (6+4)π Cocycloaddition of N-Carbalkoxyazepines. Crystal Structure Analysis of a Derived Monomethiodide," Chem. Commun., 6, (1969).

97. L. A. Paquette, G. V. Meehan, and R. F. Eizember, "Photochemically-Induced Bond- Switching Rearrangements of Conjugated cis-Bicyclo[5.1.0]octenones," Tetrahedron Lett., 995 (1969).

98. L. A. Paquette, G. V. Meehan, and R. F Eizember, "Mechanistic Dichotomy in the Photorearrangement of Methylene Analogs of Conjugated cis-Bicyclo[5.1.0]octenones," Tetrahedron Lett., 999 (1969).

99. L. A. Paquette, G. V. Meehan, and L. D. Wise, "Analysis of the Stereochemical and Proximity Requirements for R2S-4 Participation in Carbonium Ion Reactions. Solvolysis of Stereoisomeric Caged Thia Alcohol Derivatives," J. Am. Chem. Soc., 91, 3231 (1969).

100. L. A. Paquette, J. H. Barrett, and D. E. Kuhla, "Thermochemical Reactions of 1H-Azepine Derivatives. I. Dimerization," J. Am Chem. Soc., 91, 3616 (1969).

101. L. A. Paquette and R. W. Houser, "α-Halosulfones. XII. The Chlorination of Bridgehead Sulfides and Sulfones. Transannular Double Bond Formation in the Base-Induced Rearrangement of Bridgehead α-Chloro Sulfones," J. Am. Chem. Soc., 91, 3870 (1969).

102. L. A. Paquette, J. P. Freeman, and R. W. Houser, "Concerning the Electronic Stabilization of Sulfenes," J. Org. Chem., 34, 2901 (1969).

103. L. A. Paquette, T. Kakihana, J. F. Kelly, and J. R. Malpass, "Concerning Tautomeric Equilibria in the Azocine Series," Tetrahedron Lett., 1455 (1969).

104. L. A. Paquette and L. S. Wittenbrook, "2-Chlorothiirane 1,1-Dioxide," Organic Syntheses, 49, 18 (1969).

105. L. A. Paquette, D. E. Kuhla, J. H. Barrett, and R. J. Haluska, "A General Synthetic Entry to Derivatives of 1H-Azepine. Unsaturated Heterocyclic Systems. LII," J. Org. Chem., 34, 2866 (1969).

106. L. A. Paquette, D. E. Kuhla, and J. H. Barrett, "Thermochemical Reactions of 1H-Azepine Derivatives. II. Aromatization and Sigmatropic Migrations Involving Nitrogen," J. Org. Chem., 34, 2879 (1969).

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107. L. A. Paquette and D. E. Kuhla, "Unsaturated Heterocyclic Systems. LIV. Photorearrangements of the Methyl N-Carbomethoxyazepines," J. Org. Chem., 34, 2885 (1969).

108. L. A. Paquette, D. E. Kuhla, J. H. Barrett, and L. M. Leichter, "Unsaturated Heterocyclic Systems. LV. Cycloaddition Reactions of Derivatives of 1H-Azepine," J. Org. Chem. 34, 2888 (1969).

109. L. A. Paquette and R. W. Begland, "The Reactions of a Mesocyclic Dienamine with Sulfene," J. Org. Chem., 34, 2896 (1969).

110. L. A. Paquette, J. R. Malpass, and T. J. Barton, "Homotropylium Cations. Substituent Control on their Generation and Subsequent Reactions," J. Am. Chem. Soc., 91, 4714 (1969).

111. L. A. Paquette, J. R. Malpass, G. R. Krow, and T. J. Barton, "Azabullvalences and Benzazabullvalenes. Unsaturated Heterocyclic Systems. LX," J. Am. Chem. Soc., 91, 5296 (1969).

112. L. A. Paquette and J. C. Philips, "A Stable Bicyclo[4.2.0]octatriene," Chem. Commun., 680 (1969).

113. L. A. Paquette, S. Kirschner, and J. R. Malpass, "Competitive 1,2- and 1,6-Cycloadditions to Bullvalene," J. Am. Chem. Soc., 91, 3970 (1969).

114. L. A. Paquette and J. C. Philips, "[4.4.2]Propella-2,4,7,9,11-pentaene," J. Am. Chem. Soc., 91, 3973 (1969)

115. L. A. Paquette, G. R. Krow, and J. R. Malpass, "Pyrolysis of Azabullvalenes and 7- Azabicyclo[4.2.0]deca-2,4,7,9-tetraenes. Unsaturated Heterocyclic Systems. LXI," J. Am. Chem. Soc., 91, 5522 (1969).

116. L. A. Paquette and G. R. Krow, "A Synthetic Entry Into the Azasemibullvalene System. Unsaturated Heterocyclic Systems. LXII," J. Am. Chem. Soc., 91, 6107 (1969).

117. L. A. Paquette, G. V. Meehan, and S. J. Marshall, "Functionalization Reactions of Tricyclo[5.2.1.04,10]decane. The Tricyclo[5.2.1.04,10]decane to Adamantane Rearrangement," J. Am. Chem. Soc., 91, 6779 (1969).

118. L. A. Paquette and R. F. Eizember, "Photochemistry of the cis- and trans- Bicyclo[6.1.0]nonan- 2-ones," J. Am. Chem. Soc., 91, 7108 (1969).

119. L. A. Paquette and J. C. Stowell, "Stereochemistry of a Thermal Rearrangement in the (CH)12 Series. Establishment of the Suprafacial Nature of a [1,5] Carbon Migration," Tetrahedron Lett., 4159 (1969).

120. L. A. Paquette, "Azepines, Oxepines, and Thiepins," a contributed chapter in "Nonbenzenoid Aromatics," J. Snyder, editor, Academic Press, Inc., 1969, pp. 249-310.

121. L. A. Paquette and J. F. Kelly, "The exo,exo-11,12-Diazatetracyclo[4.4.2.02,5.07,10]dodeca- 3,8,11-triene System," Tetrahedron Lett., 4509 (1969).

122. L. A. Paquette and J. P. Freeman, "Transition State Geometry of a (2+2) Cycloaddition Reaction. Asymmetric Synthesis in a Sulfene-Enamine Condensation," J. Am. Chem. Soc., 91, 7548 (1969).

HETEROCYCLES, Vol. 62, 2004 43

1970

123. L. A. Paquette and R. J. Haluska, "The Synthesis and Photoisomerization of Homo-1H- azepine Derivatives," J. Org. Chem., 35, 132 (1970).

124. L. A. Paquette, J. R. Malpass, and G. R. Krow, "Mechanistic Details of the Photoinduced Formation and Thermal Rearrangement of 3-Methoxy-4-aza-6,7- benzotricyclo[3.3.2.02,8]deca-3,6,9-triene (Benzazabullvalene A)," J. Am. Chem. Soc., 92, 1980 (1970).

125. L. A. Paquette, R. W. Houser, and M. Rosen, "Cycloaddition Reactions of Thiete 1,1- Dioxides. The Preparation of 2-Thiabicyclo[2.2.0]hexane Derivatives," J. Org. Chem., 35, 905 (1970).

126. L. A. Paquette, R. W. Begland, and P. C. Storm, "A Study of Competitive R2O-3 and Homoallylic Participation in a Medium-Sized Ring. Acetolysis of Oxocan-3-yl and 3,4,7,8- Tetrahydro-2H-oxocin-3-yl Brosylates," J. Am. Chem. Soc., 92, 1971 (1970).

127. L. A. Paquette and G. V. Meehan, "Mechanistic Features of the Base-Induced Decomposition of Dibenzoemibullvalene 1-Carboxaldehyde Tosylhydrazone," J. Am. Chem. Soc., 92, 3039 (1970).

128. L. A. Paquette, J. F. Hansen, T. Kakihana, and L. B. Anderson, "Electrochemical Characterization of Azocinyl Dianions," Tetrahedron Lett., 533 (1970).

129. L. A. Paquette, T. Kakihana, and J. F. Hansen, "Azocinyl Dianions, Their Generation and Protonation," Tetrahedron Lett., 529 (1970).

130. L. A. Paquette, M. J. Wyvratt, and G. R. Allen, Jr., "Stereochemistry of the Thermal Fragmentation of β-Lactams. Comparison with the Pyrolysis of 1-Azetines," J. Am. Chem. Soc., 92, 1763 (1970).

131. L. A. Paquette and L. M. Leichter, "The Tricyclo[4.1.0.02,5]hept-3-ene to Quadricyclane Rearrangement. Intramolecular Trapping of a 1,3-Diradical by a Remote Cyclobutene Ring," J. Am. Chem. Soc., 92, 1765 (1970).

132. L. A. Paquette and J. P. Freeman, "Mechanism of Thietane Formation from the Reaction of 1,3-Dioxan-2-ones with Thiocyanate Ion: A Stereochemical Investigation," J. Org. Chem., 35, 2249 (1970).

133. L. A. Paquette, S. Kirschner, and J. R. Malpass, "(CH)10CO2 Interconversions. The Electrophilic Addition of Chlorosulfonyl Isocyanate to Bullvalene," J. Am. Chem. Soc., 92, 4330 (1970).

134. L. A. Paquette and J. C. Stowell, "Silver Ion Catalyzed Rearrangements of Strained Sigma Bonds. Application to the Homocubyl and 1,1'-Bishomocubyl Systems," J. Am. Chem. Soc., 92, 2584 (1970).

135. L. A. Paquette and P. C. Storm, "Stereochemical Aspects of R2O-3 Participation. Solvolytic Studies of the Epimeric 9-Oxabicyclo[4.2.1]nonan-2-yl Brosylates," J. Am. Chem. Soc., 92, 4295 (1970).

136. L. A. Paquette and R. H. Meisinger, "The Influence of the Amide Function on Excited State Free Valence. The Di-π-methane Photorearrangement of 5,6-Benzo-2azabicyclo[2.2.2]octa- 5,7-dien-3-ones," Tetrahedron Lett., 1479 (1970). 44 HETEROCYCLES, Vol. 62, 2004

137. L. A. Paquette and J. A. Schwartz, "Stereochemical Course of the Thermally-Induced Fragmentation of Bicyclo[2.2.0]hexanes to Diallyls. Pyrolysis of the Dimethyl Bicyclo[2.2.0]hexane-2,3-dicarboxylates," J. Am. Chem. Soc., 92, 3215 (1970).

138. L. A. Paquette and J. C. Stowell, "Benzo(CH)10 Interconverions. The Synthesis and Thermal Isomerization of anti-7.8-Benzotricyclo[4.2.0.02,5]-deca-3,7,9-triene," Tetrahedron Lett., 2259 (1970).

139. L. A. Paquette and P. C. Storm, "Stereochemical Aspects of R2O-3 Participation. Lithium Aluminum Hydride Reduction of 9-Oxabicyclononan-2-yl Iodides," J. Org. Chem., 35, 3390 (1970).

140. L. A. Paquette, "Silver(I) Ion Catalyzed Rearrangements of Strained σ Bonds. II. Application to the Synthesis of Semibullvalene," J. Am. Chem. Soc., 92, 5765 (1970).

141. L. A. Paquette, G. R. Allen, Jr., and R. P. Henzel, "Silver(I) Ion Catalyzed Rearrangements of Strained σ Bonds. IV. The Fate of Tricyclo[4.1.0.02,7]heptane," J. Am. Chem. Soc., 92, 7002 (1970).

1971

142. L. A. Paquette, T. Kakihana, J. F. Hansen, and J. C. Philips, "π-Equivalent Heterocyclic Congeners of Cyclooctatetraene. The Synthesis and Valence Isomerization of 2- Alkoxyazocines," J. Am. Chem. Soc., 93, 152 (1971).

143. L. B. Anderson, J. F. Hansen, T. Kakihana, and L. A. Paquette, "Electrochemical Studies of the Reduction of 2-Methoxyazocines in Aprotic Solvents. Comparision with the Cyclooctatetraene System," J. Am. Chem. Soc., 93, 161 (1971).

144. L. A. Paquette, J. F. Hansen, and T. Kakihana, "The Generation and Protonation of Azocinyl Dianions," J. Am. Chem. Soc., 93, 168 (1971).

145. L. A. Paquette and T. Kakihana, "Reactions of Azocinyl Dianions with Non-Enolizable Ketones and Aldehydes," J. Am. Chem. Soc., 93, 174 (1971).

146. L. A. Paquette, "Valence Isomerism in Selected Heterocyclic Systems," Angew. Chem., 83, 11 (1971); Angew. Chem. Int. Ed. Engl., 10, 11 (1971).

147. L. A. Paquette, T. Kakihana, and J. F. Kelly, "The 1-Aza-2,4,6-cyclooctatriene-7- azabicyclo[4.2.0]octadiene Valence Tautomeric Equibrium. A Study of Substituent Effects and an Attempted Synthesis of Azetes (Azacyclobutadienes)," J. Org. Chem., 36, 435 (1971).

148. L. A. Paquette and J. F. Kelly, "Neighboring Group Participation by Sulfonamide Nitrogen. The 7-Azabicyclo[4.2.0]oct-3-ene to 6-Azabicyclo[3.2.1]oct-2-ene Rearrangement," J. Org. Chem., 36, 442 (1971).

149. L. A. Paquette and R. W. Houser, "α-Halo Sulfones. XV. Thermal Rearrangement of the Ketals of 2-Chloro-3-thietanone 1,1-Dioxide," J. Am. Chem. Soc., 93, 944 (1971).

150. L. A. Paquette and R. W. Houser, "α-Chlorodicyclopropyl Sulfone. Its Synthesis and Behavior Toward Bases," J. Org. Chem., 36, 1015 (1971).

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151. L. A. Paquette and J. C. Stowell, "Silver(I) Ion Catalyzed Rearrangement of Strained σ Bonds. III. The Synthesis and Degenerate Thermal Valence Isomerization of Pentacyclo[3.3.2.02,403,706,8]dec-9-ene (Snoutene)," J. Am. Chem. Soc., 93, 2459 (1971).

152. L. A. Paquette, J. P. Freeman, and M. J. Wyvratt, "Configurational Stabilities of Strained α- Sulfonyl Carbanions. Kinetics of Base-Catalyzed Racemization and Deuterium Exchange of Representative Thiete and Thietane Dioxides," J. Am. Chem. Soc., 93, 3216 (1971).

153. L. A. Paquette and T. M. McCreadie, "Unsaturated Heterocyclic Systems. LXXIX. The Alkali Metal Reduction of Oxepins," J. Org. Chem., 36, 1402 (1971).

154. L. A. Paquette, J. P. Freeman, and S. Maiorana, "Asymmetric Induction in the Sulfene- Enamine Condensation Reaction. The Transition State Geometry of Such (2+2) Cycloadditions," Tetrahedron, 27, 2599 (1971).

155. L. A. Paquette and S. Maiorana, "C-C Bond Cleavage Reactions of Episulfones. A Convenient New Synthesis of Thiepin 1,1-Dioxide," Chem. Commun., 313 (1971).

156. L. A. Paquette, R. E. Wingard, Jr., J. C. Philips, G. L. Thompson, L. K. Read, and J. Clardy, "α-Halo Sulfones. XVII. Directive Effects in the Chlorination of Thiapropellanes," J. Am. Chem. Soc., 93, 4508 (1971).

157. L. A. Paquette, J. C. Philips, and R. E. Wingard, Jr., "α-Halo Sulfones. XVIII. The Ramberg-Bäcklund Rearrangement as a Synthetic Entry to Unsaturated Propellanes," J. Am. Chem. Soc., 93, 4516 (1971).

158. L. A. Paquette and R. W. Houser, "[4.2.2]Propella-3,7-diene," J. Am. Chem. Soc., 93, 4522 (1971).

159. L. A. Paquette, S. E. Wilson, and R. P. Henzel, "Silver(I) Ion Catalyzed Rearrangements of Strained σ Bonds. V. Stereochemical and Kinetic Analysis of the Isomerization of Bicyclo[1.1.0]butanes," J. Am. Chem. Soc., 93, 1288 (1971).

160. L. A. Paquette, "Catalysis of Symmetry-Disallowed Strained σ Bond Rearrangements by Silver(I) Ion," Accounts Chem. Res., 4, 280 (1971).

161. L. A. Paquette, R. E. Wingard, Jr., and R. H. Meisinger, "Novel Structural Rearrangements Attending the Dehydrohalogenation of Unsaturated Cyclic α-Halo Sulfones. The Synthesis of 9-Thiabicyclo[4.2.1]nona-2,4,7-triene 9,9-Dioxides," J. Am. Chem. Soc., 93, 1047 (1971).

162. L. A. Paquette, G. R. Allen, Jr., and M. J. Broadhurst, "Addition Reactions of the Uniparticulate Electrophile Chlorosulfonyl Isocyanate to Highly Strained Bicyclic Hydrocarbons," J. Am. Chem. Soc., 93, 4503 (1971).

163. L. A. Paquette, R. S. Beckley, and T. McCreadie, "Stereochemical and Ring Strain Consequences in the Silver(I) Ion Catalyzed Rearrangement of seco-Cubane Derivatives," Tetrahedron Lett., 775 (1971).

164. L. A. Paquette and L. M. Leichter, "Synthesis and Thermal Rearrangment of Tricyclo[3.2.0.02,4]hept-6-enes. An Analysis of Structural Requirements for Effective Intramolecular Trapping of a 1,3-Diradical by a Remote Cyclobutene Ring," J. Am. Chem. Soc., 93, 5128 (1971).

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165. L. A. Paquette, R. P. Hanzel, and S. E. Wilson, "Silver(I) Ion Catalyzed Rearrangements of Strained σ Bonds. VII. Evidence for the Intervention of Argento Carbonium Ions in Bicyclo[1.1.0]butane Isomerizations," J. Am. Chem. Soc., 93, 2335 (1971).

166. L. A. Paquette and J. C. Stowell, "Synthesis and Interconversion of (CH)12 Hydrocarbons," J. Am. Chem. Soc., 93, 5735 (1971).

167. L. A. Paquette, M. R. Short, and J. F. Kelly, "Stretched Benzene. A Kinetic Analysis of Possible Pseudoaromaticity Resulting from (2+2+1+1) Partitioning of a Neutral Six-Orbital Six-Electron System," J. Am. Chem. Soc., 93, 7179 (1971).

168. L. A. Paquette, "Silver(I) Ion Catalysis of Benzyne Cycloadditions," Chem. Commun., 1076 (1971).

169. L. A. Paquette and L. M. Liechter, "Pyrolysis of anti-Tricyclo[3.2.0.02,4]heptanes. The Role of 2,4-Substitution on the Operation of σ-Bond Assisted Cyclobutane Fragmentations," J. Am. Chem. Soc., 93, 4922 (1971).

170. L. A. Paquette and G. L. Thompson, "Competitive Bond Rotation and Bond Scission Processes in Semi-Stabilized 1,4-Diradicals. The Thermal Fragmentation of [4.4.2]Propella- 2,4-dienes," J. Am. Chem. Soc., 93, 4920 (1971).

171. L. A. Paquette and S. E. Wilson, "Silver(I) Ion Catalyzed Rearrangements of Strained σ Bonds. VIII. Deuterium Isotope Effects in the Bond Reorganizations of Tricyclo[4.1.0.02,7]heptanes," J. Am. Chem. Soc., 93, 5934 (1971).

172. L. A. Paquette and M. J. Epstein, "The cis-Bicyclo[5.2.0]nona-2,5,8-triene to cis- Bicyclo[6.1.0]nona-2,4,6-triene Rearrangement. Elucidation of the Relative Efficiencies of syn-Disposed Cyclopropane and Cyclobutene Ring Cleavages during Azo Decomposition," J. Am. Chem. Soc., 93, 5936 (1971).

173. L. A. Paquette, "The Degenerate Thermal Rearrangement of cis-9,10-Dihydronaphthalene," J. Am. Chem. Soc., 93, 7110 (1971).

174. L. A. Paquette, G. R. Krow, and T. J. Barton, "3-Methoxy-4-Azatricyclo[3.3.2.02,8]deca- 3,6,9-triene," Organic Photochemical Syntheses, 1, 67 (1971).

1972

175. L. A. Paquette, R. J. Haluska, M. R. Short, L. K. Read, and J. Clardy, "The Cycloaddition of Azides to Hexamethyl (Dewar benzene)," J. Am. Chem. Soc., 94, 529 (1972).

176. L. A. Paquette and R. J. Haluska, "Thermolysis of 1,2,3,4,5,6-Hexamethyl-7-phenyl-7,8,9- triazatricyclo[4.3.0.02,5]nona-3,8-diene. Synthetic Entry to the 1,2,3-Triazonin Ring System," J. Am. Chem. Soc., 94, 534 (1972).

177. L. A. Paquette and G. H. Birnberg, "5-Dibenzosemibullvalenylcarbinyl Carbene and Carbonium Ion. Some Observations on the Fate of Reactive Groups Attached to the Bridgehead Carbon of a Non-Fluxional Semibullvalene," J. Am. Chem. Soc., 94, 164 (1972).

178. L. A. Paquette, M. J. Broadhurst, C. Lee, and J. Clardy, "The Stereochemistry of Uniparticulate Electrophilic Additions to cis-Bicyclo[6.1.0]nonatrienes," J. Am. Chem. Soc., 94, 630 (1972). HETEROCYCLES, Vol. 62, 2004 47

179. L. A. Paquette and M. J. Broadhurst, "Substituent Effects on the Non-Concerted Cycloaddition of Chlorosulfonyl Isocyanate to cis-Bicyclo[6.1.0]nonatrene Derivatives," J. Am. Chem. Soc., 94, 632 (1972).

180. L. B. Anderson and L. A. Paquette, "Electrochemical Investigation of Benzo and sym- Dibenzocyclooctatetraenes," J. Am. Chem. Soc., 94, 4915 (1972).

181. L. A. Paquette, L. B. Anderson, J. F. Hansen, S. A. Lang, Jr., and H. Berk, "Benzo Annelation Effects on Azocine Reactivity. The Chemical and Polarographic Reduction of Severl Mono-, Di-, and Tribenzomethoxyazocines," J. Am. Chem. Soc., 94, 4907 (1972).

182. L. A. Paquette, M. J. Kukla, and J. C. Stowell, "Synthesis and Interconversion of Benzo(CH)10 Hydrocarbons," J. Am. Chem. Soc., 94, 4920 (1972).

183. L. A. Paquette, R. H. Meisinger, and R. E. Wingard, Jr., "The Bishomoconjugative α-Halo Ketone Rearrangement as a Route to Bicyclo[4.2.1]nonatriene-9-one and Barbaralone Derivatives," J. Am. Chem. Soc., 94, 2155 (1972).

184. J. Clardy, L. K. Read, M. J. Broadhurst, and L. A. Paquette, "The Crystal and Molecular Structure of cis-Bicyclo[6.1.0]nonatriene-Tetracyanoethylene Adducts," J. Am. Chem. Soc., 94, 2904 (1972).

185. L. A. Paquette and M. K. Scott, "Stereochemical Aspects of Ether Oxygen Participation. VI. Acid Promoted Reactions of Medium-Sized cis[n.1.0]Oxabicyclics," J. Am. Chem. Soc. 94, 6751 (1972).

186. L. A. Paquette and M. K. Scott, "Stereochemical Aspects of Ether Oxygen Participation. VII. The Dichotomous Solvolytic Behavior of 4- and 5-Oxocanyl Derivatives," J. Am. Chem. Soc. 94, 6760 (1972).

187. L. A. Paquette and L. M. Leichter, "Regio- and Stereo-Selective Methyl Migrations in Silver(I)-Promoted Rearrangements of Tricyclo[3.2.0.02,4]heptanes," J. Am. Chem. Soc., 94, 3653 (1972).

188. L. A. Paquette and R. E. Wingard, Jr., "Pyrolytic Conversion of Bicyclo[4.2.0]octatrienes to Cyclooctatetraenes. The Tetracyclo[4.2.0.02,8.05,7]octene Pathway of Thermal Bond Reorganization," J. Am. Chem. Soc., 94, 4398 (1972).

189. L. A. Paquette, R. E. Wingard, Jr., and R. K. Russell, "Structural Consequencs of 2,8- Bridging of the Semibullvalene Nucleus," J. Am. Chem. Soc., 94, 4739 (1972).

190. L. A. Paquette and G. L. Thompson, "Functionalization Reactions of [4.4.2]Propella-3,11- diene," J. Am. Chem. Soc., 94, 7188 (1972).

191. L. A. Paquette and G. L. Thompson, "Stereochemical Features of the Thermal and Photochemical Fragmentations of [4.4.2]Propella-2,4-dienes," J. Am. Chem. Soc., 94, 7127 (1972).

192. L. A. Paquette and G. Zon, "Ag(I)-Assistend Methoxyl Group Ionization. Some Mechanistic and Synthetic Considerations Derived from the Behavior of endo-2- Methoxytricyclo[4.1.0.03,7]heptanes," J. Am. Chem. Soc., 94, 5096 (1972).

193. L. A. Paquette, S. A. Lang, Jr., S. K. Porter, and J. Clardy, "Hydration of Hexamethyl (Dewar benzene) Oxide. Stereochemical Aspects of the Resulting Rearrangement," Tetrahedron Lett., 3137 (1972).

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194. L. A. Paquette, S. A. Lang, Jr., M. R. Short, B. Parkinson, and J. Clardy, "Stereochemistry of the Stereoselective Epoxidation and Hydroboration of Hexamethyl (Dewar benzene)," Tetrahedron Lett., 3141 (1972).

195. L. A. Paquette, I. R. Dunkin, J. P. Freeman, and P. C. Storm, "Stereochemical Aspects of Ether Oxygen Participation. VIII. Kinetic, Polarimetric, and Deuterium Isotope Effect Analysis of Oxygen Lone Pair Involvement During Solvolysis of 8-Oxabicyclo[3.2.1]octan-2- yl Derivatives," J. Am. Chem. Soc., 94, 8124 (1972).

196. L. A. Paquette, S. E. Wilson, R. P. Hanzel, and G. R. Allen, Jr., "The Effect of Methyl Substitution on the Competitive Rearrangements of Tricyclo[4.1.0.02,7]heptanes by Silver(I) Ion. Product and Kinetic Considerations," J. Am. Chem. Soc., 94, 7761 (1972).

197. L. A. Paquette, S. E. Wilson, and R. P. Henzel, "Mechanistic Aspects of the Ag(I) Promoted Rearrangements of Tricyclo[4.1.0.02,7]heptane Derivatives. Deuterium Isotope Effect Studies and Independent Generation of Argento Carbonium Ions," J. Am. Chem. Soc., 94, 7771 (1972).

198. L. A. Paquette, R. P. Henzel, and S. E. Wilson, "The Influence of Structural Features on the Course of Bicyclo[1.1.0]butane Rearrangements Catalyzed by Silver(I) Ions," J. Am. Chem. Soc., 94, 7780 (1972).

199. L. A. Paquette and J. S. Ward, "A Convenient Synthesis of Homocubane-4-carboxylic Acid," J. Org. Chem., 37, 3569 (1972).

200. L. A. Paquette, "Synthetic and Mechanistic Applications of Functionalized Small Ring Sulfones," Int. J. Sulfur Chem., C, 7, 73 (1972).

201. L. A. Paquette and M. J. Kukla, "Degenerate Thermal Rearrangement of Tricyclo[5.3.0.04,8]deca-2,5,9-triene (Lumibullvalene)," J. Am. Chem. Soc., 94, 6874 (1972).

202. L. A. Paquette and S. E. Wilson, "Proton Magnetic Resonance Spectra of Selected 2- Norcarene Derivatives," J. Org. Chem., 37, 3849 (1972).

203. S. J. Cristol, G. C. Schloemer, D. R. James, and L. A. Paquete, "Rearrangements Attending Attempts to Form the 1-Dibenzosemivullvalenylcarbinyl (1-Dibenzotricyclo[3.3.0.02,8]- octadienylcarbinyl) Cation," J. Org. Chem., 37, 3852 (1972).

204. L. A. Paquette and J. S. Ward, "Reversible Complex Formation and Kinetic Substituent Effects in the Silver(I) Ion Induced Bond Reorganization of Homocubanes," Tetrahedron Lett., 4909 (1972).

205. L. A. Paquette, R. S. Beckley, D. Truesdell, and J. Clardy, "Substituent Control of Stereochemistry in the Rearrangements of 1,8-Bishomocubanes Catalyzed by Silver(I) Ion," Tetrahedron Lett., 4913 (1972).

206. L. A. Paquette, S. E. Wilson, G. Zon, and J. A. Schwartz, "Evidence for Autocatalysis in the Ag(I) Promoted Reactions of Bicyclobutanes with Methanol," J. Am. Chem. Soc., 94, 9222 (1972).

207. L. A. Paquette and K. Fuhr, "Intermolecular Epoxide Cleavage by Dissolving Metal Reduction of Proximal Cyclopropane Rings," J. Am. Chem. Soc., 94, 9221 (1972).

208. L. A. Paquette, R. H. Meisinger, and R. E. Wingard, Jr., "Degenerate Rearrangement and Isomerization of Disubstituted Cyclooctatetraenes under Conditions of Thermal Activation," J. Am. Chem. Soc., 94, 9224 (1972).

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1973

209. R. Gleiter, E. Heilbronner, L. A. Paquette, G. L. Thompson, and R. E Wingard, Jr., "Photoelectron Spectra of Polyunsaturated [4.4.2]Propellanes," Tetrahedron, 29, 565 (1973).

210. L. A. Paquette, "Metal Catalyzed Reactions in Strained Ring Systems," MTP International Review of Science, Series One, Vol. 5, 127 (1973).

211. D. J. Pasto, A. F. Chen, G. Ciurdaru, and L. A. Paquette, "Uniparticulate Electrophilic Addition to Alkenylidenecyclopropanes," J. Org. Chem., 38, 1015 (1973).

212. L. B. Anderson, M. J. Broadhurst, and L. A. Paquette, "Electrochemical Reduction Studies of Several Bicyclo[6.1.0]nona-2,4,5-trienes and of cis-Bicyclo[6.2.0]deca-2,4,6-triene. Search for a Polarographic Criterion of Homoaromaticity," J. Am. Chem. Soc., 95, 2198 (1973).

213. L. G. Greifenstein, J. B. Lambert, M. J. Broadhurst, and L. A. Paquette, "The Cope Rearrangement of 9-Methylenebarbaralane. A Complete Lineshape Analysis," J. Org. Chem., 38, 1210 (1973).

214. L. A. Paquette, R. H. Meisinger, and R. E. Wingard, Jr., "The Bishomoconjugative Rearrangement Pathway. Structural Bond Relocation Attending the Dehydrohalogenation of Unsaturated Cyclic α-Halo Ketones and Sulfone," J. Am. Chem. Soc., 95, 2230 (1973).

215. L. A. Paquette, G. H. Birnberg, J. Clardy, and B. Parkinson, "Stereoselective 1,4- Bromination of Semibullvalene and Tri-n-butyltin Hydride Reduction of the Dibromide," Chem. Commun., 129 (1973).

216. E. Wenkert, E. W. Hagaman, L. A. Paquette, R. E. Wingard, Jr., and R. K. Russell, "Carbon-13 Nuclear Magnetic Resonance Spectral Analysis of Semibullvalene and Related Substances," Chem. Commun., 135 (1973).

217. L. A. Paquette and M. J. Broadhurst, "Reactivity of Bicyclo[4.2.2] deca-2,4,7,9-tetraene Derivatives under Conditions of Uniparticulate Electrophilic Addition. The Intramolecular Capture of Zwitterionic Bridged 1,4-Bishomotropylium (Bicyclo [4.3.1]deca-2,4,7-trienyl) Intermediates," J. Org. Chem., 38, 1886 (1973).

218. L. A. Paquette and M. J. Broadhurst, "Uniparticulate Electrophilic Addition as a Probe of Possible Bicycloaromatic and Antibicycloaromatic Carbonium Ion Character. Reactions of Chlorosulfonyl Isocyanate with Exocyclic Methylene Precursors to Such Cations," J. Org. Chem., 38, 1893 (1973).

219. L. A. Paquette, G. L. Thompson, "On the Absence of Significant Remote π-Bond Effects During Solvolysis of Epimeric Annelated 7-Cycloheptatrienylmethyl 3,5-Dinitrobenzoates," J. Am. Chem. Soc., 95, 2364 (1973).

220. L. A. Paquette and M. J. Kukla, "Pyrolysis of Stereotopically Twisted Cyclobutane Rings. Stereochemistry of the Thermal Cleavage of Isomeric 5,6-Dimethylbicyclo[2.1.1]hexanes to 2,6-Octadienes," Tetrahedron Lett., 1241 (1973).

221. L. A. Paquette, M. J. Broadhurst, P. Warner, G. A. Olah, and G. Liang, "Protonation of cis- Bicyclo[6.1.0]nona-2,4,6-trienes in Superacidic Media. Cmr Study of the Mono- and 1,3- Bishomotropylium Ions Under Long Life Conditions," J. Am. Chem. Soc., 95, 3386 (1973).

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222. L. A. Paquette and K. A. Henzel, "[8]Annulene as a Neighboring Group. I. Multiple Rearrangement Attending the Solvolysis of Cyclooctatetraenylcarbinyl Chlorides," J. Am. Chem. Soc., 95, 2724 (1973).

223. L. A. Paquette and K. A. Henzel, "[8]Annulene as a Neighboring Group. II. Response of the Cyclooctatetraene Ring to Homoallylic Electron Deficiency," J. Am. Chem. Soc., 95, 2726 (1973).

224. L. A. Paquette, M. J. Broadhurst, L. K. Read, and J. Clardy, "Conformational and Stereochemical Consequences of Uniparticulate Electrophilic Additions to cis-Bicyclo[6.1.0] nonatrienes. Reactions with Tetracyanoethylene, " J. Am. Chem. Soc., 95, 4639 (1973).

225. L. A. Paquette, M. J. Broadhurst, C. Lee, and J. Clardy, "Stereochemical and Substituent Effects in Chlorosulfonyl Isocyanate Additions to cis-Bicyclo[6.1.0]nonatrienes," J. Am. Chem. Soc., 95, 4647 (1973).

226. L. A. Paquette, R. K. Russell, and R. E. Wingard, Jr., "The Thermochemical Behavior of Semibullvalenes. Annulation Effects on the Course of Rearrangement," Tetrahedron Lett., 1713 (1973).

227. L. A. Paquette and I. R. Dunkin, "Bridgehead Oxygen Substitution as a Potent Probing Tool for Evaluating exo/endo Rate Ratios and σ/π Participation. Acetolysis of the Epimeric Benzo-7-oxabicyclo[2.2.1]hepten-2-yl Brosylates" J. Am. Chem. Soc., 95, 3067 (1973).

228. G. P. Ceasar, J. Green, L. A. Paquette, and R. E. Wingard, Jr., "Orbital Interactions in 2a,8b-Dihydrocyclopent[cd]azulene," Tetrahedron Lett., 1721 (1973).

229. L. A. Paquette and M. J. Kukla, "[CH]12 Hydrocarbons. A Directed Synthesis of Pentacyclo[6.4.0.06,11.07,9.010,12]dodeca-2,4-diene," Chem. Commun, 409 (1973).

230. G. Zon and L. A. Paquette, "Stereospecificity, Regioselectivity, and Kinetic Deuterium Isotope Effects in the Ag(I)-Catalyzed Isomerizations of 1-Methyltricyclo[4.1.0.02,7]heptanes to Bicyclo[3.2.0]hept-6-enes," J. Am. Chem. Soc., 95, 4456 (1973).

231. L. A. Paquette, G. V. Meehan, R. P. Henzel, and R. F. Eizember, "The Photochemistry of Conjugated cis-Bicyclo[5.1.0]octenones, cis- and trans-Bicyclo[5.2.0]non-2-en-4-ones, and Their Methylene Analogs," J. Org. Chem., 38, 3250 (1973).

232. L. A. Paquette, R. P. Henzel, and R. F. Eizember, "Thermochemical Behavior of Conjugated cis-Bicyclo[5.1.0]octenones, cis- and trans-Bicyclo[5.2.0]non-2-en-4-ones, and Their Methylene Analogs," J. Org. Chem., 38, 3257 (1973).

233. L. A. Paquette, R. H. Meisinger, and R. Gleiter "Bisdeprotonation of Bridged Bicyclic Sulfones. Electronic Interactions in Rigid Bridgehead α-Sulfonyl Dicarbanions as a Function of Carbon Framework Unsaturation," J. Am. Chem. Soc., 95, 5414 (1973).

234. R. K. Russell, L. A. Paquette, L. G. Greifenstein, and J. B. Lambert, "Population Analysis of 2,8-Pentamethylenesemibullvalene. Direct Observation of Individual Nondegenerate Valence Isomers," Tetrahedron Lett., 2855 (1973).

235. L. A. Paquette, S. V. Ley, M. J. Broadhurst, D. Truesdell, J. Fayos, and J. Clardy, "Mechanistic Dichotomy in Cycloadditions to Cyclooctatetraeneiron Tricarbonyl. X-Ray Crystal Structure Analysis of the TCNE and CSI Adducts" Tetrahedron Lett., 2943 (1973).

HETEROCYCLES, Vol. 62, 2004 51

236. L. A. Paquette and M. J. Epstein, "Assessment of the Relative Efficiencies of Syn-Disposed Cyclopropane, Cyclobutane, and Cyclobutene Ring Participation in the Photolysis of Azo Compounds. Kinetic Analysis of a cis-Bicyclo[5.2.0]nona-2,5,8-triene to cis- Bicyclo[6.1.0]nona-2,4,6-triene Rearrangement," J. Am. Chem. Soc., 95, 6717 (1973).

237. L. A. Paquette, O. Cox, M. Oku, R. P. Henzel, and J. A. Schwartz, J. A, "Solvolytic Studies of Stereoisomeric Tricyclo[4.2.0.02,4]octan-5-yl Derivatives. Conformationally Distinguishable Cyclopropylcarbinyl Cations and the Reactivity Consequences of Differing Orbital Alignments," Tetrahedron Lett., 3295 (1973).

1974

238. L. A. Paquette, K. H. Fuhr, S. Porter, and J. Clardy, "Dissolving Metal Reduction of anti- Tricyclo[3.2.0.02,4]heptanes and anti-Tricyclo[3.3.0.02,4]octanes. Intramolecular Epoxide Cleavage as a Route to Highly Strained Tricyclic Alcohols," J. Org. Chem., 39, 467 (1974).

239. L. A. Paquette and G. Zon, "Substituent Effects on the Generation, Structural Rearrangement, and Deargentation of Argento Carbonium Ions. A Kinetic and Product Study of the 2.7 Silver(I)-Catalyzed Isomerization of C1-Functionalized Tricyclo[4.1.0.0 ]heptanes," J. Am. Chem. Soc., 96, 203 (1974).

240. G. Zon and L. A. Paquette, "Stereospecificity and Regioselectivity Attending Type γ Rearrangement of 1,3-Disubstituted Tricyclo[4.1.0.02,7]heptanes under Conditions of Ag(I) Catalysis," J. Am. Chem. Soc, 96, 215 (1974).

241. L. A. Paquette and G. Zon, "Kinetic Deuterium Isotope and Electronic Effects in the Silver(I)- Promoted Type γ Isomerization of 1-Alkyltricyclo[4.1.0.02,7]heptanes. Mechanistic Analysis of the Formation of Bicyclo[3.2.0]hept-6-enes," J. Am. Chem. Soc., 96, 224 (1974).

242. L. A. Paquette and L. M. Leichter, "Thermally Promoted Cleavage Reactions of anti- Tricyclo[3.2.0.02,4]heptanes. Influence of 2,4 Substitution on Competitive Bond Scission Processes," J. Org. Chem., 39, 461 (1974).

243. L. A. Paquette, S. V. Ley, and W. B. Farnham, "An Efficient Synthesis of (-)-Triquinacene-2- carboxylic Acid," J. Am. Chem. Soc., 96, 312 (1974).

244. L. Paquette and I. R. Dunkin, "Kinetic Evidence Attesting to the Absence of Enhanced Anchimeric Assistance During Solvolytic Generation of Unsymmetrical (2 + 2 + 0) Laticyclic Cations," J. Am. Chem. Soc., 96, 1220 (1974).

245. L. A. Paquette and M. Oku, "Hierarchy of Orbital Symmetry Allowed Pathways in the Thermal Skeletal Rearrangements of a Structurally Unconstrained Cyclooctatetraene," J. Am. Chem. Soc., 96, 1219 (1974).

246. L. A. Paquette, J. M. Photis, J. Fayos, and J. Clardy, "Transition Metal-Promoted Redirection of the Thermal Bishomoconjugative Bond Reorganization Pathway of Unsaturated Propellanes," J. Am. Chem. Soc., 96, 1217 (1974).

247. G. L. Thompson, W. E. Heyd, and L. A. Paquette, "Solvolytic Studies of Unsaturated 11- Hydroxymethylbicyclo[4.4.1]undecane 3,5-Dinitrobenzoates. Valence Isomerization Leading to Conformationally Distinguishable Annulated Norcaradienylcarbinyl Cations and the Question of Remote pπ Stabilization of Such σ-Delocalized Systems," J. Am. Chem. Soc., 96, 3177 (1974). 52 HETEROCYCLES, Vol. 62, 2004

248. G. Zon and L. A. Paquette, "Mechanistic and Synthetic Applications of Silver(I)-Promoted Alkoxyl Group Ionization Processes. An Evaluation of Cyclopropylcarbinyl and Benzhydryl Ethers," J. Am. Chem. Soc., 96, 5478 (1974).

249. L. A. Paquette, R. F. Davis, and D. R. James, "A Simple Route from Cyclopentadiene to Hypostrophene," Tetrahedron Lett., 1615 (1974).

250. L. A. Paquette and M. J. Wyvratt, "Domino Diels-Alder Reactions. I. Applications to the Rapid Construction of Polyfused Cyclopentanoid Systems," J. Am. Chem. Soc., 96, 4671 (1974).

251. S. V. Ley and L. A. Paquette, "Alkali Metal Reduction Studies of cis- and trans- Bicyclo[6.1.0]nona-2,4,6-trienes in Liquid Ammonia. Evidence for the High Basicity of Monohomocyclooctatetraene Dianions," J. Am. Chem. Soc., 96, 6670 (1974).

252. L. A. Paquette, "New Delights from an Old Polyolefin: A Return to the Chemistry of Cyclooctatetraene," Proc. N. Y. Acad. Sci., 36, 357 (1974).

253. L. A. Paquette, O. Cox, M. Oku, and R. P. Henzel, "Solvolytic Studies of Tricyclo[4.2.0.02,4]octan-5-yl Derivatives. The Effect of Cyclopropane and Cyclobutane Orbital Alignments on Reactivity and Proclivity for Rearrangement," J. Am. Chem. Soc., 96, 4892 (1974).

254. P. Bischof, R. Gleiter, M. J. Kukla, and L. A. Paquette, "The Photoelectron Spectra of Tricyclo[3.3.0.02,6]octene and Tricyclo[3.3.0.02,6]octane," J. Electron Spectroscopy and Related Phenomena, 4, 177 (1974).

255. W. E. Volz, L. A. Paquette, R. J. Rogido, and T. J. Barton, "Reaction of Bicyclo[2.1.0]pentane and 1,3-Dimethylbicyclo[1.1.0]butane with Chlorosulfonyl Isocyanate," Chem. Ind. (London), 771 (1974).

256. L. A. Paquette, G. Zon, and R. T. Taylor, "Substituent Effects on the Regioselectivity of C-H Insertion Arising During Stereospecific Intramolecular Cyclization of 7-Norcaranylidenes," J. Org. Chem., 39, 2677 (1974).

257. M. J. Wyvratt and L. A. Paquette, "Domino Diels-Alder Reactions. II. A Four-Step Conversion of Cyclopentadienide to Triquinacene" Tetrahedron Lett., 2433 (1974).

258. L. A. Paquette, R. E. Wingard, Jr., and J. M. Photis, "Perpendicularly Oriented π Systems. Thermal Activation of Annulated Bicyclo[4.2.0]octatrienes and Establishment of the Tetracyclo[4.2.0.02,8.05,7]octene Pathway of Bond Relocation," J. Am. Chem. Soc., 96, 5801 (1974).

259. L. A. Paquette, S. V. Ley, R. H. Meisinger, R. K. Russell, and M. Oku, "Directed Syntheses of the Isomeric Dimethylcyclooctatetraenes and a Study of Their Polarographic and Alkali Metal Reduction," J. Am. Chem. Soc., 96, 5806 (1974).

260. L. A. Paquette, M. Oku, W. E. Heyd, and R. H. Meisinger "Thermally Induced Degenerate Skeletal Rearrangement and Isomerization Reactions of Cyclooctatetraenes," J. Am. Chem. Soc., 96, 5815 (1974).

261. J. M. Photis and L. A. Paquette, "Lithium Aluminum Hydride Promoted Ring Contraction of Cyclic Five-Membered α-Sulfonyl Carbanions and Its Application to the Synthesis of 1,2- Dialkylcyclobutenes," J. Am. Chem. Soc., 96, 4715 (1974).

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262. L. A. Paquette, D. R. James, and G. H. Birnberg, "Direct and Indirect Trapping of Isomeric Bicyclo[4.2.0]octadienes with Triazolinediones. Photocyclization and Ag(I) Catalyzed Rearrangement of the Derived Adducts as a Route to Functionalized 9,10-Diazasnoutanes," J. Am. Chem. Soc., 96, 7454 (1974).

263. D. R. James, G. H. Birnberg, and L. A. Paquette, "Cheletropic σ2s + σ2s + σ2s Ejection of Nitrogen from 9,10-Diazasnoutenes as a Route to Monofunctionalized Semibullvalenes. Ground State Substituent Effects on Equilibrium Displacements," J. Am. Chem. Soc., 96, 7465 (1974).

264. R. E. Wingard, Jr., R. K. Russell, and L. A. Paquette, "Equilibrium Imbalances Arising from 2,8-Bridging by Aliphatic Chain of the Semibullvalene Nucleus," J. Am. Chem. Soc., 96, 7474 (1974).

265. R. K. Russell, R. E. Wingard, Jr., and L. A. Paquette, "Isomerization Behavior of 2,8- Tetramethylenesemibullvalene under Thermal, Photochemical, and Metal Catalyzed Conditions. An Excited State Semibullvalene-Semibullvalene Rearrangement," J. Am. Chem. Soc., 96, 7483 (1974).

266. L. A. Paquette, D. R. James, and G. H. Birnberg, "Equilibrium Displacements Resulting from Substitution of the Semibullvalene Nucleus," JCS Chem. Commun., 722 (1974).

267. L. A. Paquette, W. Kitching, W. E. Heyd, and R. H. Meisinger, "The Cycloctatetraene- Bicyclo[4.2.0]octatriene Equilibrium. A Striking Gradation in Secondary Deuterium Isotope Effects During Diels-Alder Reactions of Monosubstituted Derivatives," J. Am. Chem. Soc., 96, 7371 (1974).

1975

268. P. Bischof, D. Bosse, R. Gleiter, M. J. Kukla, A. deMeijere, and L. A. Paquette, "Zür Frage der Homokonjugation in Triquinacene und Tricyclo[7.2.1.06,12]dodeca-2,4,7-tetraen. Photoelektronespektroskopische Untersuchungen," Chem. Ber., 108, 1218 (1975).

269. L. A. Paquette and R. S. Beckley, "The Silver(I)-Catalyzed Valence Isomerization of Substituted 1,8-Bishomocubanes. Stereochemical Aspects," J. Am. Chem. Soc., 97, 1084 (1975).

270. L. A. Paquette, R. S. Beckley, and W. B. Farnham, "Kinetic Analysis of the Silver(I)- Catalyzed 1,8-Bishomocubane - Snoutane Rearrangement," J. Am. Chem. Soc., 97, 1089 (1975).

271. L. A. Paquette, J. S. Ward, R. A. Boggs, and W. B. Farnham, "The Valence Isomerization of Homocubanes. Reversible Complex Formation and Kinetic Substituent Effects Operating During Silver(I)-Induced Bond Reorganization," J. Am. Chem. Soc., 97, 1101 (1975).

272. L. A. Paquette, R. A. Boggs, W. B. Farnham, and R. S. Beckley, "The Influence of Structural Features on the Course of Transition Metal Catalyzed 1,8-Bishomocubane Rearrangements," J. Am. Chem. Soc., 97, 1112 (1975).

273. L. A. Paquette, R. A. Boggs, and J. S. Ward, "Rhodium(I)- and Palladium(II)-Promoted Rearrangements of Homocubanes. A Comparison of Kinetic Reactivity and Product Distribution with Substituent Alteration," J. Am. Chem. Soc., 97, 1118 (1975).

54 HETEROCYCLES, Vol. 62, 2004

274. L. A. Paquette, M. Oku, W. B. Farnham, G. A. Olah, and G. Liang, "Protonation in Superacid Solution of Selected Exo-Methylene Polyunsaturated Alicyclics. Monomethyl 1,3 Bishomotropylium, Bicyclo[3.2.2]nonatrienyl, and Norbornadienyl Cations," J. Org. Chem., 40, 700 (1975).

275. L. A. Paquette, H. C. Berk, and S. V. Ley, "Nitrogen Analogs of 1,6-Methano[12]Annulene. Effect on Valence Tautomerism of the Locus of Aza Substitution," J. Org. Chem., 40, 902 (1975).

276. L. A. Paquette and I. R. Dunkin, "Solvolysis of Sterically Compressed 7-Norbornenyl 3,5- Dinitrobenzoates. Evidence for the Absence of Enhanced Ionic Stabilization in Unsymmetrical (2 + 2 + 0) Laticyclic Cations," J. Am. Chem. Soc., 97, 2243 (1975).

277. L. A. Paquette, U. Jacobsson, and M. Oku, "Direct 1,5-Cycloaddition of Sulfur Dioxide to Cyclooctatetraene. 9-Thiabarbaralane 9,9-Dioxide," JCS Chem. Commun., 115 (1975).

278. L. A. Paquette, "Preparative Aspects of Silver Ion-Catalyzed Rearrangements of Polycyclic Systems," Synthesis, 347 (1975).

279. W. Kitching, K. A. Henze, and L. A. Paquette, "Neighboring Group Properties of Cyclooctatetraene. Hydrolysis Rate and Mechanism of Ring Contraction of the Chloromethyl Derivative" J. Am. Chem. Soc. 97, 4643 (1975).

280. L. A. Paquette and K. A. Henzel, "Buffered Acetolyses of β-Cyclooctatetraenylethyl Brosylates. Isomerization to Tetrahydroazulenoid Products in Response to Homoallylic Electron Deficiency," J. Am. Chem. Soc. 97, 4649 (1975).

281. L. A. Paquette, S. V. Ley, S. Maiorana, D. F Schneider, M. J. Broadhurst, and R. A. Boggs, "Tetracyanoethylene Addition to Iron Tricarbonyl Complexes of Substituted Cyclooctatetraenes. Regioselectivity Considerations During Formation of the 2,3,4,10-Tetrahapto Adducts," J. Am. Chem. Soc. 97, 4658 (1975).

282. L. A. Paquette and J. M Photis, "Appraisal of Migratory Aptitudes in the Mo(CO)6-Promoted Bond Relocation of [4.4.2]Propella-2,4,11-trienes," Tetrahedron Lett., 1145 (1975).

283. L. A. Paquette and G. H. Birnberg, "A Study of the Response of Bullvalenylcarbinyl p- Anisoate to Solvolysis and of Bullvalenyldiazomethane to Thermal Activation," J. Org. Chem., 40, 1709 (1975).

284. L. A. Paquette, W. E. Volz, M. A. Beno, and G. Christoph, "1(5)-Cyanosemibullvalene from Barrelene. Spectral and Crystal Structure Analysis of the Marked Equilibrium Preference Exerted by an Efficient π-Electron Acceptor Substituent," J. Am. Chem. Soc. 97, 2562 (1975).

285. L. A. Paquette and M. J. Carmody,"Thermal Isomerization Reactions of cis-9,10- Dihydronaphthalene Derivatives," J. Am. Chem. Soc., 97, 5841 (1975).

286. L. A. Paquette, D. M. Cottrell, R. A. Snow, K. B. Gifkens, and J. Clardy, "Substituent Control of Regiospecific Pathways in Di-π-methane Photorearrangements Which Utilize Benzo-Vinyl Bonding Schemes," J. Am. Chem. Soc., 97, 3275 (1975).

287. L. A. Paquette, J. M. Photis, K. B. Gifkens, and J. Clardy, "Transition Metal Catalyzed Rearrangement of 11,12-Dimethyl[4.4.2]propella-2,4,11-triene as a Route to Stable Cyclooctatetraene Bond Shift Isomers. Implications for [1,5]Sigmatropic Migration Within the Metal Coordination Sphere," J. Am. Chem. Soc., 97, 3536 (1975). HETEROCYCLES, Vol. 62, 2004 55

288. L. A. Paquette, J. M. Photis, and G. D. Ewing, "1,2,3,4-Tetramethylcyclooctatetraene and 1,2,3,8-Tetramethylcyclooctatetraene. Stable [8]Annulene Bond Shift Isomers," J. Am. Chem. Soc., 97, 3538 (1975).

289. R. T. Taylor and L. A. Paquette, "A Facile Conversion of 3-Norcarene to trans- Bishomobenzene," Angew. Chem., 87, 488 (1975); Angew. Chem. Int. Ed. Engl., 14, 496 (1975).

290. L. A. Paquette, R. K. Russell, and R. L. Burson, "Probing of the Interrelationship Between Hetereoatomic Substitution and Equilibrium Imbalance in 2,8-Trimethylenesemibullvalene Derivatives," J. Am. Chem. Soc., 97, 6124 (1975).

291. L. A. Paquette, W. B. Farnham, and S. V. Ley, "Synthesis, Chiroptical Properties, and Absolute Configuration of (+)-2,3-Dihydrotriquinacen-2-one. Effect of Rigid Triquinacene Geometry on the Inherently Dissymmetric Chromophore," J. Am. Chem. Soc., 97, 7273 (1975).

292. L. A. Paquette, I. Itoh, and W. B. Farnham, "meso- and dl-Bivalvane (Pentasecododeca- hedrane). Enantiomer Recognition during Reductive Coupling of Racemic and Chiral 2,3- Dihydro- and Hexahydrotriquinacen-2-ones," J. Am. Chem. Soc., 97, 7280 (1975).

293. G. D. Ewing and L. A. Paquette, "An Efficient Synthesis of 4,5-Benzotropone from o- Xylylene Dibromide," J. Org. Chem., 40, 2965 (1975).

294. L. A. Paquette, "The Renaissance in Cyclooctatetraene Chemistry," Tetrahedron, 31, 2855 (1975).

1976

295. L. A. Paquette and L. M. Leichter, "3,3-Dimethyl-2,4-diphenyltricyclo[3.2.0.02,4]hept-6- ene," Organic Photochemical Syntheses, 2, 52 (1976).

296. L. A. Paquette and R. S. Beckley, "1,2-Dicarbomethoxycyclooctatetraene," Organic Photochemical Syntheses, 2, 45 (1976).

297. L. A. Paquette, U. Jacobsson, and S. V. Ley, "Homotropylium 8-Sulfinate Complexes by SbF5-Promoted Ring Opening of 9-Thiabicyclo[4.2.1]nona-2,4,7-triene and 9-Thiabarbaralane 9,9-Dioxides," J. Am. Chem. Soc., 98, 152 (1976).

298. J. Kalo, J. M. Photis, L. A. Paquette, E. Vogel, and D. Ginsburg, "Propellanes. XXXI. The Diels-Alder Reaction of [4.4.2]Propellanes with 4-Phenyl-1,2,4-triazoline-3,5-dione," Tetrahedron, 32, 1013 (1976).

299. W. E. Volz and L. A. Paquette, "Response of Homo- and Benzohomobarrelenes to Uniparticulate Electrophilic Attack. Effect of a Lateral Cyclopropane Ring on the Direction and Stereochemistry of Chlorosulfonyl Isocyanate Addition," J. Org. Chem., 41, 57 (1976).

300. L. A. Paquette and W. E. Volz, "Chlorocyanation of Barrelenes as a Route to 1- Cyanosemibullvalenes. Convenient Introduction of an Efficient π-Electron Acceptor Substituent and Its Influence on the Cope Equilibrium," J. Am. Chem. Soc., 98, 2910 (1976).

301. L. A. Paquette, G. D. Ewing, and S. G. Traynor, "The Bicyclooctatetraenyl Tetraanion. A Quadruply Charged 20π-Electron Biphenyl Analogue," J. Am. Chem. Soc., 98, 279 (1976). 56 HETEROCYCLES, Vol. 62, 2004

302. G. A. Olah, J. S. Staral, and L. A. Paquette, "Novel Aromatic Systems. III. The 1,3,5,7-Tetramethylcyclooctatetraene Dication, the First 8C-6π Hückeloid System," J. Am. Chem. Soc., 98, 1267 (1976).

303. L. A. Paquette and J. M. Photis, "Bond Fixation in Annulenes. III. The Structural Consequences of Tetra- and Pentamethyl Substitution of the Cyclooctatetraene Ring," J. Am. Chem. Soc., 98, 4936 (1976).

304. L. A. Paquette, C. D. Wright, III, S. G. Traynor, D. L. Taggart, and G. D. Ewing, "Electrochemical and Alkali Metal Reduction Studies of Silicon, Germanium, and Tin Derivatives of Cyclooctatetraene. Properties Conferred to Cyclooctatetraenide Dianions by Group IV Substituents," Tetrahedron, 32, 1885 (1976).

305. E. D. Stevens, J. D. Kramer and L. A. Paquette, "X-Ray Crystal Structure Analysis of Triquinacene at 90˚K", J. Org. Chem., 41, 2266 (1976).

306. G. Klein and L. A. Paquette, "Response of Hypostrophene and Its Monoepoxide to Electrophilic Reagents," Tetrahedron Lett., 2419 (1976).

307. L. A. Paquette, S. V. Ley, S. G. Traynor, J. T. Martin, and J. M. Geckle, "Formation of Monohomocyclooctatetraene Dianions in Liquid Ammonia. Analysis of the Nucleophilic Reactivity of the Cyclononatrienyl Anions Generated Upon Solvent Protonation," J. Am. Chem. Soc., 98, 8162 (1976).

308 L. A. Paquette, D. C. Liotta, and A. D. Baker, "Frontier Molecular Orbital Basis for the 1 Structurally Dependent Regiospecific Reactions of Singlet ( ∆g) Oxygen with Polyolefins," Tetrahedron Lett., 2681 (1976).

309. L. A. Paquette, M. J. Carmody, and J. M. Geckle, "DNMR Analysis of Ring Inversion in anti-1,5-Bishomocyclooctatetraenes," Tetrahedron Lett., 2753 (1976).

310. R. T. Taylor and L. A. Paquette, "Convenient Synthetic Routes to Tricyclo[4.1.0.02,7]hept-3- ene and Its Derivatives," Tetrahedron Lett., 2741 (1976).

311. L. A. Paquette and R. T. Taylor, "Cyclopropylidene-Bicyclo[1.1.0]butane Interactions. The Generation and Intramolecular Rearrangement of Tetracyclo[5.1.0.02,4.03,5]octanylidenes," Tetrahedron Lett., 2745 (1976).

312. L. A. Paquette, I. Itoh, and K. B. Lipkowitz, "Synthesis and Reactivity Patterns of meso- and dl-Bistriquinacene. Efficient Route to the Diastereomeric Bivalvanes," J. Org. Chem., 41, 3524 (1976).

313. G. A. Olah, G. Liang, L. A. Paquette, and W. P. Melega, "Novel Aromatic System. 6. The Bis(tetramethylhomocyclopropenyl) Dication," J. Am. Chem. Soc., 98, 4327 (1976).

314. L. A. Paquette and M. J. Carmody, "Thermally Promoted Ring Cleavage Reactions of Stereoisomeric Tetracyclo[4.3.0.02,5.07,9]non-3-enes, Pentacyclo- [5.3.0.02,6.03,5.08,10]decanes, and Their Epoxide Counterparts," J. Am. Chem. Soc., 98, 8175 (1976).

315. L. A. Paquette, C. C. Liao, D. C. Liotta, and W. E. Fristad, "Reversal of Stereospecificity During Allylic Hydroperoxidation of 3-Norcarene and Bicyclo[4.2.0]oct-3-ene Derivatives Arising from Structurally Enforced Quenching of Singlet Oxygen by the Hydrazide Functionality," J. Am. Chem. Soc., 98, 6412 (1976). HETEROCYCLES, Vol. 62, 2004 57

316. L. A. Paquette, D. C. Liotta, C. C. Liao, T. G. Wallis, N. Eickman, J. Clardy, and R. Gleiter, "Endoperoxidation of Conformationally Fixed Norcaradienes by Singlet Oxygen. Frontier 1 Molecular Orbital Basis for the Operability of O2 Quenching by Hydrazides," J. Am. Chem. Soc., 98, 6413 (1976).

317. J. H. Hammons, C. T. Kresge, and L. A. Paquette, "An Electron Spin Resonance Study of the Radical Anions of Two Dimethylcyclooctatetraenes," J. Am. Chem. Soc., 98, 8172 (1976).

318. L. A. Paquette, W. P. Melega, and J. D. Kramer, "A Method for the Benzoannulation of Ketones," Tetrahedron Lett., 4033 (1976).

319. L. A. Paquette, M. J. Wyvratt, O. Schallner, D. F. Schneider, W. J. Begley, and R. M. Blankenship, "A Functionalized Trisecododecahedrane Having C2 Symmetry," J. Am. Chem. Soc., 98, 6744 (1976).

320. L. A. Paquette, J. M. Gardlik, and J. M. Photis, "Bond Fixation in Annulenes. IV. The Ability of 1,2,3-Trimethylcyclooctatetraene to Support Optical Activity," J. Am. Chem. Soc., 98, 7096 (1976).

321. L. A. Paquette, W. D. Klobucar, and R. A. Snow, "Halothiation as a Method for Oxidation of Primary Halides and Thermal Olefins to Aldehydes," Synth. Commun., 6, 575 (1976).

322. C. Santiago, K. N. Houk, R. A. Snow, and L. A. Paquette, "Bridging Regioselectivity in Triplet Sensitized Di-π-Methane Photorearrangements of Ortho Substituted Benzonorbornadienes. A Case for the Importance of Benzene HOMO and LUMO Polarization," J. Am. Chem. Soc., 98, 7443 (1976).

323. R. A. Snow, C. R. Degenhardt, and L. A. Paquette, "Oxidative Decarboxylation of Vicinal Dicarboxylic Acids as Promoted by Cuprous Oxide in Quinoline," Tetrahedron Lett., 4447 (1976).

1977

324. J. M. Photis and L. A. Paquette, "Preparation of 1,2-Dimethylcyclobutenes by Reductive Ring Contraction of Sulfolanes: cis-7,8-Dimethylbicyclo[4.2.0]oct-7-ene," Organic Synthesis, 57, 53 (1977).

325. L. A. Paquette, "The Ramberg-Backlund Rearrangement," Organic Reactions, 25, 1 (1977).

326. R. Gleiter, P. Bischof, W. E. Volz, and L. A. Paquette, "Conjugative Interaction Between π- and Cyclobutane Orbitals. The Synthesis and Electronic Structure of Bicyclo[4.1.1]octa-2,4- diene," J. Am. Chem. Soc., 99, 8 (1977).

327. M. R. Detty and L. A. Paquette, "Stereocontrolled Synthesis, Conformational Features, and Response to Thermal Activation of the Seven Possible Bis- and Trishomocycloheptatrienes," J. Am. Chem. Soc., 99, 821 (1977).

328. L. A. Paquette and M. R. Detty, "Stereoisomeric Bishomo-3,5-cycloheptadienyl p- Toluenesulfonates as Probes of the Geometric and Conformational Dependence to Long-Range Cyclopropyl Interaction During Acetolysis," J. Am. Chem. Soc., 99, 828 (1977).

329. M. R. Detty and L. A. Paquette, "The Fate of Bishomocycloheptadienyl Cations Generated by Deamination," J. Am. Chem. Soc., 99, 834 (1977).

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330. L. A. Paquette, J. D. Kramer, P. B. Lavrik, and M. J. Wyvratt, "Photoisomerization of Triquinacene Congeners," J. Org. Chem., 42, 503 (1977).

331. R. T. Taylor, C. R. Degenhardt, W. P. Melega, and L. A. Paquette, "Direct Conversion of Ketones to Vinylsilanes, -Germanes, and -Stannanes," Tetrahedron Lett., 159 (1977).

332. M. R. Detty and L. A. Paquette, "The Question of Hexahomobenzene Automerization. New Synthetic Approaches to cis3-1,4,7-Cyclononatriene," Tetrahedron Lett., 347 (1977).

333. G. A. Olah, J. S. Staral, G. Liang, L. A. Paquette, W. P. Melega, and M. J. Carmody, "Novel Aromatic Systems. 8. Cyclooctatetraene Dications," J. Am. Chem. Soc., 99, 3349 (1977).

334. P. F. King and L. A. Paquette, "Efficient Conversion of Cyclic Olefins to 1,3- Cycloalkadienes," Synthesis, 279 (1977).

335. L. A. Paquette, D. M. Cottrell, and R. A. Snow, "Control by Meta Substituents of Benzo- Vinyl Bonding Options During Triplet Sensitized Photorearrangement of Benzonorbornadienes and anti-7,8-Benzotricyclo[4.2.0.02,5]deca-3,7,9-trienes," J. Am. Chem. Soc. 99, 3723 (1977).

336. R. A. Snow, D. M. Cottrell, and L. A. Paquette, "Demonstration and Analysis of Bridging Regioselectivity Operative During Di-π-methane Photorearrangement of Ortho Substituted Benzonorbornadienes and anti-7,8-Benzotricyclo[4.2.2.02,5]deca-3,7,9-trienes," J. Am. Chem. Soc., 99, 3734 (1977).

337. G. G. Christoph, S. Hardwick, U. Jacobsson, Y.-B. Koh, R. Moerck and L. A. Paquette, "Synthesis and Crystal Structure Analysis of 1,5-Disubstituted 9-Thiabarbaralane 9,9- Dioxides," Tetrahedron Lett., 1249 (1977).

338. L. A. Paquette, T. G. Wallis, K. Hirotsu, and J. Clardy, "Stereospecific [3,3] Shift of a Cyclobutene Ring Involving Photofragmentation of a 1,8-Bishomocubane as the Relay," J. Am. Chem. Soc., 99, 2815 (1977).

339. L. A. Paquette, M. J. Kukla, S. V. Ley, and S. G. Traynor, "The Question of Delocalization in "Anchored" Ions with Potential Trishomoaromatic Character. 1. Reduction of Tricyclo[5.4.1.04,12]dodeca-2,5,8,10-tetraene as a Route to the 10π11C Dianion," J. Am. Chem. Soc., 99, 4756 (1977).

340. L. A. Paquette, H. C. Berk, C. R. Degenhardt, and G. D. Ewing, "The Question of Delocalization in "Anchored" Ions with Potential Trishomoaromatic Character. II. The Tricyclo[4.2.1.03,9]nona-4,7-dien-2-yl Anion," J. Am. Chem. Soc., 99, 4764 (1977).

341. L. A. Paquette, P. B. Lavrik, and R. H. Summerville, "The Question of Delocalization in "Anchored" Ions with Potential Trishomoaromatic Character. III. Ionization Studies of Tricyclo[5.3.1.04,11]undeca-2,5,8-trien-10-yl Derivatives Under Short- and Long-Lived Conditions," J. Am. Chem. Soc., 42, 2659 (1977).

342. L. A. Paquette and R. T. Taylor, "The Consequences of Methyl Substitution on the Efficiency and Regioselectivity of C-H Insertion During Intramolecular Cyclization of Norcaran-7-, 3- Norcaren-7-, and Tricyclo[5.1.0.03,5]octan-8-ylidenes," J. Am. Chem. Soc., 99, 5708 (1977).

343. L. A. Paquette, C. C. Liao, R. L. Burson, R. E. Wingard, Jr., C. N. Shih, J. Fayos, and J. Clardy, "Synthesis and Electronic Properties of 2a,8b-Dihydrocyclopent[cd]azulenes (Elassovalenes)," J. Am. Chem. Soc., 99, 6935 (1977). HETEROCYCLES, Vol. 62, 2004 59

344. L. A. Paquette, T. G. Wallis, T. Kempe, G. G. Christoph, J. P. Springer, and J. Clardy, "Benzoannulation as a Probe of Structural Dimenion and π-Electron Distribution in Elassovalenes. A Mathematical Model for the Assessment of Homoaromaticity," J. Am. Chem. Soc., 99, 6946 (1977).

345. L. Birladeanu, E. Chamot, W. E. Fristad, L. A. Paquette, and S. Winstein, "Difunctional Derivatives of syn-Dimethanoperhydro-s-hydrindacene," J. Org. Chem., 42, 3260 (1977).

346. R. T. Taylor and L. A. Paquette, "Thermal Rearrangement of Dibromo- tetracyclo[5.1.0.02,4.03,5]octanes. Assessment of the Competitive Ring Opening of Dibromocyclopropane and Bicyclo[1.1.0]butane Rings and a General Synthesis of trans- Bishomobenzenes," J. Am. Chem. Soc., 99, 5824 (1977).

347. L. A. Paquette, G. D. Ewing, S. Traynor, and J. M. Gardlik, "The Dicycloocta- tetraeno[1,2:4,5]benzene Dianion and Tetraanion. Experimental Assessment of Extended Paratropic vs Restricted Diatropic π Electron Delocalization," J. Am. Chem. Soc., 99, 6115 (1977).

348. L. A. Paquette, J. M. Photis, and R. Micheli, "Binding of Unsaturated Propellanes to Transition Metal Centers. Mo(CO)6-Promoted Skeletal Isomerization of [4.4.2]Propella- 2,4,11-trienes," J. Am. Chem. Soc., 99, 7899 (1977).

349. L. A. Paquette, R. P. Micheli, and J. M. Photis, "Molybdenum(I) Catalysis of [1,5] Sigmatropic Carbon Migration in Unsaturated[4.4.2]Propellanes. Deuterium Isotope Effects, Kinetics, and Mechanism," J. Am. Chem. Soc., 99, 7911 (1977).

350. M. A. Battiste, J. F. Timberlake, L. A. Paquette, C. R. Degenhardt, J. T. Martin, E. Hedaya, T. M. Su, and S. Theodoropoulos "Analysis of the Thermodynamic and Kinetic Factors which + Control Entry into, and Wagner-Meerwein Rearrangement within, the C12H15 Manifold," JCS Chem. Commun., 941 (1977).

1978

351. L. A. Paquette, "Reactivity of π-Equivalent Medium-Ring Nitrogen Heterocycles. The Azocines and Homoazocines," Khimija Geterocycl. Soedeneij, 147 (1978).

352. L. A. Paquette, "The Realities of Extended Homoaromaticity," Angew. Chem., 90, 114 (1978); Angew Chem. Int. Ed. Engl., 17, 106 (1978).

353. R. T. Taylor and L. A. Paquette, "A Study of the Capacity of Group IV Substituents for Directing the Course of Ag(I)-Catalyzed Tricyclo[4.1.0.02,7]heptane Rearrangement into the Elusive Type δ Manifold," J. Org. Chem., 43, 242 (1978).

354. L. N. Domelsmith, K. N. Houk, C. R. Degenhardt, and L. A. Paquette, "Photoelectron Spectra and Orbital Interactions in Methylenenortriquinacenes," J. Am. Chem. Soc., 100, 100 (1978).

355. L. A. Paquette and R. Grée, "Rhodium(I) Catalysis of Cycloprop[a]acenaphthylene Isomerizations," J. Organometal. Chem., 146, 319 (1978).

356. L. A. Paquette, "Quest for the Pentagonal Dodecahedrane," Pure Appl. Chem, 50, 1291 (1978). 60 HETEROCYCLES, Vol. 62, 2004

357. M. R. Detty and L. A. Paquette, "Comparative Study of syn- and anti-1,5-Bishomocyclo- heptatrien-2-yl Radicals and Carbocations," J. Org. Chem., 43, 1118 (1978).

358. L. A. Paquette and R. L. Burson, "Substituent Influences on the Cope Equilibrium in Semibullvalene. Symmetrical Heteroatomic 2,8-Pentamethylene Derivatives," Tetrahedron, 34, 1307 (1978).

359. L. A. Paquette, D. R. James, and G. Klein, "The Impact of High-Lying σ Orbitals and Extensive Through-Bond Interaction on Chemical Reactivity. 1. Convenient Syntheses of Hypostrophene and Its Susceptibility to Rearrangement Under Electrophilic Conditions," J. Org. Chem., 43, 1287 (1978).

360. G. Klein and L. A. Paquette, "Impact of High-Lying σ Orbitals and Extensive Through-Bond Interaction on Chemical Reactivity. II. Solvolytic Studies of Hypostrophene Derivatives," J. Org. Chem., 43, 1293 (1978).

361. L. A. Paquette and M. J. Carmody, "The Impact of High Lying σ Orbitals and Extenxive Through-Bond Interaction on Chemical Reactivity. III. Solvolysis of syn- and anti- Tricyclo[4.2.0.02,5]octa-3,5-diene Derivatives," J. Org. Chem., 43, 1299 (1978).

362. L. A. Paquette, R. A. Snow, J. L. Muthard, and T. Cynkowski, "C16-Hexaquinacene," J. Am. Chem. Soc., 100, 1600 (1978).

363. L. A. Paquette and M. R. Detty, "The Rhodium(I)-Catalyzed Rearrangement of syn-1,3- Bishomocycloheptatriene," Tetrahedron Lett., 713 (1978).

364. J. Spanglet-Larsen, R. Gleiter, M. R. Detty and L. A. Paquette, "The Interaction of Walsh Orbitals in Trishomocycloheptatrienes and Related Hydrocarbons," J. Am. Chem. Soc., 100, 3005 (1978).

365. L. A. Paquette, R. Moerck, B. Harirchian, and P. D. Magnus, "Use of Phenyl Vinyl Sulfoxide as an Acetylene Equivalent in Diels-Alder Cycloadditions," J. Am. Chem. Soc., 100, 1597 (1978).

366. L. A. Paquette, C. R. Degenhardt, and H. C. Berk, "Reversible Charge Control of Nortriquinacenyl-Tetracyclo[4.2.1.03,5.04.9]nonenyl Isomerizations," J. Am. Chem. Soc., 100, 1599 (1978).

367. L. A. Paquette, G. Klein, and C. W. Doecke, "syn-Tricyclo[4.2.1.12,5]decane. Comparison with anti-Tricyclo[4.2.1.12,5]decane," J. Am. Chem. Soc., 100, 1595 (1978).

368. C. W. Doecke, G. Klein, and L. A. Paquette, "syn-Tricyclo[4.2.1.12,5]deca-3,5-diene, the Head-to-Head [4+4] Dimer of Cyclopentadiene," J. Am. Chem. Soc., 100, 1596 (1978).

369. W. E. Fristad, T. R. Bailey, and L. A. Paquette, "1,2-Transposition of Ketones via Vinylsilanes," J. Org. Chem., 43, 1620 (1978).

370. M. R. Detty and L. A. Paquette, "Stereospecific Double Rearrangement of anti-1,5- Bishomocycloheptatriene. A Rebound Pathway of Thermal Rearrangement Involving Intermediate Geminal Hydrogen Interchange," JCS Chem. Commun., 365 (1978).

371. P. Bischof, R. Gleiter, R. T. Taylor, A. R. Browne, and L. A. Paquette, "Electronic Structure of Tricyclo[4.1.0.02,7]hept-3-ene. Correlation with the Regioselectivity of Electrophilic Attack," J. Org. Chem., 43, 2391 (1978). HETEROCYCLES, Vol. 62, 2004 61

372. P. Bischof, M. Böhm, R. Gleiter, R. A. Snow, C. W. Doecke, and L. A. Paquette, "Evaluation of Through-Space Interaction in 9-Substituted Pentacyclononane Derivatives," J. Org. Chem., 43, 2387 (1978).

373. L. A. Paquette and G. D. Ewing, "The Impact of Methyl Imidate Functionality Upon Cope Rearrangement. The Heteroatomic cis-1,2-Divinylcyclopropane Example," J. Am. Chem. Soc., 100, 2908 (1978).

374. G. D. Ewing, S. V. Ley, and L. A. Paquette, "Thermal Isomerization of Homoazocines," J. Am. Chem. Soc., 100, 2909 (1978).

375. E. Chamot, A. K. Sharma, and L. A. Paquette, "Enhancement of the Efficiency of Silver(I) Promoted Rearrangements in Molten Eutectics," Tetrahedron Lett., 1963 (1978).

376. R. Bartetzko, R. Gleiter, J. L. Muthard, and L. A. Paquette, "Long Range Electronic Transmission in Conformationally Rigid α-Diketones," J. Am. Chem. Soc., 100, 5589 (1978).

377. L. A. Paquette and M. R. Detty, "Synthesis and Protonation Studies of syn- and anti-2,4- Bishomotropone. Comparison with the Behavior of Epimeric 2,4-Bishomocycloheptatrienols under Long- and Short-Lived Ionization Conditions," J. Am. Chem. Soc., 100, 5856 (1978).

378. L. A. Paquette, M. J. Wyvratt, H. C. Berk, and R. E. Moerck, "Domino Diels-Alder Cycloadditions to 9,10-Dihydrofulvalene and 11,12-Dihydrosesquifulvalene. A Synthetic Tool for the Elaboration of Polycondensed Alicyclic Systems," J. Am. Chem. Soc., 100, 5845 (1978).

379. C. Santiago, E. J. McAlduff, K. N. Houk, R. A. Snow, and L. A. Paquette, "Photoelectron Spectra of Ortho- and Meta-Substituted Benzonorbornadienes. Relationships to Regioselectivities in Triplet Di-π-methane Rearrangements," J. Am. Chem. Soc., 100, 6149 (1978).

380. L. A. Paquette, L. W. Hertel, R. Gleiter, and M. Böhm, "Electronic Control of Stereoselectivity. 1. Singlet Oxygen and Related Electrophilic Additions to Aryl-Substituted 7-Isopropylidenebenzonorbornenes," J. Am. Chem. Soc., 100, 6510 (1978).

381. H. C. Berk, C. R. Degenhardt, and L. A. Paquette, "Stereoelectronic Control of 2- Nortriquinacenyl Deaminations. The Relevance of Geometry and Proximity to Long-Range Orbital Interaction and Charge Stabilization in Cup-Shaped Molecules," J. Org. Chem., 43, 4516 (1978).

382. J. Spanget-Larsen, R. Gleiter, L. A. Paquette, M. J. Carmody, and C. R. Degenhardt, "Orbital Interactions in anti- and syn-Tricyclooctadienes and their Homo Derivatives. Photoelectron Spectra and Molecular Orbital Calculations," Theor. Chim. Acta, 50, 145 (1978).

383. A. R. Browne and L. A. Paquette, "Cycloaddition Reactions of Triazolinediones to Tricyclo[4.1.0.02,7]hept-3-enes. The Consequences of Charge Control as Compared to Frontier Orbital Control," J. Am. Chem. Soc., 43, 4522 (1978).

384. L. A. Paquette, R. V. Carr, and F. Bellamy, "Angle and Torsional Strains as Tools for Enhancing the Kinetic Stability of β-Hydroperoxy Ketones," J. Am. Chem. Soc., 100, 6764 (1978).

385. E. Chamot and L. A. Paquette, "Steric Inhibition of a Silver(I)-Catalyzed 1,8- Bishomocubane-Snoutane Rearrangement," J. Org. Chem., 43, 4527 (1978).

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386. L. A. Paquette, G. D. Ewing, S. V. Ley, H. C. Berk, and S. G. Traynor, "Synthesis and Reducibility of Homo-3-methoxyazocines and their Benzo-Fused Derivatives. An Examination of Heteroatomic Influences on the Possible Generation of 9C-10π Homoaromatic Dianions," J. Org. Chem., 43, 4712 (1978).

387. G. G. Christoph, J. L. Muthard, L. A. Paquette, M. C. Böhm, and R. Gleiter, "Quantitative Assessment of pp-σ Overlap in a Topogically Convex Triene. Electronic and Crystal Structure Analysis of C16-Hexaquinacene," J. Am. Chem. Soc.,100, 7782 (1978).

388. G. Kretschmer and L. A. Paquette, "Concerning the Inhibition of Singlet Oxygen Attack on Compounds Containing Urazole Rings," Heterocycles, 11, 359 (1978).

389. L. A. Paquette, "Quest for the Pentagonal Dodecahedrane," Chimia, 32, 295 (1978).

1979

390. L. A. Paquette, "The Development of Polyquinane Chemistry," Fortschr. Chem. Forsch., 79, 43 (1978).

391. J. Clardy, B. A. Solheim, J. P. Springer, I. Itoh, and L. A. Paquette, "Crystal and Molecular Structural Studies of dl- and meso-Bivalvane," JCS Perkin II, 296 (1979).

392. D. Balogh, W. J. Begley, D. Bremner, M. J. Wyvratt, and L. A. Paquette, "(C2)-Dioxa- C20-octaquinane, a Heterocyclic Triseco Dodecahedrane," J. Am. Chem. Soc., 101, 749 (1979).

393. J. M. Gardlik, L. K. Johnson, L. A. Paquette, B. A. Solheim, J. P. Springer, and J. Clardy, "Bond Fixation in Annulenes. 5. Absolute Configuration and Chiroptical Properties of Optically Active 1,2,3-Trimethyl- and 1,2,3,4-Tetramethylcyclooctatetraenes," J. Am. Chem. Soc., 101, 1615 (1979).

394. J. M. Gardlik, L. A. Paquette, and R. Gleiter, "Bond Fixation in Annulenes. 6. Equilization of Ring Inversion and Bond Shifting Energetics in Methyl-Substituted Cyclooctatetraenes. Use of Buttressing Effects for Comparing Transition-State Geometries," J. Am. Chem. Soc., 101, 1617 (1979).

395. G. Wells, Y. Hanzawa, and L. A. Paquette, "1,3-Di-tert-butylcyclooctatetraene," Angew. Chem., 91, 578 (1979); Angew. Chem. Int. Ed. Engl., 18, 544 (1979).

396. L. A. Paquette, A. R. Browne, and E. Chamot, "An Expeditious Synthesis of Heptalene from Naphthalene via a Bis-Bicyclo[1.1.0]butane Intermediate," Angew. Chem., 91, 581 (1979); Angew. Chem. Int. Ed. Engl., 18, 546 (1979).

397. R. B. Moffett, A. Robert, E. L. Schumann, and L. A. Paquette, "Antiulcer Agents. 2. Pyridyl Oxime Ethers," J. Heterocyclic Chem., 16, 1459 (1979).

398. W. E. Fristad, D. S. Dime, T. R. Bailey, and L. A. Paquette, "Vinylsilane Mediated Regiospecific Cyclopentenone Annulation of Ketones," Tetrahedron Lett., 1999 (1979).

399. W. E. Fristad, Y.-K. Han, and L. A. Paquette, "Silanes in Organic Synthesis. 6. Conversion of Unsubstituted and 2-Aryl Ketones to 1-Aryl Allylsilanes," J. Organometal. Chem., 174, 27 (1979).

HETEROCYCLES, Vol. 62, 2004 63

400. L. A. Paquette, W. E. Fristad, C. A. Schumann, M. A. Beno, and G. G. Christoph, "Reappraisal of the Stereochemistry of Electrophilic Additions to 3-Norcarenes. X-Ray and 1H NMR Analysis of Norcarene Epoxide Conformation. The Role of Magnetic Anisotropic Contributions to Epoxide Rings," J. Am. Chem. Soc.,101, 4645 (1979). 64 HETEROCYCLES, Vol. 62, 2004

PUBLICATIONS OF LEO A. PAQUETTE

Part II

(Papers 401- 800)

401. L. A. Paquette and G. Kretschmer, "Stereoreversed Electrophilic Additions to 3-Norcarenes. Insight into the Relative Steric Demands of Singlet Oxygen in the Ene Reaction," J. Am. Chem. Soc., 101, 4655 (1979).

402. W. E. Fristad, T. R. Bailey, L. A. Paquette, R. Gleiter, and M. C. Böhm, "Regiospecific Photosensitized Oxygenation of Vinylsilanes. A Method for Converting Saturated Ketones to 1,2-Transposed Allylic Alcohols. The Possible Role of Silicon in Directing the Regioselectivity of Epoxysilane Cleavage Reactions," J. Am. Chem. Soc. 101, 4420 (1979).

403. L. A. Paquette, A. Y. Ku, C. Santiago, M. D. Rozeboom, and K. N. Houk, "Control of Regioselectivity in the Di-π-methane Rearrangement. Triplet-Sensitized Photoisomerization of Benzonorbornadienes Carrying Cyano Substituents in the Aryl and Vinyl Segments," J. Am. Chem. Soc. 101, 5972 (1979).

404. A. Y. Ku, L. A. Paquette, M. D. Rozeboom, and K. N. Houk, "Polar Effects on Di-π- methane Rearrangments. Regiospecificity in the Triplet-Sensitized Photoisomerizations of 2- Cyanobenzonorbornadienes Carrying Methoxy Aryl Substituents," J. Am. Chem. Soc., 101, 5981 (1979).

405. H. Park, P. F. King, and L. A. Paquette, "Twofold Cation-Olefin Cyclization. Synthesis of syn-[3.2.1]2- and [2.2.2]2-Geminane," J. Am. Chem. Soc., 101, 4773 (1979).

406. J. M. Gardlik and L. A. Paquette, "Bond Fixation in Annulenes. 7. Direct Resolution of Chiral Cyclooctatetraenes," Tetrahedron Lett., 3597 (1979).

407. K. Ohkata, R. L. Paquette, and L. A. Paquette, "The Interdependence of Solvoylsis Rate and Aryl-Aryl Dihedral Angle in a Series of 4-Biphenylyldimethylcarbinyl p-Nitrobenzoates," J. Am. Chem. Soc., 101, 6687 (1979).

408. L. A. Paquette, R. A. Snow, J. L. Muthard, and T. Cynkowski, "Topologically Spherical Molecules. An Efficient Synthesis of C16-Hexaquinacene and Its Lack of Neutral Homoaromatic Character," J. Am. Chem. Soc., 101, 6991 (1979).

409. L. A. Paquette, M. J. Wvyratt, O. Schallner, J. L. Muthard, W. J. Begley, R. M. Blankenship, and D. Balogh, "Topologically Spherical Molecules. Synthesis of a Pair of C2 Symmetric Hexaquinane Dilactones and Insights into their Chemical Reactivity. An Efficient π-Mediated 1,6-Dicarbonyl Reduction," J. Org. Chem., 44, 3616 (1979).

410. L. A. Paquette, W. J. Begley, D. Balogh, M. J. Wyvratt, and D. Bremner, "Topologically Spherical Molecules. Rearrangement Reactions of Functionalized C2 Symmetric Hexaquinane Systems and Synthesis of (C2)-Dioxa-C20-octaquinane, a Heterocyclic Triseco Dodecahedrane," J. Org. Chem., 44, 3630 (1979).

HETEROCYCLES, Vol. 62, 2004 65

411. K. N. Houk, R. W. Gandour, R.W. Stozier, N. G. Rondan, and L. A. Paquette, "On the Barriers to Thermally Allowed Reactions and the Elusiveness of Neutral Homoaromaticity," J. Am. Chem. Soc., 101, 6797 (1979).

412. K. Matsumato, T. Uchida, and L. A. Paquette, "Synthesis of 3-Cyanoindolizines via Cycloaddition-Extrusion Reactions of Dicyanomethylids with Phenyl Vinyl Sulfoxide," Synthesis, 746 (1979).

413. Y.-K. Han and L. A. Paquette, "Vinylsilane Mediated Stereoselective Total Synthesis of (±)- Gymnomitrol," J. Org. Chem., 44, 3731 (1979).

414. L. A. Paquette, C. W. Doeke, and G. Klein, "Regiocontrolled Hydrogenolysis of Strained Sigma Bonds. Application to the Synthesis of syn- and anti-Tricyclo[4.2.1.12,5]decane and Two Elusive Cyclopentadiene Dimers," J. Am. Chem. Soc., 101, 7599 (1979).

415. L. A. Paquette and Y.-K. Han, "Stereospecific Total Synthesis of (±)-Isocomene (Berkheyaradulene)," J. Org. Chem., 44, 4014 (1979).

416. N. J. Hales and L. A. Paquette, "Construction and Base-Promoted Cyclization of a C2ν- Symmetric Diepoxy Tetraquinane Disulfone," J. Org. Chem., 44, 4603 (1979).

417. R. L. Sobczak, M. E. Osborn, and L. A. Paquette, "Functionalized Cs-C17-Heptaquinane Derivatives. Chemical Transformations Along the Fluted Perimeter of a Topologically Spherical Molecule," J. Org. Chem., 44, 4886 (1979).

418. L. W. Hertel and L. A. Paquette, "Electronic Control of Stereoselectivity. 2. A Stereochemical Method for Qualitatively Assessing the Relative Electrophilicity of Various Electron-Deficient Species," J. Am. Chem. Soc., 101, 7620 (1979).

1980

419. P. Engel, R. Sobczak, and L. A. Paquette, "Toward the Synthesis of Dodecahedrane. II. The Crystal and Molecular Structure of Tetrahydro-C16-hexaquinacene-1,9-dione," Z. Kristallogr., 152, 169 (1980).

420. L. A. Paquette, E. Chamot, and A. R. Browne, "Regiospecificity of Cyclopropylidene C-H Insertion Reactions within [m.n.l]Propellane Frameworks," J. Am. Chem. Soc., 102, 637 (1980).

421. L. A. Paquette, A. R. Browne, E. Chamot, and J. F. Blount, "Twofold Cyclopropylidene C- H Insertion as a Route to Hexacyclic Bis(bicyclo[1.1.0]butanes) and their Silver(I) Ion- Promoted Rearrangement. A Direct Synthesis of Heptalene from Naphthalene," J. Am. Chem. Soc., 102, 643 (1980).

422. M. E. Osborn, J. F. Pegues, and L. A. Paquette, "Reduction of α,β-Unsaturated Nitriles with a Copper Hydride Complex," J. Org. Chem., 45, 167 (1980).

423. K. Ohkata and L. A. Paquette, "Geometric Dependence to Long-Range Interaction of Fused Cyclopropane Rings in Tris-σ-homotropylium Cations," J. Am. Chem. Soc., 102, 1082 (1980).

424. R. V. C. Carr and L. A. Paquette, "An Ethylene and Terminal Olefin Equivalent in [4+2]π Cycloadditions. General Synthetic Application of Phenyl Vinyl Sulfone to the Construction of Functionalized Six-Membered Rings," J. Am. Chem. Soc., 102, 853 (1980). 66 HETEROCYCLES, Vol. 62, 2004

425. L. A. Paquette, R. V. C. Carr, M. C. Böhm, and R. Gleiter, "Electronic Control of Stereoselectivity. 3. Stereoselection Operative in [4+2] Cycloadditions to Cyclopentadiene Rings Fused at C2,C3 to Bicyclic Frameworks," J. Am. Chem. Soc., 102, 1186 (1980).

426. L. A. Paquette, "The Evolution of Heptalene Chemistry," Israel J. Chem., 20, 233 (1980).

427. L. A. Paquette, R. F. Doehner, Jr., J. A. Jenkins, and J. F. Blount, "Optical Activity Associated with a Highly Fluxional Molecule. Absolute Configuration and Chiroptical Properties of 2(4)-Methylsemibullvalene," J. Am. Chem. Soc.,102, 1188 (1980).

428. J. Spanget-Larsen, R. Gleiter, G. Klein, C. W. Doecke, and L. A. Paquette, "Orbital Interactions in "Hypostrophene" and its Hydro- and Homo-Derivatives. A Photoelectron Spectroscopic Investigation," Chem. Ber., 113, 2120 (1980).

429. J. A. Jenkins, R. E. Doehner, Jr., and L. A. Paquette, "Synthesis and Absolute Configuration of 4,5-Diazatwist-4-ene," J. Am. Chem. Soc., 102, 2131 (1980).

430. R. Grée, H. Park, and L. A. Paquette, "Regio- and Stereoselective 1,2-Wagner-Meerwein Shifts during Trifluoroacetic Acid Catalyzed Isomerization of Unsymmetrically Substituted Tricyclo[3.2.0.02,4]heptanes," J. Am. Chem. Soc., 102, 4397 (1980).

431. L. A. Paquette, K. Ohkata, and R. V. C. Carr, "syn,endo-Tetracyclo[6.2.1.13,6.02,7]dodec-2- ylium Cations. The Kinetic and Chemical Consequences of Fusing Norbornyl Systems Across Common C2,C3 Segments," J. Am. Chem. Soc., 102, 3303 (1980).

432. L. A. Paquette and J. M. Gardlik, "Bond Fixation in Annulenes. 8. Assessment of the Ring Inversion and Bond Shift Barriers in 1,2,3-Trimethylcyclooctatetraene. Resolution, Absolute Configuration, and Circular Dichroic Behavior of the [8]Annulene Hydrocarbon," J. Am. Chem. Soc., 102, 5016 (1980).

433. L. A. Paquette, J. M. Gardlik, L. K. Johnson, and K. J. McCullough, "Bond Fixation in Annulenes. 9. Equilization of Ring Inversion and Bond Shifting Energetics in 1,2,3,4- Tetramethylcyclooctatetraene. Asymmetric Synthesis, Direct Resolution, and Absolute Configuration of the Optically Active Hydrocarbon," J. Am. Chem. Soc., 102, 5026 (1980).

434. L. A. Paquette and J. M. Gardlik, "Utilization of Buttressing Effects for Comparing Ring Inversion and π Bond Shifting Transition State Geometries in Cyclooctatetraenes," J. Am. Chem. Soc., 102, 5033 (1980).

435. L. A. Paquette, G. D. Crouse, and A. K. Sharma, "A Stereocontrolled Synthetic Entry to the Primary Prostaglandins from Butadiene. Oxy Anionic Substituent Effects on [1,5] Hydrogen Sigmatropy," J. Am. Chem. Soc., 102, 3972 (1980).

436. L. A. Paquette, H. Park, and P. F. King, "Synthesis of Geminanes, Paired Bicyclic Systems Laterally Fused to Common Bridgehead Carbon Atoms," J. Chem. Res. (S), 296 (1980); (M), 3580 (1980).

437. D. W. Balogh and L. A. Paquette, "Topologically Spherical Molecules. Transannular and Other Rearrangement Reactions of Bishomo Dioxatrisecododecahedranes," J. Org. Chem., 45, 3038 (1980).

438. L. A. Paquette, W. E. Fristad, D. S. Dime, and T. R. Bailey, "Silanes in Organic Synthesis. 8. Preparation of Vinylsilanes from Ketones and their Regiospecific Cyclopentenone Annulation," J. Org. Chem., 45, 3017 (1980).

HETEROCYCLES, Vol. 62, 2004 67

439. W. E. Fristad, T. R. Bailey, and L. A. Paquette, "Silanes in Organic Synthesis. 9. Enesilylation as a Method for 1,2-Carbonyl Migration within Ketones and for Conversion to 1,2-Transposed Allylic Alcohols," J. Org. Chem., 45, 3028 (1980).

440. L. A. Paquette and R. V. C. Carr, "Response of syn-1,2,3,4,5,6,7,8-Octahydro-1,4;5,8- dimethanonaphthalene and Related Molecules to Oxidation with Ozone, Singlet Oxygen, and Triplet Oxygen. Strain and Steric Effects as Controllers of Reactivity," J. Am. Chem. Soc., 102, 7553 (1980).

441. K. Ohkata, C. W. Doecke, G. Klein, and L. A. Paquette, "Stereoelectronic Effects on Cyclobutyl Participation. The 10-Tetracyclo[5.2.1.02,6.03,9]decyl Cation," Tetrahedron Lett., 21, 3253 (1980).

442. L. A. Paquette, C. W. Doecke, F. R. Kearney, A. F. Drake, and S. F. Mason, "Chiral Perturbation of Olefins by Deuterium Substitution. The Optical Activity and Circular 2 Dichroism Behavior of (1S)-[2- H]-Norbornene and Deuterated Apobornenes," J. Am. Chem. Soc., 102, 7228 (1980).

443. M. C. Böhm, R. V. C. Carr, R. Gleiter, and L. A. Paquette, "Electronic Control of Stereoselectivity. 4. Effects of Neighboring Fused Bicyclic Frameworks on the Stereochemical Outcome of Diels-Alder Cycloadditions to Cyclopentadiene Rings," J. Am. Chem. Soc., 102, 7218 (1980).

444. L. A. Paquette, R. V. C. Carr, E. Arnold, and J. Clardy, "Electronic Control of Stereoselectivity. 5. Stereochemistry of Singlet Oxygen Capture by Cyclopentadiene Rings Fused to Norbornyl and Norbornenyl Frameworks," J. Org. Chem., 45, 4907 (1980).

445. L. A. Paquette, F. Bellamy, M. C. Böhm, and R. Gleiter, "Electronic Control of Stereoselectivity. 6. Directionality of Singlet Oxygen Addition to 1,4- Dimethoxynaphthalenes Laterally Fused to Bridged Bicyclic Systems," J. Org. Chem., 45, 4913 (1980).

446. L. A. Paquette, R. V. C. Carr, P. Charumilind, and J. F. Blount, "Electronic Control of Stereoselectivity. 7. The Stereospecificity of N-Methyltriazolinedione Cycloaddition to Tricyclo[5.2.1.02,6]deca-2,5-diene, Tricyclo[5.2.1.02,6]deca-2,5,8-triene, and Tricyclo[5.2.2.03,6]undeca-2,5,8-triene," J. Org. Chem., 45, 4922 (1980).

447. L. A. Paquette and R. F. Doehner, Jr., "Synthesis of Optically Active Triazolinediones and Examination of their Utility for Inducing Asymmetry in Diels-Alder Cycloaddition Reactions," J. Org. Chem., 45, 5105 (1980).

448. H. Park and L. A. Paquette, "Sythesis of the C2ν- and S4-Symmetric Tetraesters of Tricyclo[3.3.0.03,7]octane," J. Org. Chem., 45, 5378 (1980).

449. K. A. Horn, A. R Browne, and L. A. Paquette, "Cycloaddition Behavior of Heptalene toward Triazolinediones," J. Org. Chem., 45, 5381 (1980).

450. G. Birnberg and L. A. Paquette, "1-Semibullvalenyl Carbinyl Cation," J. Org. Chem., 45, 5379 (1980).

68 HETEROCYCLES, Vol. 62, 2004

1981

451. L. A. Paquette, "Approaches to the Synthesis of Topologically Spherical Molecules. Recent Advances in the Chemistry of Dodecahedrane," Org. Synth. Today and Tomorrow (IUPAC), 335 (1981).

452. L. A. Paquette, D. Balogh, and P. Engel, "Synthesis and X-Ray Crystal Structure of a (C2)- Dioxatrisecododedahedrane," Heterocycles, 271 (1981).

453. L. A. Paquette and G. D. Crouse, "Stereocontrolled Preparation of Precursors to All Primary Prostaglandins from Butadiene," Tetrahedron, 37, Supplement 1, 281 (1981).

454. L. A. Paquette, Y. Hanzawa, K. J. McCullough, B. Tagle, W. Swenson, and J. Clardy, "Bond Fixation in Annulenes. 11. Synthesis and Absolute Configuration of the Enantiomeric 1,3-Di-tert-butylcyclooctatetraenes. Quantitative Kinetic Assessment of the Effect of Non-Vicinal tert-Butyl Groups on [8]Annulene Ring Inversion and Bond Shifting Barriers," J. Am. Chem. Soc., 103, 2262 (1981).

455. Y. Hanzawa and L. A. Paquette, "Bond Fixation in Annulenes. 12. Effect of Vicinal Di- tert-butyl Substitution on Cyclooctatetraene Valence Isomerization. 7,8-Di-tert- butylbicyclo[4.2.0]octa-2,4,7-triene," J. Am. Chem. Soc., 103, 2269 (1981).

456. L. A. Paquette and Y.-K. Han, "A Vinylsilane Route to (±)-Gymnomitrol," J. Am. Chem. Soc., 103, 1831 (1981).

457. L. A. Paquette and M. Vazeux, "Threefold Transannular Epoxide Cyclization. Synthesis of a Heterocyclic C17-Hexaquinane," Tetrahedron Lett., 22, 291 (1981).

458. D. W. Balogh, L. A. Paquette, P. Engel, and J. F. Blount, "Unusual Photoisomerization of an "Encased" α-Diketone," J. Am. Chem. Soc., 103, 226 (1981).

459. L. A. Paquette and Y.-K. Han, "Total Synthesis of (±)-Isocomene, a Naturally Occurring Triquinane," J. Am. Chem. Soc., 103, 1835 (1981).

460. L. A. Paquette, D. W. Balogh, and J. F. Blount, "Model Approach to the Pentagonal Dodecahedrane. Synthesis and Properties of a Monoseco Derivative," J. Am. Chem. Soc., 103, 228 (1981).

461. H. Schostarez and L. A. Paquette, "Short, Stereospecific Total Syntheses of (±)-Modhephene and (±)-Epimodhephene," J. Am. Chem. Soc., 103, 722 (1981).

462. L. A. Paquette, D. W. Balogh, R. Usha, D. Kountz, and G. G. Christoph, "Crystal and Molecular Structure of a Pentagonal Dodecahedrane," Science, 211, 575 (1981).

463. J. L. Pfeil, S. Kukolja, and L. A. Paquette, "Synthesis of 7β-Amido-7α-methoxy-3-methyl-1- oxacephalosporin," J. Org. Chem., 46, 827 (1981).

464. R. G. Daniels and L. A. Paquette, "Silanes in Organic Synthesis. 11. Regiocontrolled Synthesis of α-Hydroxymethylated (Trimethylsilyl)allenes," Tetrahedron Lett., 22, 1579 (1981).

465. W. D. Klobucar, R. L. Burson, and L. A. Paquette, "Thermal Retrograde [2+2] Aromatiztion of Caged Bicyclo[4.2.0]octa-2,4-diene Derivatives," J. Org. Chem., 46, 2680 (1981).

466. H. Schostarez and L. A. Paquette, "Highly Stereocontrolled Synthesis of [3.3.3]Propellane Sesquiterpenes. (±)-Modhephene and (±)-Epimodhephene," Tetrahedron, 37, 4431 (1981). HETEROCYCLES, Vol. 62, 2004 69

467. R. G. Daniels and L. A. Paquette, "Silanes in Organic Synthesis. 10. Cleavage Reactions of Silylcyclopropanes with Titanium Tetrachloride and Hydrogen Chloride," J. Org. Chem., 46, 2901 (1981).

468. L. A Paquette, F. R. Kearney, A. F. Drake, and S. F. Mason, "The Absorption and Circular Dichroism Spectra of Chiral Triquinacenes," J. Am. Chem. Soc., 103, 5064 (1981).

469. L. A. Paquette, "The Chemistry of Silylcyclopropanes," Israel J. Chem., 21, 128 (1981).

470. M. J. Goldstein, J. P. Dinnocenzo, P. Ahlberg, C. Engdahl, L. A. Paquette, and G. A. Olah, "The Purported 2-Methylbicyclo[3.2.2]nonatrienyl Cation," J. Org. Chem., 46, 3751 (1981).

471. M. E. Osborn, S. Kuroda, J. L. Muthard, J. D. Kramer, P. Engel, and L. A. Paquette, "Functionalization Reactions of C16-Hexaquinacene and Related Hemispherical Molecules," J. Org. Chem., 46, 3379 (1981).

472. L. A. Paquette, G. D. Annis, and H. Schostarez, "A New Protocol for Stereocontrolled Lactone Annulation," J. Org. Chem., 46, 3768 (1981).

473. G. D. Crouse and L. A. Paquette, "Relative Kinetic Ordering of [1,3]-Hydrogen Migration, Anionic Oxy-Cope Rearrangement, and Base-Accelerated Dehydration in Tertiary Cyclononatrienyl Alkoxides," Tetrahedron Lett., 22, 3167 (1981).

474. W. D. Klobucar, L. A. Paquette, and J. F. Blount, "Synthesis, Resolution, and Absolute Configuration of Unsaturated [4.4.2]Propellanes," J. Org. Chem., 46, 4021 (1981).

475. G. D. Crouse and L. A. Paquette, "Total Synthesis of (±)-Multifidene, the Gamete Attractant of the Phaeophyte Cutleria multifida," J. Org. Chem., 46, 4272 (1981).

476. L. A. Paquette, L. W. Hertel, R. Gleiter, M. C. Böhm, M. A. Beno, and G. G. Christoph, "Electronic Control of Stereoselectivity. 8. The Stereochemical Course of Electrophilic Additions to Aryl-Substituted 9-Isopropylidenebenzonorbornenes," J. Am. Chem. Soc., 103, 7106 (1981).

477. L. A. Paquette, F. Bellamy, G. J. Wells, M. C. Böhm, and R. Gleiter, "Electronic Control of Stereoselectivity. 9. The Stereochemical Course of Electrophilic Additions to Aryl- Substituted Benzobicyclo[2.2.2]octadienes," J. Am. Chem. Soc., 103, 7122 (1981).

478. L. A. Paquette, F. Klinger, and L. W. Hertel, "Electronic Control of Stereoselectivity. 10. Aryl Substituent Effects of Electrophilic Stereoselection in 11-Isopropylidenedibenzo- norbornadienes. Direct Competion of Dissimilarly Functionalized Benzyl Groups," J. Org. Chem., 46, 4403 (1981).

479. K. E. Stevens and L. A. Paquette, "Stereocontrolled Total Synthesis of(±)-∆9(12)- Capnellene," Tetrahedron Lett., 22, 4393 (1981).

480. L. A. Paquette and G. D. Crouse, "Mild Base-Promoted Conversion of Tertiary cis,cis-2,4- Cyclononadienols to Bicylo[4.3.1]nona-2,4-dienes. Antarafacial Cyclization of Coiled 8π- 7C Conjugated Anions," J. Am. Chem. Soc., 103, 6235 (1981).

481. L. A. Paquette, H. Schostarez, and G. D. Annis, "Total Synthesis of (±)-Pentalenolactone E Methyl Ester," J. Am. Chem. Soc., 103, 6526 (1981).

482. L. A. Paquette and R. V. Williams, "Silicon in Organic Synthesis. 12. trans-1- Benzenesulfonyl-2-(trimethylsilyl)ethylene, a Diels-Alder Dienophile Equivalent of Acetylenes and Monosubstituted Acetylenes," Tetrahedron Lett., 22, 4643 (1981). 70 HETEROCYCLES, Vol. 62, 2004

483. L. A. Paquette, E. Farkas, and R. Galemmo, "4,7,7-Trimethyl-cis-bicyclo[3.3.0]oct-3-en-2- one: A Potentially Useful Synthon for Triquinane Natural Products," J. Org. Chem., 46, 5434 (1981).

1982

484. L. A. Paquette and D. W. Balogh, "An Expedient Synthesis of 1,16-Dimethyl- dodecahedrane," J. Am. Chem. Soc., 104, 774 (1982).

485. G. G. Christoph, P. Engel, R. Usha, D. W. Balogh, and L. A. Paquette, "Comparative X-Ray Crystal Structure Analysis of C2ν-Dimethylmonosecododecahedrane and D3d- Dimethyldodecahedrane. The Remarkable Consequences of a Missing Framework Bond on Molecular Topology," J. Am. Chem. Soc., 104, 784 (1982).

486. L. A. Paquette, Y. Hanzawa, G. J. Hefferson, and J. F. Blount, "Bond Fixation in Annulenes. 13. Kinetic Analysis of Dynamic Behavior in Peripherially Crowded Cyclooctatetraenes. Probe of the Methyl/Phenyl Dichotomy in Tetrasubstituted Derivatives," J. Org. Chem., 47, 265 (1982).

487. L. A. Paquette and F. Klinger, "Electronic Control of Stereoselectivity. 11. Long-Range Modulation of Stereoselection in Diels-Alder Cycloadditions of N-Methyltriazolinedione to Aryl Substituted 9-Butadienylidenebenzonorbornenes," J. Org. Chem., 47, 272 (1982).

488. L. A. Paquette, "Ring Inversion and Bond Shifting Energetics in Substituted Chiral Cyclooctatetraenes," Pure Appl. Chem., 54, 987 (1982).

489. L. A. Paquette, E. Bay, A. Y. Ku, N. G. Rondan, and K. N. Houk, "Regioselectivities in the Di-π-methane Photorearrangement of 2-Methylbenzonorbornadienes Carrying Methoxyl and Cyano Aryl Substituents. The Vinyl Methyl Effect," J. Org. Chem., 47, 422 (1982).

490. L. A. Paquette and W. A. Kinney, "A New Synthon for the Regiospecific γ-Alkylation of 2- Cyclohexenones. Application to the Synthesis of Zingiberenol and Oxygenated Bicyclo[3.3.1]nonanes," Tetrahedron Lett., 23, 131 (1982).

491. L. A. Paquette, K. A. Horn, and G. J. Wells, "Silicon in Organic Synthesis. 13. The 1- Trimethylsilylcyclopropyl Anion and its Formal Equivalent," Tetrahedron Lett., 23, 259 (1982).

492. L. A. Paquette, G. J. Wells, K. A. Horn, and T.-H. Yan, "Silicon in Organic Synthesis. 14. Five Ring Annulation Processes Based Upon Thermal Rearrangement of (1- Trimethylsilylcyclopropyl)ethylenes," Tetrahedron Lett., 23, 263 (1982).

493. J. Spanget-Larsen, R. Gleiter, K. Gubernator, R. J. Ternansky, and L. A. Paquette, "Electronic and Molecular Structure of Simple Bicyclopropyls. Photoelectron Spectroscopy and Model Calculations," J. Org. Chem., 47, 3082 (1982).

494. L. A. Paquette, "Silicon-Mediated Organic Synthesis," Science, 217, 793 (1982).

495. L. A. Paquette, G. D. Crouse, and A. K. Sharma, "Relationship of the Anionic Behavior of Unsaturated Medium-Ring Alcohols to Structure. Generation and Antarafacial Cyclization of Coiled 8π-Electron Carbanions," J. Am. Chem. Soc., 104, 4411 (1982).

496. L. A. Paquette and R. G. Daniels, "Silanes in Organic Synthesis. 15. Silicon-Directed Hydride Abstraction from 2-Trimethylsilyl-1,3-cyclohexadieneiron Complexes and Nucleophilic Addition to the Derived Cations," Organometallics, 1, 757 (1982). HETEROCYCLES, Vol. 62, 2004 71

497. G. D. Annis and L. A. Paquette, "Total Synthesis of (±)-Pentalenene," J. Am. Chem. Soc., 104, 4504 (1982).

498. Y. Hanzawa and L. A. Paquette, "Photochemical Preparation of 5-t-Butyl-4-methoxycarbanyl- tetracyclo[3.3.0.02,4.03,6]oct-7-ene," Synthesis, 661 (1982).

499. L. A. Paquette and P. Charumilind, "Spectroscopic Evidence for Directed Electronic Influences Within Norbornyl Frameworks," J. Am. Chem. Soc., 104, 3749 (1982).

500. L. A. Paquette, "Dodecahedrane - The Chemical Transliteration of Plato's Universe," Proc. Nat. Acad. Sci., 79, 4495 (1982).

501. L. A. Paquette, K. Jelich, and K. Ohkata, "The Relative Merits of 6π9C Bishomoaromatic and 10π13C Longicyclic Stabilization," Tetrahedron Lett., 23, 2749 (1982).

502. T.-H. Yan and L. A. Paquette, "Silicon in Organic Synthesis. 16. A Short Synthesis of (±)-α-Vetispirene," Tetrahedron Lett., 23, 3227 (1982).

503. L. A. Paquette, G. D. Annis, and H. Schostarez, "An Effective Approach to Stereocontrolled Lactone Annulation. Application to the Total Synthesis of Pentalenolactone E Methyl Ester and a Partial Elaboration of Quadrone," J. Am. Chem. Soc., 104, 6646 (1982).

504. L. A. Paquette, R. J. Ternansky, and D. W. Balogh, "A Strategy for the Sythesis of Monosubstituted Dodecahedranes and the Isolation of an Isododecahedrane," J. Am. Chem. Soc., 104, 4502 (1982).

505. R. J. Ternansky, D. W. Balogh, and L. A. Paquette, "Dodecahedrane," J. Am. Chem. Soc., 104, 4503 (1982).

506. L. A. Paquette, R. V. Williams, R .V. C. Carr, P. Charumilind, and J. F .Blount, "[1,5]Hydrogen Sigmatropy within Isodicyclopentadiene. Cycloadditive Capture of a Fleeting Isomer with Dienophiles of Low Reactivity," J. Org. Chem., 47, 4566 (1982).

507. K. L. Chasey, L. A. Paquette, and J. F. Blount, "Preparation and Properties of endo,endo- 7,8-Diphenylbicyclo[4.1.1]octa-2,4-diene," J. Org. Chem., 47, 5262 (1982).

508. A. Leone-Bay and L. A. Paquette, "Total Synthesis of Racemic Silphinene," J. Org. Chem., 47, 4173 (1982).

509. R. G. Daniels and L. A. Paquette, "Preparation and Reactivity of Optically Active Vinyl- and Dienylsilanes," Organometallics, 1, 1449 (1982).

510. L. A. Paquette and E. Bay, "Regioselective Photoisomerizations of Bridgehead Substituted Dibenzobarrelenes and Benzonorbornadienes. The Implication of Excited State Deuterium Isotope Effects on Benzo-Vinyl Bridging," J. Org. Chem., 47, 4597 (1982).

511. L. A. Paquette and W. A. Kinney, "A Vinyl Sulfone Mediated Diels-Alder Approach to the Fully Regiocontrolled Elaboration of 4,5-Disubstituted 2- and 3-Cyclohexenones," Tetrahedron Lett., 23, 5127 (1982).

1983

512. R. T. Taylor and L. A. Paquette, "1,6-Dimethyltricyclo[4.1.0.02,7]hept-3-ene," Org. Synth., 61, 39 (1983). 72 HETEROCYCLES, Vol. 62, 2004

513. L. A. Paquette, "Long-Range Stereoelectronic Control by Norbornyl Frameworks of Cycloaddition and Electrophilic Processes," in "Stereochemistry and Reactivity of Pi Systems," W. H. Watson, ed., Verlag Chemie, 1983, pp 41-73.

514. L. A. Paquette, G. J. Wells, K. A. Horn, and T.-H. Yan, "Silicon in Organic Synthesis. 17. Cyclopentannulation by Thermolysis of (1-Trimethylsilylcyclopropyl)ethylenes. The 1- Trimethylsilylcyclopropyl Anion," Tetrahedron, 39, 913 (1983).

515. L. A. Paquette and G. D. Crouse, "An Indirect Method for Engaging Unactivated Alkenes as Effective Dienophiles in Regioselective Diels-Alder Reactions," J. Org. Chem., 48, 141 (1983).

516. L. A. Paquette, G. J. Hefferson, R. Samodral, and Y. Hanzawa, "Bond Fixation in Annulenes. 14. Synthesis of and Bond Shifting Equilibrium between 1,4- and 1,6-Di-tert- butylcyclooctatetraenes," J. Org. Chem., 48, 1262 (1983).

517. L. A. Paquette, T. M. Kravetz, M. C. Böhm, and R. Gleiter, "Stereochemically Specific Diels- Alder Additions to Norbornyl- and Norbornenyl-Fused Fulvene Systems," J. Org. Chem., 48, 1250 (1983).

518. L. A. Paquette, P. Charumilind, T. M. Kravetz, M. C. Böhm, and R. Gleiter, "Long-Range Control by Norbornane Frameworks of Cyclopentadienide Reactivity. Stereoselective Capture of Electrophiles by Tricyclo[5.2.1.02,6]deca-3,8-dienyl Anions," J. Am. Chem. Soc., 105, 3126 (1983).

519. L. A. Paquette, P. Charumilind, M. C. Böhm, R. Gleiter, L. S. Bass, and J. Clardy, "Stereoselectivity of Diels-Alder Cycloadditions to Norbornyl- and Norbornenyl-Fused Spirocyclic Cyclopentadiene Systems," J. Am. Chem. Soc., 105, 3136 (1983).

520. L. A. Paquette, P. C. Hayes, P. Charumilind, M. C. Böhm, R. Gleiter, and J. F. Blount, "Role of Pendant Methyl Groups in Controlling the Rate and Stereochemical Outcome of Diels- Alder Additions to Tricyclo[5.2.1.02,6]decadienes and -trienes," J. Am. Chem. Soc., 105, 3148 (1983).

521. P. C. Hayes and L. A. Paquette, "Electronic Control of Stereoselectivity. 17. [4+2] Cycloadditions to Norbornyl- and Norbornenyl-Fused Anthracene Systems," J. Org. Chem., 48, 1257 (1983).

522. L. A. Paquette, K. Ohkata, K. Jelich, and W. Kitching, "On the Electronic Character of Progressively Unsaturated [4.4.2]Propellanyl Cations under Long- and Short-Life Conditions," J. Am. Chem. Soc., 105, 2800 (1983).

523. K. E. Green and L. A. Paquette, "Electronic Control of Stereoselectivity. 18. Stereospecific Capture of Electrophiles by 9-Isopropylidenebicyclo[4.2.1]nona-2,4,7-trienes," J. Org. Chem., 48, 1849 (1983).

524. R. A. Roberts, V. Schull, and L. A. Paquette, "Electrophile Initiated Ring Opening Reactions of 2-Methylene-6,6-dimethylbicyclo[3.1.0]hexanes. New Methodology for the Synthesis of Highly Functionalized 1,2,3-Trisubstituted Cyclopentenes," J. Org. Chem., 48, 2076 (1983).

525. L. A. Paquette, D. R. Andrews, and J. P. Springer, "Rapid and Efficient Construction of the Ophiobolin Nucleus," J. Org. Chem., 48, 1147 (1983).

526. L. A. Paquette, "In Quest of the Most Complex of Platonic Hydrocarbons. The Dodecahedrane Story," Chemistry in Australia, 50, 138 (1983). HETEROCYCLES, Vol. 62, 2004 73

527. L. A. Paquette, A. G. Schaefer, and J. F. Blount, "Stereoselection in [4+2] Cycloadditions to anti,anti-2,3-Diethylidenenorbornane and -norbornene. Crystal Structure Analysis of Double Bond Deformation in the Adducts," J. Am. Chem. Soc., 105, 3642 (1983).

528. R. Gleiter and L. A. Paquette, "σ/π Interaction as a Controlling Factor in the Stereoselectivity of Addition Reactions," Accounts Chem. Res., 16, 328 (1983).

529. L. A. Paquette, D. W. Balogh, R. J. Ternansky, W. J. Begley, and M. G. Banwell, "Dissolving Metal Reduction of a Hemispherical Dichloro Diester. Tests of Relative Enolate Nucleophilicity within a Mixed Dianion and Oxidative Behavior of a Trisecododecahedryl Alcohol," J. Org. Chem., 48, 3282 (1983).

530. L. A. Paquette, R. J. Ternansky, D. W. Balogh, and W. J. Taylor, "Total Synthesis of a Monosubstituted Dodecahedrane. The Methyl Derivative," J. Am. Chem. Soc., 105, 5441 (1983).

531. L. A. Paquette, R. J. Ternansky, D. W. Balogh, and G. Kentgen, "The Total Synthesis of Dodecahedrane," J. Am. Chem. Soc., 105, 5446 (1983).

532. A. R. Browne, A. F. Drake, F. R. Kearney, S. F. Mason, and L. A. Paquette, "Electronic Absorption and Circular Dichroism Spectra of the Perturbed Coplanar cis-Diene Chromophore in Deuterium and Methyl Substituted 7,7-Dimethylbicylo[4.1.1]octa-2,4-dienes," J. Am. Chem. Soc., 105, 6123 (1983).

533. S. J. Hathaway and L. A. Paquette, "Examination of (-)-α-Naphthylphenylmethylallylsilane as a Template for Effecting Chirality Transfer from Silicon to Carbon," J. Org. Chem., 48, 3351 (1983).

534. L. A. Paquette, A. R. Browne, C. W. Doecke, and R. V. Williams, "A Short, Stereocontrolled Synthesis of [4]Peristylane," J. Am. Chem. Soc., 105, 4113 (1983).

535. L. A. Paquette and A. Leone-Bay, "Triquinane Sesquiterpenes. An Iterative, Highly Stereocontrolled Synthesis of (±)-Silphinene," J. Am. Chem. Soc., 105, 7352 (1983).

536. L. A. Paquette and G. D. Annis, "Total Synthesis of (±)-Pentalenene, the Least Oxidized Neutral Triquinane Metabolite of Streptomyces griseochromogenes," J. Am. Chem. Soc., 105, 7358 (1983).

537. P. C. Bulman-Page, R. A. Roberts, and L. A. Paquette, "A Versatile Titanium-Mediated Procedure for Diversified Bisfunctionalization of γ-Lactols," Tetrahedron Lett., 24, 3555 (1983).

538. L. A. Paquette, P. Charumilind, and J. C. Gallucci, "Regio- and Stereochemical Definition of Silatropic Migration within Trimethylsilyl Substituted Isodicyclopentadienes," J. Am. Chem. Soc., 105, 7364 (1983).

539. L. A. Paquette, J. M. Gardlik, K. M. McCullough, and Y. Hanzawa, "Bond Fixation in Annulenes. 15. A Titanium(0)-Mediated Synthesis of a Cyclooctatetraene. Probe of the Relative Size of the Interstitial Phenyl Substitutuent in 1,3-Dimethyl-2-phenylcyclooctatetraene by Means of Racemization Kinetics," J. Am. Chem. Soc., 105, 7644 (1983).

540. L. A. Paquette, J. M. Gardlik, K. J. McCullough, R. Samodral, G. DeLucca, and R. J. Ouellette, "Bond Fixation in Annulenes. 16. Synthesis of the 1,2-Dimethyl-3-phenyl⇄ 1,8- Dimethyl-2-phenylcyclooctatetraene Bond Shift Isomer Pair. Probe of the Relative Size of a Flanking Phenyl Substituent by Means of Racemization Kinetics," J. Am. Chem. Soc., 105, 7649 (1983). 74 HETEROCYCLES, Vol. 62, 2004

541. W. A. Kinney, G. D. Crouse, and L. A. Paquette, "Regiocontrolled Synthesis of Mono-, Di-, and Trisubtituted Cyclohexenones by Cycloaddition of Vinyl Sulfones to 1-Methoxy- 3[(trimethylsilyl)oxy]-1,3-butadienes. Conversion of Alkenes into Effective Dienophilic Reagents," J. Org. Chem., 48, 4986 (1983).

542. R. V. C. Carr, R. V. Williams, and L. A. Paquette, "Dienophilic Properties of Phenyl Vinyl Sulfone and trans-1-Benzenesulfonyl-2-(trimethylsilyl)ethylene. Their Utilization as Synthons for Ethylene, 1-Alkenes, Acetylene, and Monosubstituted Alkynes in the Construction of Functionalized Six-Membered Rings via [4+2]π Cycloaddition Methodology," J. Org. Chem., 48, 4976 (1983).

543. G. DeLucca and L. A. Paquette, "Solvolytic Behavior of Silicon-Substituted Cyclopropylcarbinyl Trifuloroacetates," Tetrahedron Lett., 24, 4931 (1983).

544. L. A. Paquette, R. A. Galemmo, Jr., and J. P. Springer, "Synthesis of the Alleged Structure of Senoxydene, the Triquinane Sesquiterpene Derived from Senecio oxyodontus," J. Am. Chem. Soc., 105, 6975 (1983).

1984

545. L. A. Paquette, "Recent Synthetic Developments in Polyquinane Chemistry," Topics in Current Chemistry, 119 (1984).

546. P. Engel, J. W. Fischer, and L. A. Paquette, "The Crystal and Molecular Structure of [4]Peristylanedione," Z. Kristallogr., 116, 225 (1984).

547. L. A. Paquette, T. Uchida, and J. C. Gallucci, "Configurational Stability of the 2,2-Diphenyl- 1-(trimethylsilyl)cyclopropyl Carbanion and Free Radical. Absolute Stereochemical Assignments to Select Silylcyclopropanes," J. Am. Chem. Soc., 106, 335 (1984).

548. L. A. Paquette, "Plato's Solid in a Retort - The Dodecahedrane Story," in "Strategies and Tactics of Organic Synthesis," T. Lindberg, ed., Academic Press, 1984, pp 175-200.

549. L. A. Paquette and J. D. Kramer, "Isotriquinacene," J. Org. Chem., 49, 1445 (1984).

550. L. A. Paquette, "Asymmetric Cycloaddition Reactions," in "Asymmetric Synthesis, Volume 3," J. D. Morrison, ed., Academic Press, 1984, pp 455-501.

551. L.-Y. Hsu, S. J. Hathaway, and L. A. Paquette, "Electronic Control of Stereoselectivity. 20. Crystal and Molecular Structure of the Ferrocene Derived from Tricyclo[5.2.1.02,6]deca-2,5,8- triene," Tetrahedron Lett., 25, 259 (1984).

552. L. A. Paquette, T. J. Nitz, R. J. Ross, and J. P. Springer, "Ingenane Synthetic Studies. An Expedient Approach to Highly Oxygenated ABC Subunits of Isoingenol via Reductive Dialkylative Annulation and α,β-Epoxy Ketone Photoisomerization," J. Am. Chem. Soc., 106, 1446 (1984).

553. L. A. Paquette, H. Jendralla, K. Jelich, J. D. Korp, and I. Bernal, "Synthesis and Thermal Isomerization of a Cyclobuta[d]naphthalenone," J. Am. Chem. Soc., 106, 433 (1984).

554. L. A. Paquette and K. E. Stevens, "Stereocontrolled Total Synthesis of the Triquinane Marine Sesquiterpene ∆9(12)-Capnellene," Can. J. Chem., 62, 2415 (1984).

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555. L. A. Paquette, G. DeLucca, J. D. Korp, I. Bernal, J. K. Swarzendruber, and N. D. Jones, "The anti-6-Tetracyclo[4.4.0.17,10]dodecyl Cation Cascade. Sequencing of Rearrangement Routes in a Norbornyl-Fused Norbornyl System," J. Am. Chem. Soc., 106, 1122 (1984).

556. L. A. Paquette, R. S. Valpey, and G. D. Annis, "Silicon in Organic Synthesis. 23. Chloro(trimethylsilylmethyl)ketene as a Useful Intermediate for the Elaboration of α- Methylenecyclobutanones and -cyclopentanones," J. Org. Chem., 49, 1317 (1984).

557. L. A. Paquette, R. G. Daniels, and R. Gleiter, "Synthesis, Reactivity, and Electronic Structure of (2-Trimethylsilyl)-1,3-cyclohexadiene)iron Tricarbonyl Complexes," Organometallics, 3, 560 (1984).

558. L. A. Paquette, H. Jendralla, and G. DeLucca, "[4.4.4]Propella-2,4,7,9,12-pentaene. Synthesis and Remarkable Thermal Stability," J. Am. Chem. Soc., 106, 1518 (1984).

559. L. A. Paquette, R. V. Willaims, M. Vazeux, and A. R. Browne, "Factors Conducive to the Cascade Rearrangement of Sterically Congested and Geometrically Restricted Three-Membered Rings. Facile Synthesis of a Topologically Nonplanar Heterocycle," J. Org. Chem., 49, 2194 (1984).

560. L. A. Paquette, M. J. Coghlan, and P. C. Hayes, "Absolute Configuration of Multifidene as Deduced by Total Synthetis of the Unnatural Levorotatory Enantiomer," J. Org. Chem., 49, 4516 (1984).

561. L. A. Paquette, S. J. Hathaway, and J. C. Gallucci, "Selective Trapping of Rearranged Spirocyclic Isodicyclopentadienes by Tropone," Tetrahedron Lett., 25, 2659 (1984).

562. H. Jendralla, C. W. Doecke, and L. A. Paquette, "Highly Unsaturated Three-Bladed Propeller Molecules. Synthesis and Ring Inversion Dynamics of Two [4.4.4]Propellatrienetriones," J. Chem. Soc., Chem. Commun., 942 (1984).

563. L. A. Paquette, R. A. Roberts, and G. J. Drtina, "Total Synthesis of (-)-Silphiperfol-6-ene and (-)-5-Oxosilphiperfol-6-ene," J. Am. Chem. Soc., 106, 6690 (1984).

564. L. A. Paquette, S. J. Hathaway, T. M. Kravetz, and L.-Y. Hsu, "Electronic Control of Stereoselectivity. 23. Stereochemically Selective Course of [6+4] and [3+4] Cycloadditions to Isodicyclopentadiene," J. Am. Chem. Soc., 106, 5741 (1984).

565. L. A. Paquette, L.-Y. Hsu, J. C. Gallucci, J. D. Korp, I. Bernal, T. M. Kravetz, and S. J. Hathaway, "Interrelationship of π-Bond Tilting and the Stereochemical Disposition of Substituents at C-2 and C-7 within Norbornyl-Fused 4-Cycloheptenones," J. Am. Chem. Soc., 106, 5743 (1984).

566. L. A. Paquette, K. E. Green, and L.-Y. Hsu, "Crossover in π-Facial Stereoselection during [4+2] Cycloaddition of Triazolinediones to Isodicyclopentadiene and Its Dehydro Derivative," J. Org. Chem., 49, 3650 (1984).

567. T. J. Nitz and L. A. Paquette, "Chemoselective Ethylene Acetalization of α,β-Unsaturated vis- a-vis Saturated Carbonyl Groups," Tetrahedron Lett., 25, 3047 (1984).

568. L. A. Paquette and E. Bay, "Effective Control of Regioselectivity by a Bridgehead Substituent in the Di-π-methane Rearrangement of Dibenzobarrelenes and Benzonorbornadienes," J. Am. Chem. Soc., 106, 6693 (1984).

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569. L. A. Paquette, A. Varadarajan, and E .Bay, "Triplet Sensitized Photoisomerization of 1,4- Disubstituted Benzonorbornadienes. Intramolecular Competition by Electronically Diverse Bridgehead Functionality," J. Am. Chem. Soc., 106, 6702 (1984).

570. G. J. Wells, T.-H. Yan, and L. A. Paquette, "Silicon in Organic Synthesis. 24. Preparation and Selected Reactions of Functionalized 1-(Trimethylsilyl) Substituted Cyclopropanes," J. Org. Chem., 49, 3604 (1984).

571. L. A. Paquette, T.-H. Yan, and G. J. Wells, "Silicon in Organic Synthesis. 25. Thermolysis and Desilylation-Alkylation of 1-(Trimethylsilyl)cyclopropylethylenes as a Route to Spirocyclic Sesquiterpenes," J. Org. Chem., 49, 3610 (1984).

572. L. A. Paquette, "Synthetic Routes to Cyclopentanoid-Fused Unnatural and Natural Products,"Aldrichimica Acta, 17, 43 (1984).

573. L. A. Paquette, G. J. Wells, and G. Wickham, "Silicon in Organic Synthesis. 26. Expedient Synthesis of Bicyclopropylideneethane via Functionalized 1- (Trimethylsilyl)cyclopropanes," J. Org. Chem., 49, 3618 (1984).

574. C. Blankenship and L. A. Paquette, "Double Hunsdiecker Reactions. Convenient Preparation of 1,1-Dibromocyclopropane and 1,1-Dibromocyclobutane," Synth. Commun., 14, 983 (1984).

575. L. A. Paquette and C. J. Lau, "Expedient Preparation of a Highly Functionalized Diquinane Building Block," Synth. Commun., 14, 1081 (1984).

576. L. A. Paquette, C. Blankenship, and G. J. Wells, "A Method for the Generation of Electronegatively Substituted Cyclopropyl Anions under Preparatively Useful Conditions. Aldol Condensation with Carbonyl Partners," J. Am. Chem. Soc., 106, 6442 (1984).

577. P. Charumilind and L. A. Paquette, "Electronic Control of Stereoselectivity. 26. On the Inability of Fused Cyclopropane Rings to Direct the Stereochemical Course of Dienophile Capture by Tetracyclo[5.3.2.02,6.08,10]dodeca-2,5,11-triene and its Dihydro Derivatives," J. Am. Chem. Soc., 106, 8225 (1984).

578. L. A. Paquette, K. E. Green, R. Gleiter, W. Schafer, and J. C. Gallucci, "Electronic Control of Stereoselectivity. 27. The Effect of Apical Spirocyclopropane Substitution on the Stereochemical Course of Diels-Alder Cycloadditions of Norbornyl-Fused Diene Systems," J. Am. Chem. Soc. 106, 8232 (1984).

579. W. A. Kinney, M. J. Coghlan, and L. A. Paquette, "Claisen Rearrangement of 6-Alkenyl-2- methylenetetrahydropyrans. A New Approach to Annulated 4-Cyclooctenones and a Stereospecific Synthesis of Precapnelladiene," J. Am. Chem. Soc., 106, 6868 (1984).

1985

580. L. A. Paquette, J. A. Colapret, and D. R. Andrews, "An Oxyanionic [3,3] Sigmatropic Approach to the Ophiobolin Ring System," J. Org. Chem., 50, 201 (1985).

581. J. C. Gallucci, K. Ohkata, and L. A. Paquette, "The Crystal and Molecular Structure of syn- [4.4.3]Propella-2,4,12-trien-11-ol 3,5-Dinitrobenzoate," Can. J. Chem. 63, 862 (1985).

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582. L. A. Paquette, J. W. Fischer, A. R. Browne, and C. W. Doecke, "Synthesis of [4]Peristylane and Functionalized Derivatives of this Hemispherical Ring System," J. Am. Chem. Soc., 107, 686 (1985).

583. L. A. Paquette, G. DeLucca, K. Ohkata, and J. C. Gallucci, "Carbocation Behavior in Norbornyl-Fused Norbornyl Systems. The Kinetic and Chemical Consequences of Fusing Two Norbornane Units Across Framework Bonds of Various Type," J. Am. Chem. Soc., 107, 1015 (1985).

584. L. A. Paquette, J. Romine, W. Barth, and L.-Y. Hsu, "Enantiomer Recognition During Anionic Coupling of a Racemic 2-Norbornenone," Tetrahedron Lett., 26, 567 (1985).

585. S. J. Hathway and L. A. Paquette, "Electronic Control of Stereoselectivity. 21. Stereochemical Parallelism between Dienophilic Capture and Singlet Oxygenation of Isodicyclopentadiene Derivatives," Tetrahedron, 41, 2037 (1985).

586. R. A. Galemmo, Jr. and L. A. Paquette, "Contrasting Directed Aldol Reactivity of a Pair of Epimeric Trimethysilyl Enol Ethers," J. Org. Chem., 50, 1768 (1985).

587. L. A. Paquette and P. E. Wiedeman, "A Relay Approach to (+)-Pleuromutilin. I. De Novo Synthesis of a Levorotatory Tricyclic Lactone Subunit," Tetrahedron Lett., 26, 1603 (1985).

588. L. A. Paquette and P. C. Bulman-Page, "A Relay Approach to (+)-Pleuromutilin. II. Preparation of an Advanced Optically Pure Intermediate," Tetrahedron Lett., 26, 1607 (1985).

589. L. A. Paquette, P. E. Wiedeman, and P. C. Bulman-Page, "A Relay Approach to (+)- Pleuromutilin. III. Direct Degradation of the Natural Product to the Key Diketone Intermediate and its Chemospecific Functionalization," Tetrahedron Lett., 26, 1611 (1985).

590. L. A. Paquette, J. W. Fischer, and P. Engel, "Synthesis and X-Ray Crystal Structure Analysis of a Vicinally Dinitro Substituted Bishomopentaprismane," J. Org. Chem., 50, 2524 (1985).

591. W. Barth and L. A. Paquette, "Synthesis of a Representative cis/trans Pair of 4,5-Disubstituted Cyclopentenyllithium Reagents," J. Org. Chem., 50, 2438 (1985).

592. G. Wickham, G. J. Wells, L. Waykole, and L. A. Paquette, "Strain Activated 1,3-Butadienes. Synthesis and Dienic Reactivity of Bicyclobutylideneethane," J. Org. Chem., 50, 3485 (1985).

593. L. A. Paquette and T. M. Kravetz, "π-Face Stereoselection Operative during [3+4] Cycloaddition of Oxyallyl Cations to Isodicyclopentadiene," J. Org. Chem., 50, 3781 (1985).

594. G. G. Haraldsson, L. A. Paquette, and J. P. Springer, "Stereoselective Epoxidation of a 5,6,6-Trisubstituted 2-Cyclohexenone," J. Chem. Soc., Chem. Commun., 1035 (1985).

595. D. T. Belmont and L. A. Paquette, "Synthetic Studies Aimed at the Dolastanes. An Attempted A + C → ABC Approach," J. Org. Chem., 50, 4102 (1985).

596. L. A. Paquette, H. Künzer, and K. E. Green, "syn-Sesquinorbornatriene and its Quadricyclane Valence Isomer," J. Am. Chem. Soc., 107, 4788 (1985).

597. L. A. Paquette, T. M. Kravetz, and L.-Y. Hsu, "Electronic Control of Stereoselectivity. 31. π-Facial Course of Diels-Alder Cycloadditions of 10-Isopropylideneisodicyclopentadiene," J. Am. Chem. Soc.,107, 6598 (1985).

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598. J. C. Gallucci, T. M. Kravetz, K. E. Green and L. A. Paquette, "X-Ray Analysis of the Effect of Apical Substitution on the Three-Dimensional Features of Isodicyclopentafulvenes. Experimental Demonstration of Minimal Bridgehead C-H Angle Deformation Accompanying Substantial Hybridization Change at the Apical Center," J. Am. Chem. Soc., 107, 6592 (1985).

599. L. A. Paquette, K. Nakamura, and J. W. Fischer, "Synthesis of a Versatile Functionalized Tetraquinane. Convenient Access to 1,3-Bishomopentaprismanedione," Tetrahedron Lett., 26, 4051 (1985).

600. L. A. Paquette, S. J. Hathaway, and P. F. T. Schirch, "Stereochemical and Regiochemical Course of Isodicyclopentadiene-Tropone Cycloaddition Reactions," J. Org. Chem., 50, 4199 (1985).

601. L. A. Paquette, D. T. Belmont, and L.-Y. Hsu, "Regiospecific and Stereoselective Alkylation of the Octahydronaphthal-8(9)-en-3(2H)-one Nucleus," J. Org. Chem., 50, 4667 (1985).

602. W. A. Kinney, M. J. Coghlan, and L. A. Paquette, "A General Approach to Annulated 4- Cyclooctenones by Aliphatic Claisen Rearrangement. Stereospecific Total Synthesis of (±)- Precapnelladiene," J. Am. Chem. Soc., 107, 7352 (1985).

603. L. A. Paquette, W. H. Ham, and D. S. Dime, "A Formal Total Synthesis of Dactylol," Tetrahedron Lett., 26, 4983 (1985).

604. T. M. Kravetz and L. A. Paquette, "Organolithium Reagent-Promoted Conversion of a Functionalized 7-Oxanorbornane to Annulated Fulvenes. An Expedient Route to 1,7- Cyclohexenonorbornadienes," J. Am. Chem. Soc., 107, 6400 (1985).

605. L. A. Paquette, J. R. Peterson, and R. J. Ross, "Migratory Selectivity in the Ring Expansion of α,β-Unsaturated Cyclic Ketones via β-Hydroxy Selenides," J. Org. Chem., 50, 5200 (1985).

606. L. A. Paquette and R. V. C. Carr, "Phenyl Vinyl Sulfone and Sulfoxide," Org. Synth., 64, 157 (1985).

607. R. K. Hill, G. H. Morton, J. R. Peterson, J. A. Walsh, and L. A. Paquette, "Synthesis and Chiroptical Properties of 5,7-Dioxobicyclo[2.2.2]oct-2-ene and Bicyclo[2.2.2]octane-2,5- dione," J. Org. Chem., 50, 5528 (1985).

1986

608. L. A. Paquette and C. J. Lau, "Kinetic and Thermodynamic Control of Aldolization in Higher Order Polyquinane Systems," Synth. Commun., 16, 103 (1986).

609. L. A. Paquette, P. F. T. Schirch, S. J. Hathaway, L.-Y. Hsu, and J. C. Gallucci, "π-Facial Stereoselectivity Operational during Conversion of Isodicyclopentadienes to Metallocene Derivatives," Organometallics, 5, 490 (1986).

610. L. A. Paquette, S. J. Hathaway, P. F. T. Schirch, and J. C. Gallucci, "4- Dimethylaminoisodicyclopentafulvene and the 4-Methylisodicyclopentadienyl Anion as π Ligands. Stereochemical Course of their Complexation to Group 6 Transition Metal Carbonyls," Organometallics, 5, 500 (1986).

611. L. A. Paquette, T. M. Kravetz, and P. Charumilind, "The 1,7-Cyclohexenonorbornadiene System," Tetrahedron, 42, 1789 (1986). HETEROCYCLES, Vol. 62, 2004 79

612. L. A. Paquette, R. A. Galemmo, Jr., J.-C. Caille, and R. S. Valpey, "Synthetic Studies Relating to the Structure of Senoxydene. A Sequential Annulation Approach to Angular Triquinane Construction Capable of Varied Tetramethyl Substitution Patterns." J. Org. Chem., 51, 686 (1986).

613. L. A. Paquette, M. Hoppe, L. J. Johnston, and K. U. Ingold, "Configurational Characterization of the 1-(Trimethylsilyl)cyclopropyl Radical," Tetrahedron Lett., 27, 411 (1986).

614. P. J. Garratt, C. W. Doecke, J. C. Weber, and L. A. Paquette, "Intramolecular Anionic Cyclization Route to Capped [3]Peristylanes," J. Org. Chem., 51, 449 (1986).

615. L. A. Paquette, M. J. Coghlan, C. E. Cottrell, T. Irie, and H. Tanida, "Regioselectivity of Pyridine Ring Migration during Triplet-Sensitized Di-π-methane Photorearrangements of 5,8- Dihydro-5,8-methanoisoquinoline Derivatives," J. Org. Chem., 51, 696 (1986).

616. L. A. Paquette, J. Dressel, and K. L. Chasey, "Tricyclo[5.5.0.02,8]dodecatetraene," J. Am. Chem. Soc., 108, 512 (1986).

617. J. C. Gallucci, C. W. Doecke, and L. A. Paquette, "X-Ray Structure Analysis of the Pentagonal Dodecahedrane Hydrocarbon, (CH)20," J. Am. Chem. Soc., 108, 1343 (1986).

618. L. A. Paquette, "Silyl-Substituted Cyclopropanes as Versatile Synthetic Reagents," Chem. Rev., 86, 733 (1986).

619. L. A. Paquette, Y. Miyahara, and C. W. Doecke, "A Preparatively Useful Dehydrogenative Method for Dodecahedrane Synthesis," J. Am. Chem. Soc., 108, 1716 (1986).

620. L. A. Paquette, H. Künzer, K. E. Green, O. De Lucchi, G. Licini, L. Pasquato, and G. Valle, "Consequences of Fixing Three Parallel Coplanar Double Bonds in Close Proximity with Different Geometries. Synthesis and Spectral Parameters of syn- and anti- Sesquinorbornatriene," J. Am. Chem. Soc., 108, 3453 (1986).

621. H. Jendralla, K. Jelich, G. De Lucca, and L. A. Paquette, "Functionalized Polyunsaturated [4.4.4]Propellanes. Synthesis, Intra-ring Chemistry, and Backbone Rearrangements. [4.4.4]Propella-2,4,7,9,12-pentaene and its Thermal Frangibility," J. Am. Chem. Soc., 108, 3731 (1986).

622. L. A. Paquette, L. Waykole, H. Jendralla, and C. E. Cottrell, "Dual Generation of the [4.4.4]Propella-2,4,7,9,11-pentaenyl Cation. Its Threefold Wagner-Meerwein Rearrangement Cascade Leading to 4a,7-Dihydropleiadiene," J. Am. Chem. Soc., 108, 3739 (1986).

623. L. A. Paquette and M. P. Trova, "An Optically Active Cyclooctatetraene Incapable of Racemization," Tetrahedron Lett., 27, 1895 (1986).

624. L. A. Paquette and W. H. Ham, "Total Synthesis of Africanol," Tetrahedron Lett., 27, 2341 (1986).

625. L. A. Paquette and T. Sugimura, "Enantiospecific Total Synthesis of, and Absolute Configurational Assignment to (-)-Punctatin A (Antibiotic M95464)," J. Am. Chem. Soc., 108, 3841 (1986).

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626. H.-S. Lin and L. A. Paquette, "Stereochemical Course of Singlet Oxygenation of a Stereoisomeric Pair of 1,9a-Epoxydecahydro-4a,5,8a-trimethyl-2(3H)-anthracenones," Synth. Commun., 16, 1275 (1986).

627. L. A. Paquette, M. Gugelchuk, and Y.-L. Hsu, "π-Facial and Tautomeric Selectivities during Diels-Alder Capture of Isodicyclopentadienes by Highly Reactive Dienophiles," J. Org. Chem., 51, 3864 (1986).

628. D. R. St. Laurent and L. A. Paquette, "Cyclopentannulation with a 1,3-Dicarbonyl Dipole Equivalent. Synthesis of Bicyclo[3.3.0]oct-1(5)-ene-2,6-dione," J. Org. Chem., 51, 3861 (1986).

629. L. A. Paquette, H.-S. Lin, D. T. Belmont, and J. P. Springer, "Application of the α,β-Epoxy Ketone Photorearrangement to Diterpene Construction. Stereoselective Synthesis of (+)- 4aβ,10β-Doladiol Acetate," J. Org. Chem., 51, 4807 (1986).

630. L. A. Paquette, H. Künzer, and L. Waykole, "Kinetic Deuterium Isotope Effects Operative During Triplet-Sensitized [2+2] Photocyclization of syn- and anti-Sesquinorbornatrienes," Tetrahedron Lett., 27, 5803 (1986).

631. L. A. Paquette, C. J. Lau, A. R. Browne, and M. E. O'Brien, "Electrophilic Capture by "Conjugated" Bis(bicyclo[1.1.0]butanes). Site Specificity of the Initiation Step and Thermodynamic Control of the Ensuing Electronic Reorganization," J. Am. Chem. Soc., 108, 8111 (1986).

632. H. Künzer, C. E. Cottrell, and L. A. Paquette, "Quantitation of 2H/1H NMR Isotope Effects on 13C Chemical Shifts. Linear Correlations Associated with Hybridization and Charge Density Changes in Norbornenyl Systems," J. Am. Chem. Soc., 108, 8089 (1986).

633. L. A. Paquette, A. Varadarajan, and L. D. Burke, "Triplet Photoisomerization of 1-Substituted 6-Methoxybenzonorbornadienes. Excited State Competition between Bridgehead and m- Methoxy Groups for Intramolecular Control of the Dual Channel Di-π-methane Pathway. The Vinyl Deuterium Isotope Effect," J. Am. Chem. Soc., 108, 8032 (1986).

634. L. A. Paquette and K. S. Learn, "π-Facially Controlled Nucleophilic Additions of Chiral Vinylorganometallics to Chiral β,γ-Unsaturated Ketones. 1. Double Diastereoselection Studies Involving 7,7-Dimethoxy-5-norbornen-2-one," J. Am. Chem. Soc., 108, 7873 (1986).

635. L. A. Paquette and H. Künzer, "Photoinitiated Quadricyclane-Quadricyclane Rearrangements," J. Am. Chem. Soc., 108, 7431 (1986).

636. I. Santos, D. W. Balogh, C. W. Doecke, A. G. Marshall, and L. A. Paquette, "Gas-Phase Basicities of Cubane, Dodecahedrane, Methyl- and 1,16-Dimethyldodecahedrane as Measured by Fourier Transformation Ion Cyclotron Resonance Mass Spectrometry," J. Am. Chem. Soc., 108, 8183 (1986).

637. M. L. McLaughlin, J. A. McKinney, and L. A. Paquette, "Efficient Preparation of Homochiral Bicyclo-Annulated Cyclopentadienes via the Skattebøl Rearrangement. Avoidance of Limitations due to Angle Strain," Tetrahedron Lett., 27, 5595 (1986).

638. L. A. Paquette, J. A. McKinney, M. L. McLaughlin, and A. L. Rheingold, "Transition Metal Complexation of Optically Pure Annulated Cyclopentadienes. Face Selectivity, Three- Dimensional Structural Features, and Utilization for Asymmetric Hydrogenation," Tetrahedron Lett., 27, 5599 (1986). HETEROCYCLES, Vol. 62, 2004 81

639. J. F. Liebman, L. A. Paquette, J. R. Peterson, and D. W. Rogers, "Is Triquinacene Homoaromatic? A Thermochemical Answer in the Affirmative," J. Am. Chem. Soc., 108, 8267 (1986).

640. T.-Z Wang and L. A. Paquette, "Photochemical Route to a Representative 1,8-Annulated 7- Methylene-1,3,5-cyclooctatriene," J. Org. Chem., 51, 5232 (1986).

641. L. A. Paquette, K. Nakamura, and P. Engel, "Synthesis of Hexacyclo[5.4.1.02,6.03,10.04,8.09,12]dodecane-5,11-dione and its Conversion to Di-, Tri-, and Tetranitro-1,3-bishomopentaprismanes," Chem. Ber., 119, 3782 (1986).

642. P. Engel, J. C. Weber, and L. A. Paquette, "The Crystal and Molecular Structure of endo,endo-2,6-Diphenacyl[4]peristylane," Z. Kristallogr., 177, 229 (1986).

1987

643. J. C. Gallucci, B. Gautheron, M. Gugelchuk, P. Meunier, and L. A. Paquette, "Bis(isodicyclopentadienyl) Complexes as the Group 4 Transition Metals. Stereoselective Synthesis and Crystal Structures of the Titanocene and Zirconocene Dichloride Derivatives," Organometallics, 6, 15 (1987).

644. L. A. Paquette, J. L. Romine, and H.-S. Lin, "Diastereoselective π-Facially Controlled Nucleophilic Additions of Chiral Vinylorganometallics to Chiral β,γ-Unsaturated Ketones. 2. A Practical Method for Stereocontrolled Elaboration of the Decahydro-as-Indacene Subunit of Ikarugamycin," Tetrahedron Lett., 28, 31 (1987).

645. L. A. Paquette, A. G. Schaefer, and J. P. Springer, "Synthesis of (±)-14-Epiupial by Manganese(III) γ-Lactone Annulation," Tetrahedron, 43, 5567 (1987).

646. L. A. Paquette and Y. Miyahara, "Directed Alkyl Substitution of the Dodecahedrane Nucleus. The 1,4-Dimethyl, 1,6-Dimethyl, and 1,4,16-Trimethyl Derivatives. Indanododecahedrane by Stepwise Dehydrogenation of a Benzylated Seco Derivative," J. Org. Chem., 52, 1265 (1987).

647. L. A. Paquette, K. S. Learn, and J. L. Romine, "Double Diastereoselection Operative during π-Facially Selective Addition of Chiral 1-Cyclopentenyllithium Reagents to (7R*)-7-Methyl-7- vinylbicyclo[3.2.0]hept-2-en-6-one," Synth. Commun., 17, 1141 (1987).

648. T. Sugimura and L. A. Paquette, "Enantiospecific Total Synthesis of the Sesquiterpene Antibiotics (-)-Punctatin A and (+)-Punctatin D," J. Am. Chem. Soc., 109, 3017 (1987).

649. L. A. Paquette and W. H. Ham, "Total Synthesis of the Marine Sesquiterpenes Dactylol and Africanol. de novo Construction of a Cyclooctanoid Natural Product from Cycloheptane Precursors," J. Am. Chem. Soc., 109, 3025 (1987).

650. C. Xu, J. Clardy, R. V. C. Carr, H. Künzer, K. Nakamura, and L. A. Paquette, "Crystallographic Analysis of Structural Effects Associated with Symmetrical 1,3-Bridging of Five-Membered Rings by Carbonyl Spacers," Tetrahedron, 43, 2909 (1987).

651. D. G. Cleary and L. A. Paquette, "Cycloaddition of the Trimethylenemethane-Palladium Complex to Activated Six-Membered and Medium-Ring Enones," Synth. Commun., 17, 497 (1987).

652. J. Dressel and L. A. Paquette, "Tricyclo[5.3.0.02,8]deca-3,5,9-triene," J. Am. Chem. Soc., 109, 2857 (1987). 82 HETEROCYCLES, Vol. 62, 2004

653. L. A. Paquette, H.-S. Lin, and J. C. Gallucci, "Preparation and X-Ray Crystal Structure Analysis of a Stable Trimethylsilyloxy Epoxide," Tetrahedron Lett., 28, 1363 (1987).

654. L. A. Paquette, T.-Z. Wang, and C. E. Cottrell, "Flattening of the Cyclooctatetraene Ring By Annulation," J. Am. Chem. Soc., 109, 3730 (1987).

655. L. A. Paquette and C. J. Lau, "An Example of Spontaneous Resolution by Sublimation," J. Org. Chem., 52, 1634 (1987).

656. L. Waykole and L. A. Paquette, "Synthesis of [4.4.4]Propellahexaene," J. Am. Chem. Soc., 109, 3174 (1987).

657. L. A. Paquette, K. S. Learn, and J. L. Romine, "Doubly Diastereoselective Nucleophilic Additions to a Bicyclic β,γ-Unsaturated Ketone Possessing a Conformationally Mobile Double Bond," Tetrahedron, 43, 4989 (1987).

658. L. A. Paquette and A. M. Doherty, "Polyquinane Chemistry. Synthesis and Reactions," Springer-Verlag, Heidelberg, 1987.

659. L. A. Paquette and L. D. Burke, "Triplet-State Benzonorbornadiene Di-π-methane Photorearrangements. Competition between Bridgehead and Vinyl Substituents for Control of the Product-Determining 1,2-Aryl Shift Step," J. Org. Chem., 52, 2674 (1987).

660. L. A. Paquette, F. Pierre, and C. E. Cottrell, "Anionic Rearrangements of syn- and anti-7- Cyclopentenyl-7-hydroxynorbornenes. The Case for Sequential Ring Cleavage and Intramolecular Michael Additions," J. Am. Chem. Soc., 109, 5731 (1987).

661. L. A. Paquette, L. D. Burke, T. Irie, and H. Tanida, "Control by Pyridine Nitrogen of the Dual-Channeled Triplet State Di-π-methane Photorearrangement of 5,8-Dihydro-5,8- methanoquinoline Systems," J. Org. Chem., 52, 3246 (1987).

662. L. A. Paquette and U. S. Racherla, "Synthesis of the Parent 1,7-Cyclohexenonorbornadiene and its Quadricyclane Valence Tautomer," J. Org. Chem., 52, 3250 (1987).

663. L. A. Paquette, J. Wright, G. J. Drtina, and R. A. Roberts, "Enantiospecific Total Synthesis of Natural (-)-Retigeranic Acid A and Two (-)-Retigeranic Acid B Candidates," J. Org. Chem., 52, 960 (1987).

664. L. A. Paquette and M. P. Trova, "Belting of the Cyclooctatetraene Ring Across the Transannular 1- and 5-Positions," Tetrahedron Lett., 28, 2795 (1987); errata p 4354.

665. L. B. Knight, C. A. Arrington, B. W. Gregory, S. T. Cobranchi, S. Liang, and L. A. + Paquette, "ESR Investigation of the Cubane Radical Cation (C8H8 ) in Neon Matrices at 4K," J. Am. Chem. Soc., 109, 5521 (1987).

666. L. A. Paquette, J. P. Gilday, and C. S. Ra, "Haller-Bauer Cleavage of Open-Chain and Cyclic α-Phenyl Ketones Proceeds with Retention of Configuration," J. Am. Chem. Soc., 109, 6858 (1987).

667. H. Künzer, E. Litterst, R. Gleiter, and L. A. Paquette, "Physico-Chemical Studies of Doubly- and Triply-Unsaturated syn- and anti-Sesquinorbornanes. Photoelectron Spectroscopy, Molecular Orbital Calculations, and Deuterium-Induced 13C NMR Shifts," J. Org. Chem., 52, 4740 (1987).

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668. L. A. Paquette, M. L. Gugelchuk, and M. L. Mclaughlin, "Homochiral Pinene-Fused Cyclopentadienes. Synthesis and π-Facially Selective Course of Diels-Alder Cycloadditions and Metallocene Formation," J. Org. Chem., 52, 4732 (1987).

669. L. A. Paquette and T. Kobayashi, "Unusual Course of the Chromate Oxidation of Secododecahedrene and its Monoepoxide," Tetrahedron Lett., 28, 3531 (1987).

670. L. A. Paquette, J. Dressel, and P. D. Pansegrau, "9,10-Dimethylenetricyclo[5.3.0.02,8]deca- 3,5-diene," Tetrahedron Lett., 28, 4965 (1987).

671. L. A. Paquette, R. J. Ross, "Ingenane Synthetic Studies. Stereocontrolled Introduction of All Oxygenated and Unsaturated Centers in an Ingenol Prototype," J. Org. Chem., 52, 5497 (1987).

672. L. A. Paquette, H.-S. Lin, and M. J. Coghlan, "Total Synthesis of (±)-Sterpuric Acid," Tetrahedron Lett., 28, 5017 (1987).

673. J. A. Oplinger and L. A. Paquette, "Synthesis of the Forskolin Skeleton via Anionic Oxy-Cope Rearrangement," Tetrahedron Lett., 28, 5441 (1987).

674. L. A. Paquette, "Stereochemical and Reactivity Patters in Silyl-Substituted Cycloalkanes and Acyclic Analogues," in "Silicon Chemistry," J. Y. Corey, E. R. Corey, and P. P. Gaspar, Eds., Ellis Horwood Publishers, 1987, 3-14.

1988

675. L. A. Paquette, "Regenerative Carbonyl Reactions. Diastereoselectivity Considerations with Applications to Natural Product Synthesis," in "Organic Synthesis: Modern Trends," O. Chizhov, Ed., Blackwell Scientific Publications, 1988, 1-12.

676. L. A. Paquette, C. J. Lau, and R. D. Rogers, "Uni- and Bi-particulate Electrophilic Additions to Conjugated Bis(bicyclo[1.1.0]butanes)," J. Am. Chem. Soc., 110, 2592 (1988).

677. L. A. Paquette and M. Gugelchuk, "Modulation of π-Facial Selectivity in Diels-Alder Cycloaddition to Isodicyclopentafulvenes by Remote p-Substitution on an Exocyclic Phenyl Group," J. Org. Chem., 53, 1835 (1988).

678. L. A. Paquette, M. E. Okazaki, and J.-C. Caille, "A Formal Total Synthesis of (±)- Laurenene," J. Org. Chem., 53, 477 (1988).

679. L. A. Paquette, K. S. Learn, J. L. Romine, and H.-S. Lin, "Molecular Recognition during 1,2-Addition of Chiral Vinyl Organometallics to Chiral β,γ-Unsaturated Ketones. Case Studies of Three 7,7-Disubstituted 2-Norbornenones," J. Am. Chem. Soc., 110, 879 (1988).

680. L. A. Paquette, D. T. DeRussy, and C. E. Cottrell, "Kinetic Resolution during Condensation of Chiral (Racemic) Cyclopentenyllithiums with (R)-(-)-Isopiperitenone. A Short Route to Optically Active Germacranolides," J. Am. Chem. Soc., 110, 890 (1988).

681. L. A. Paquette, J. C. Weber, and T. Kobayashi, "Chemical Properties of Dodecahedrane. Monofunctionalization Reactions," J. Am. Chem. Soc., 110, 1303 (1988).

682. G. A. Olah, G. K. Suyra Prakash, T. Kobayashi, and L. A. Paquette, "Chemical Properties of Dodecahedrane. The Dodecahedryl Cation and 1,16-Dodecahedryl Dication. Regioselective Difunctionalization of the Sphere," J. Am. Chem. Soc., 110, 1304 (1988). 84 HETEROCYCLES, Vol. 62, 2004

683. L. A. Paquette, J. P. Gilday, C. S. Ra, And M. Hoppe, "Optically Enriched Alkyltrimethylsilanes by Haller-Bauer Cleavage of Optically Active, Non-Enolizable α-Silyl Phenyl Ketones," J. Org. Chem., 53, 704 (1988).

684. M.-A. Poupart and L. A. Paquette, "Conformational Consequences of Intramolecular Cyclopropanation within Small Bicyclic Systems. Synthesis and Desymmetrization of 1- Methyltricyclo[2.2.2.02,6]octane-3,5-dione," Tetrahedron Lett., 29, 269 (1988).

685. L. A. Paquette and M.-A. Poupart, "Rapid Construction of the Tetracyclic Nucleus of Cerorubenic Acid-III by Oxyanionic Cope Chemistry," Tetrahedron Lett., 29, 273 (1988).

686. L. A. Paquette, D. T. DeRussy, and R. D. Rogers, "On Possible Redirection of the Course of Anionic Oxy-Cope Rearrangements," Tetrahedron, 44, 3139 (1988).

687. T.-Z. Wang and L. A. Paquette, "A Convenient Route to 1,3-Cyclooctatetraenophanes," Tetrahedron Lett., 29, 41 (1988).

688. L. A. Paquette, P. E. Wiedeman, and P. C. Bulman-Page, "(+)-Pleuromutilin Synthetic Studies. Degradative and de novo Acquisition of a Levorotatory Tricyclic Lactone Subunit," J. Org. Chem., 53, 1441 (1988).

689. L. A. Paquette, P. C. Bulman-Page, P. D. Pansegrau, and P. E. Wiedeman, (+)-Pleuromutilin Synthetic Studies. Direct Degradation to and Independent Preparation of, an Advanced Diketone Intermediate. Demonstration that Reconstruction of the Eight-Membered Ring Suffers from Serious Kinetic Retardation," J. Org. Chem., 53, 1450 (1988).

690. L. A. Paquette, P. D. Pansegrau, P. E. Wiedeman, and J. P. Springer, "(+)-Pleuromutilin Synthetic Studies. Examples of Intramolecular Hydrogen Abstraction by the β-Carbon of a 2-Cyclopentenone Subunit with Resultant α-Coupling," J. Org. Chem., 53, 1461 (1988).

691. L. A. Paquette, T. Kobayashi, and J. C. Gallucci, "Cycloropanation of Spherical Hydrocarbons without Need for Prior Olefination," J. Am. Chem. Soc., 110, 1305 (1988).

692. L. M. Waykole, C.-C. Shen, and L. A. Paquette, "Synthesis of Nitro Derivatives of [4]Peristylane Having High Density Characteristics," J. Org. Chem., 53, 4969 (1988).

693. C. Blankenship, G. J. Wells, and L. A. Paquette, "Desilylative Condensation Reactions of Electronegatively Substituted 1-(Trimethylsilyl)cyclopropanes," Tetrahedron, 44, 4023 (1988).

694. L. A. Paquette and J. A. Oplinger, "Synthesis of a Structurally Modified Glycal. (-)-(2R,4S)- 2-Methyl-2-vinyl-4-benzyloxy-3,4-dihydro-2H-pyran," J. Org. Chem., 53, 2953 (1988).

695. J. Dressel, K. L. Chasey, and L. A. Paquette, "Through-Bond Interaction via Cyclobutane Relay Orbitals as a Means of Extending Conjugation. Synthesis of Tricyclo[5.5.0.02,8]dodeca-tetraene, Tricyclo[5.3.0.02,8]deca-3,5,9-triene, and 9,10- Dimethylenetricyclo[5.3.0.02,8]deca- 3,5-diene," J. Am. Chem. Soc., 110, 5479 (1988).

696. R. Gleiter, A. Toyota, P. Bischof, G. Krennrich, J. Dressel, P. D. Pansegrau, and L. A. Paquette, "Photoelectron Spectroscopic Analysis of Through-Bond Interaction via Cyclobutane Relay Orbitals. Evidence for Strong Relay Conjugation in Tricyclo[5.5.0.02,8]dodecatetraene," J. Am. Chem. Soc., 110, 5490 (1988).

697. K. Nakamura, C. Vanucci, and L. A. Paquette, "Consequences of Twofold Bridging on the [10]Annulene System as in cis-10,11-Dihydrodicyclopenta[cd,gh]pentalene," J. Org. Chem., 53, 2657 (1988). HETEROCYCLES, Vol. 62, 2004 85

698. J. Wright, G. J. Drtina, R. A. Roberts, and L. A. Paquette, "A Convergent Synthesis of Triquinane Sesquiterpenes. Enantioselective Synthesis of (-)-Retigeranic Acid A," J. Am. Chem. Soc., 110, 5806 (1988).

699. L. A. Paquette, H.-S. Lin, B. P. Gunn, and M. J. Coghlan, "Sequential Annulation Approach to Sterpuric Acid and Sterpurene-3,12,14-triol, Metabolites of the Silver Leaf Fungus Stereum purpureum," J. Am. Chem. Soc., 110, 5818 (1988).

700. L. A. Paquette, R. J. Ross, and J. P. Springer, "Stereocontrolled Construction of an Ingenol Prototype Having a Complete Array of Oxygenated and Unsaturated Centers," J. Am. Chem. Soc., 110, 6192 (1988).

701. D. A. Lightner, L. A. Paquette, P. Chayangkoon, H.-S. Lin, and J. R. Peterson, "Synthesis 2 and Chiroptical Properties of (1S)-[2,5- H2]-Bicyclo[2.2.2]-octa-2,5,7-triene (2,5- Dideureriobarrelene)," J. Org. Chem., 53, 1969 (1988).

702. J. Dressel, P. D. Pansegrau, and L. A. Paquette, "Response of Tricyclo[5.5.0.02,8]dodeca- tetraene, Tricyclo[5.3.0.02,8]deca-3,5,9-triene, and 9,10-Dimethylenetricyclo[5.3.0.02,8]deca- 3,5-diene to Thermal and Photochemical Activation," J. Org. Chem., 53, 3996 (1988).

703. L. A. Paquette and T.-Z. Wang "The First Cyclooctatetraene to which Bond Shifting is More Accessible than Ring Inversion," J. Am. Chem. Soc., 110, 3663 (1988).

704. L. A. Paquette, H. Künzer, and M. A. Kesselmayer, "Capacity of Quadricyclane Frameworks Related to syn-Sesquinorbornatriene for Excited State Rearrangement," J. Am. Chem. Soc., 110, 6521 (1988).

705. J. P. Gilday and L. A. Paquette, "Stabilized Carbanions by Alkyllithium-Induced Decarboxylation of Non-Enolizable Carboxylic Acids. An Anionic Equivalent to the Hunsdiecker Reaction," Tetrahedron Lett., 29, 4505 (1988).

706. L. A. Paquette and C.-C. Shen, "Extended Functionalization of the Fluted [4]Peristylane Perimeter," Tetrahedron Lett., 29, 4069 (1988).

707. L. A. Paquette, L. Waykole, C.-C. Shen, U. S. Racherla, R. Gleiter, and E. Litterst, "Alkylidene Derivatives of syn-Sesquinorbornatriene. 13C NMR and Theoretical Analysis of Homoconjugative Orbital Interaction," Tetrahedron Lett., 29, 4213 (1988).

708. L. A. Paquette, K. J. Moriatry, P. Meunier, B. Gautheron, and V. Crocq, "Stereocontrolled Bifacial Complexation of the Isodicyclopentadienyl Ligand to Cyclopentadienyltitanium Dichloride Fragments," Organometallics, 7, 1873 (1988).

709. L. Waykole and L. A. Paquette, "Ethynyl p-Tolyl Sulfone," Org. Synth., 67, 149 (1988).

710. H.-S. Lin, M. J. Coghlan, and L. A. Paquette, "Dienophile Activation via Selenosulfonation: 1-(Benzenesulfonyl)cyclopentene," Org. Synth., 67, 157 (1988).

711. H. S. Lin and L. A. Paquette, "Reductive Annulation of Vinyl Sulfones: Bicyclo[4.3.0]non-1- en-4-one," Org. Synth., 67, 163 (1988).

712. L. A. Paquette, M. A. Kesselmayer, and H. Künzer, "Comparative Analysis via Secondary Deuterium Isotope Effects of Transition State Structural Features Associated with Cycloadditions to Norbornadiene[2π+2π+2π] and Quadricyclane[2σ+2σ+2π]," J. Org. Chem., 53, 5183 (1988). 86 HETEROCYCLES, Vol. 62, 2004

713. J. C. Weber and L. A. Paquette, "Synthesis of Amino-Substituted Dodecahedranes, Secododecahedranes, and Homododecahedranes, and their Antiviral Relationship to 1- Aminoadamantane," J. Org. Chem., 53, 5315 (1988).

714. L. A. Paquette and T.-Z. Wang, "Dynamic Behavior of 1,2-Annulated Cyclooctatetraenes. Kinetic Analysis of Transition State Steric Congestion Involving Neighboring Alicyclic Substituents," J. Am. Chem. Soc., 110, 8192 (1988).

715. L. A. Paquette and M. P. Trova, "Dynamic Properties of Chiral Cyclooctatetraenes. Total Inhibition of the Racemization Process by 1,4-Annulation," J. Am. Chem. Soc., 110, 8197 (1988).

716. L. A. Paquette and J. P. Gilday, "Cleavage of Carbon-Carbon Bonds with High Stereochemical Control. IV. Base-Induced Cleavage of Optically Active Non-Enolizable Benzylic Ketones," J. Org. Chem., 53, 4972 (1988).

717. L. A. Paquette and C. S. Ra, "Cleavage of Carbon-Carbon Bonds with High Stereochemical Control. V. Course of the Haller-Bauer Reaction of Cyclic α-Phenyl Ketones," J. Org. Chem., 53, 4978 (1988).

718. L. A. Paquette, T. Kobayashi, and M. A. Kesselmayer, "The Degenerate 21- Homododecahedryl Cation," J. Am. Chem. Soc., 110, 6568 (1988).

719. L. A. Paquette, J. C. Weber, T. Kobayashi, and Y. Miyahara, "Dodecahedrane. Improved Synthetic Access to, and Monofunctionalization of, the Spherical Hydrocarbon. Spectral Properties of the Derivatives," J. Am. Chem. Soc., 110, 8591 (1988).

720. G. A. Olah, G. K. Suyra Prakash, W.-D. Fessner, T. Kobayashi, and L. A. Paquette, "The Dodecahedryl Cation and 1,16-Dodecahedryl Dication. 1H and 13C NMR Spectroscopic Studies and Theoretical Investigations," J. Am. Chem. Soc., 110, 8599 (1988).

1989

721. N. L. Allinger, H. J. Geise, W. Pyckhout, L. A. Paquette, and J. C. Gallucci, "On the Structures of Norbornane and Dodecahedrane by Molecular Mechanics Calculations," J. Am. Chem. Soc., 111, 1106 (1989).

722. J. C. Gallucci, R. T. Taylor, T. Kobayashi, J. C. Weber, J. Krause, and L. A. Paquette, "X- Ray Crystallographic Analysis of the Structural Distortions Induced by Substitution and Annulation of the Dodecahedrane Nucleus," Acta Crystalogr., C45, 893 (1989).

723. L. A. Paquette and J. Dressel, "Through-Bond Conjugation via Cyclobutane Relay Orbitals as a Means of Extending Conjugation," in Strain and Its Implications in Organic Chemistry", A. deMeijere and S. Blechert, Ed., Kluwer Academic Publ., 1989, 77.

724. L. A. Paquette, "Dodecahedranes and Allied Spherical Molecules," Chem. Rev., 89, 1051 (1989).

725. L. A. Paquette and M. L. McLaughlin, "Cyclopentadiene Annulation via the Skattebøl Rearrangement: (1R)-9,9-Dimethyltricyclo[6.1.1.02,6]deca-2,5-diene," Org. Synth., 68, 220 (1989).

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726. J. P. Gilday, J. C. Gallucci, and L. A. Paquette, "Cleavage of Carbon-Carbon Bonds with High Stereochemical Control. VI. Asymmetric Synthesis of Chiral C-Centered Organosilanes by Haller-Bauer Cleavage of Optically Active, Non-Enolizable α-Silyl Phenyl Ketones," J. Org. Chem., 54, 1399 (1989).

727. L. A. Paquette, G. Maynard, C. S. Ra, and M. Hoppe, "Cleavage of Carbon-Carbon Bonds with High Stereochemical Control. VII. Chiral α-Silyl Benzoylcycloalkanes Undergo Base-Catalyzed Cleavage with Retention of Configuration when not Sterically Congested," J. Org. Chem., 54, 1408 (1989).

728. L. A. Paquette and J. A. Oplinger, "Limitations in the Application of Anionic Oxy-Cope Sigmatropy to Elaboration of the Forskolin Nucleus," Tetrahedron, 45, 107 (1989).

729. L. A. Paquette, C. S. Ra, and T. W. Silvestri, "Free Radical Cyclization Approach to a Functionalized [3]Peristylane," Tetrahedron, 45, 3099 (1989).

730. M. Gugelchuk and L. A. Paquette, "Can Electron Transmission from Aza-Crown Ethers Contribute to Diels-Alder π-Facial Selectivity?," Israel J. Chem., 29, 165 (1989).

731. L. A. Paquette, J. Reagan, S. L. Schreiber, and C. A. Teleha, "Intramolecular SN' Cleavage of Allylic Ethers by Enolate Anions," J. Am. Chem. Soc., 111, 2331 (1989).

732. L. A. Paquette, C. Vanucci, and R. D. Rogers, "Stereochemical Course of Diels-Alder Cycloadditions to (Hydroxymethyl)-Substituted Plane-Nonsymmetric Cyclopentadienes," J. Am. Chem. Soc., 111, 5792 (1989).

733. L. A. Paquette, K. J. Moriarty, P. Meunier, B. Gautheron, C. Sornay, R. D. Rogers, and A. L. Rheingold, "Stereochemical Course of π-Face Coordination to Isodicyclopentadiene during Formation of Mixed Titanocene and Zirconocene Dichloride Complexes," Organometallics, 8, 2159 (1989).

734. L. A. Paquette, K. J. Moriarty, J. A. McKinney, and R. D. Rogers, "Analysis of the π- Facial Preference for Complexation of a Camphor-Derived, Enantiomerically Pure Cyclopentadienyl Ligand to CpMCl2 Fragments (M = Ti and Zr)," Organometallics, 8, 1707 (1989).

735. L. A. Paquette, K. J. Moriarty, and R. D. Rogers, "(1R)-(-)-Nopol as the Source of an Optically Pure Fused Cyclopentadienyl Ligand. Stereochemical Course of Complexation to Cyclopentadienyltitanium and -zirconium Dichloride Fragments," Organometallics, 8, 1506 (1989).

736. K. J. Moriarty, R. D. Rogers, and L. A. Paquette, "Stereoselective Formation from a (1S,5S)- (-)-Verbenone-Derived Cyclopentadiene of Dimeric and Mixed Titanium and Zirconium Dichloride Complexes," Organometallics, 8, 1512 (1989).

737. L. A. Paquette, D. T. DeRussy, and J. C. Gallucci, "A Model for Diastereomer Differentiation During 1,2-Addition of Chiral Cyclopentenyl Organometallics to [4.2.0]Bicyclic Enones Carrying Exocyclic β,γ-Double Bonds," J. Org. Chem., 54, 2278 (1989).

738. L. A. Paquette, W. He, and R. D. Rogers, "Comparative Analysis of Molecular Recognition Levels Attained during Capture of Chiral Cyclopentenyl Organometallics by Conformationally Immobilized Ketonic Systems," J. Org. Chem., 54, 2291 (1989).

739. L. A. Paquette, C.-C. Shen, and J. A. Krause, "A Shelf-Stable syn-Sesquinorbornatriene. An Extreme Example of a Crystallographically Determined π-Pyramidalization Angle," J. Am. Chem. Soc., 111, 2351 (1989). 88 HETEROCYCLES, Vol. 62, 2004

740. C.-C. Shen and L. A. Paquette, "Impact of a Basal Nitro Group on the Density Characteristics of Select [4]Peristylane Derivatives," J. Org. Chem., 54, 3324 (1989).

741. L. A. Paquette, C.-C. Shen, and P. Engel, "Protocol for Multiple Functionalization of the [4]Peristylane Perimeter. Density Relationships between the 2,4,6-Trione, 2,4,6,8-Tetraone, and Related Isopropylidene Congeners," J. Org. Chem., 54, 3329 (1989).

742. L. A. Paquette, D. T. DeRussy, N. A. Pegg, R. T. Taylor, and T. M. Zydowsky, "Direct Oxygenation of Enolates Generated by Anionic Oxy-Cope Rearrangement. Expedient Preparation of Polycyclic α-Hydroxy Ketones," J. Org. Chem., 54, 4576 (1989).

743. F. Gerson, G. Gescheidt, S. F. Nelsen, L. A. Paquette, M. F. Teasley, and L. Waykole, "Spin Distributions and Geometries of the Radical Cations of Sesquinorbornenes and Other Polycyclic Tetraalkylethylenes," J. Am. Chem. Soc., 111, 5518 (1989).

744. L. A. Paquette, T. Kobayashi, M. A. Kesselmayer, and J. C. Gallucci, "Small Ring Annulation and Ring Expansion of the Dodecahedrane Framework. Homododecahedranone and the 21-Homododecahedryl Cation," J. Org. Chem., 54, 2921 (1989).

745. L. A. Paquette, G. A. O'Doherty, B. L. Miller, R. D. Rogers, A. L. Rheingold, and S. L. Geib, "Stereochemically Uniform Mode of Iron Carbonyl Complexation to Spirocyclic Isodicyclopentadienes," Organometallics, 8, 2167 (1989).

746. J. P. Kiplinger, F. R. Tollens, A. G. Marshall, T. Kobayashi, D. R. Lagerwall, L. A. Paquette, and J. E. Bartmess, "Measurement of the Double Bond Strain Energy in Dodecahedrene by Thermochemical Bracketing of Gas-Phase Ion-Molecule Reactions," J. Am. Chem. Soc., 111, 6914 (1989).

747. R. T. Taylor, M. W. Pelter, and L. A. Paquette, "Domino Diels-Alder Reaction: 3,3a,3b,4,6a,7a-Hexahydro-3,4,7-metheno-7H-cyclopenta[a]pentalene-7,8-dicarboxylic Acid," Org. Synth., 68, 198 (1989).

748. L. A. Paquette, J. P. Gilday, and G. D. Maynard, "Intramolecular Nucleophilic Addition to Unsaturated Carbon. Dependence of Cyclization Efficiency on the Method of Carbon-Carbon Bond Cleavage Utilized to Generate the Reactive Species," J. Org. Chem., 54, 5044 (1989).

749. L. A. Paquette and G. D. Maynard, "Ring and C-O Bond Fragmentation as Tools for Fingerprinting the Extent of Homolysis during Base-Catalyzed Carbon-Carbon Bond Cleavages of the Haller-Bauer, Cram, and Gilday Type," J. Org. Chem., 54, 5054 (1989).

750. D. L. Cheney and L. A. Paquette, "Studies Directed Toward the Total Synthesis of Trixikingolide. Analysis of the Capacity for Transannular Carbon-Carbon Bond Formation in Various Bi- and Tricyclic Intermediates," J. Org. Chem., 54, 3334 (1989).

751. L. A. Paquette and P. Galatsis, "Functional Group Manipulation Along the Perimeter of a Hemispherical Molecule. Synthesis of Dihydro- and Tetrahydro-C16-hexaquinacene," J. Org. Chem., 54, 5039 (1989).

752. L. A. Paquette, D. Macdonald, L. G. Anderson, and J. Wright, "A Triply Convergent Enantioselective Total Synthesis of (+)-Ikarugamycin," J. Am. Chem. Soc., 111, 8037 (1989).

753. L. A. Paquette and G. Ladouceur, "Synthetic Studies Targeted at the Cytotoxic 8,9-Seco-ent- Kaurene Diterpenes. Concise, Complementarily Stereocontrolled Construction of the Bridgehead Olefin Core," J. Org. Chem., 54, 4278 (1989).

HETEROCYCLES, Vol. 62, 2004 89

754. H. Irngartinger, J. Deuter, P. Charumilind, and L. A. Paquette, "Electron Density Distribution in the Olefinic Double Bond between Pyramidalized Carbon Atoms of a syn- Sesquinorbornene," J. Am. Chem. Soc., 111, 9236 (1989).

755. L. A. Paquette and Y.-J. Shi, "Stereocontrolled Construction of Hydroazulenones by Sequential Anionic Oxy-Cope Rearrangement - SN' Allylic Ether Displacement," J. Org. Chem., 54, 5205 (1989).

756. F. A. L. Anet, R. Anet, M. P. Trova, and L. A. Paquette, "Dynamics of Seven- and Eight- Membered 1,5-Cycloalkane-Fused Semibullvalene Derivatives," Tetrahedron Lett., 30, 6469 (1989).

1990

757. L. A. Paquette, M. P. Trova, J. Luo, A. E. Clough, and L. B. Anderson, "Synthesis and Dynamic Behavior of (1,5)Cyclooctatetraenophanes. Effect of Distal Atom Bridging on Racemization Rates and Electrochemical Reducibility," J. Am. Chem. Soc., 112, 228 (1990).

758. L. A. Paquette, T.-Z. Wang, J. Luo, C. E. Cottrell, A. E. Clough, and L. B. Anderson, "Is Pseudorotation the Operational Pathway for Bond Shifting Within [8]Annulenes? Probe of Planarization Requirements by 1,3-Annulation of the Cyclooctatetraene Ring. Kinetic Analysis of Racemization, and 2D NMR Quantitation of π-Bond Alternation and Ring Inversion as a Function of Polymethylene Chain Length," J. Am. Chem. Soc., 112, 239 (1990).

759. L. A. Paquette, C. A. Teleha, R. T. Taylor, G. D. Maynard, R. D. Rogers, J. C. Gallucci, and J. P. Springer, "Boat/Chair Topographic Stereoselection during Anionic Oxy-Cope Rearrangement of 1-Alkenyl-2-cyclopentenyl endo-Norbornanols," J. Am. Chem. Soc., 112, 265 (1990).

760. L. A. Paquette, N. A. Pegg, D. Toops, G. D. Maynard, and R. D. Rogers, "[3.3] Sigmatropy Within 1-Vinyl-2-alkenyl-7,7-dimethyl exo-Norbornan-2-ols. The First Atropselective Oxyanionic Cope Rearrangement," J. Am. Chem. Soc., 112, 277 (1990).

761. L. A. Paquette, M. A. Kesselmayer, and R. D. Rogers, "Quantitation of Proximity Effects on Rate. A Case Study Involving Dyotropic Hydrogen Migration Within syn-Sesquinorbornene Disulfones Carring Central Substituents Having Different Spatial Demands," J. Am. Chem. Soc., 112, 284 (1990).

762. L. A. Paquette, "The [n]Peristylane-Polyhedrane Connection," in "Cage Hydrocarbons", G. A. Olah, Ed., John Wiley and Sons, Inc., 1990, pp 313-352.

763. L. A. Paquette and C.-C. Shen, "Synthesis, Static Structure, and Kinetic Stability of a syn- Sesquinorbornatriene," J. Am. Chem. Soc., 112, 1159 (1990).

764. M. R. Sivik, J. C. Gallucci, and L. A. Paquette, "Crystal Structure Analysis of an Osmium(VI) Bisglycolate Produced by Reaction of a Sterically Hindered Chiral Nonracemic Alkene with Osmium Tetroxide," J. Org. Chem., 55, 391 (1990).

765. L. A. Paquette, D. E. Lawhorn, and C. A. Teleha, "Response of 2-Lithio-4,5-Dihydrofuran -- Ketone Adducts to Acid Catalysis," Heterocycles, 30, 765 (1990).

90 HETEROCYCLES, Vol. 62, 2004

766. L. A. Paquette, S. Liang, L. Waykole, G. DeLucca, H. Jendralla, R. D. Rogers, D. Kratz, and R. Gleiter,. "[4.4.4]Propellahexaene by Triple Shapiro Degradation. Structural and Electronic Properties of this Maximally Unsaturated Hydrocarbon and Consequences of O- Methylation of its [4.4.4]Propellatrienetrione Precursors," J. Org. Chem., 55, 1598 (1990).

767. L. A. Paquette and M. A. Kesselmayer, "[22](1,5)Cyclooctatetraenophane," J. Am. Chem. Soc., 112, 1258 (1990).

768. J. P. Gilday and L. A. Paquette, "Carbon-Carbon Bond Cleavage by the Haller-Bauer and Related Reactions," Org. Prep. Proc. Int., 22, 169 (1990).

769. L. A. Paquette, R. J. Ross, and Y.-J. Shi, "Regioselective Routes to Nucleophilic Optically Active 2- and 3-Carene Systems," J. Org. Chem., 55, 1589 (1990).

770. L. A. Paquette, D. T. DeRussy, T. Vandenheste, and R. D. Rogers, "Comparative Analysis of Diastereoselection Levels Attainable During Controlled exo- and endo-Addition of Chiral Cyclopentenyl Organometallics to Optically Pure and Racemic 1-Vinylnorbornan-2-ones," J. Am. Chem. Soc., 112, 5562 (1990).

771. H.-J. Kang and L. A. Paquette, "Claisen-Based Strategy for the de novo Construction of Basmane Diterpenes. Enantiospecific Synthesis of (+)-7,8-Epoxy-2-basmen-6-one," J. Am. Chem. Soc., 112, 3252 (1990).

772. L. A. Paquette, "Carbonyl Group Regeneration with Substantive Enhancement of Structural Complexity," Synlett, 67 (1990).

773. L. A. Paquette, C. S. Ra, and S. D. Edmondson, "Regiocontrolled Cyclohexenone Annulation via Indirect Acylation of a Ketone Carbonyl," J. Org. Chem., 55, 2443 (1990).

774. L. A. Paquette, C. M. Rayner, and A. M. Doherty, "Synthesis of (±)-11,O(3)- Dihydropseudopterolide," J. Am. Chem. Soc., 112, 4078 (1990).

775. L. A. Paquette and T. J. Sweeney, "A Concise Total Synthesis of Enantiomerically Pure (+)- cis and (+)-trans-Lauthisan," J. Org. Chem., 55, 1703 (1990).

776. L. A. Paquettte, W. Bauer, M. R. Sivik, M. Buhl, M. Feigel, and P. von R. Schleyer, "Structure of Lithium Isodicyclopentadienide and Lithium Cyclopentadienide in Tetrahydrofuran Solution. A Combined NMR, IGLO, and MNDO Study," J. Am. Chem. Soc., 112, 8776 (1990).

777. S. Liang and L. A. Paquette, "Biocatalytic-Based Synthesis of Optically Pure (C-6)- Functionalized 2-Methyl-1-(tert-Butyldimethylsilyloxy)-2-methyl-(E)-2-heptenes," Tetrahedron: Asymmetry, 1, 445 (1990).

778. L. A. Paquette, "Stereocontrolled Construction of Complex Cyclic Ketones via Oxy-Cope Rearrangement," Angew. Chem., 102, 642 (1990); Angew. Chem., Int. Ed. Engl., 29, 609 (1990).

779. K. J. Moriarty, C.-C. Shen, and L. A. Paquette, "Rapid Three-Component Assembly of (±)- Hirsutene," Synlett, 263 (1990).

780. M.-A. Poupart, G. Lassalle, and L. A. Paquette, "Intramolecular Oxidative Coupling of a Bisenolate: 4-Methyltricyclo[2.2.2.03,5]octane-2,6-dione," Org. Synth., 69, 173 (1990).

HETEROCYCLES, Vol. 62, 2004 91

781. L. A. Paquette and T. J. Sweeney, "Stereospecific Approach to 3-Oxocen-7-ones via Aliphatic Claisen Rearrangement. Synthesis of (+)-(2R,8S)- and (2R,8R)-Lauthisan," Tetrahedron, 46, 4487 (1990).

782. L. A. Paquette, J. L. Romine, H.-S. Lin, and J. Wright, "Total Synthesis of (+)-Ikarugamycin. 1. Stereocontrolled Construction of the Decahydro-as-indacene Subunit," J. Am. Chem. Soc., 112, 9284 (1990).

783. L. A. Paquette, D. Macdonald, and L. G. Anderson, "Total Synthesis of (+)-Ikarugamycin. 2. Elaboration of the Macrocyclic Lactam and Tetramic Acid Substructures, and Complete Assembly of the Antiobiotic," J. Am. Chem. Soc., 112, 9292 (1990).

784. L. A. Paquette, "Organic Syntheses, Volume 69", John Wiley and Sons, Inc., New York, 1990.

785. M. R. Sivik, R. D. Rogers, and L. A. Paquette, "Isodicyclopentadienes and Related Molecules. LII. Comparative Analysis of the Solid State Structural Features of Bis(η5-(1R,8R),- and (η5-(1R,8R), η5-(1S,8S), -7,7,9,9-tetramethyltricyclo[6.1.1.02,6]deca-3,5-dien-2-yl) dichlorotitanium," J. Organomet. Chem., 397, 177 (1990).

786. L. A. Paquette, S. Liang, and P. Galatsis, "Expedient Construction of the Dicyclopenta[a,d]cyclooctene Core of Ceroplastin Di- and Sesterterpenes," Synlett, 663 (1990).

787. L. A. Paquette and Y.-J. Shi, "Tandem Anionic [3.3] Sigmatropy-SN' Displacement. New Synthetic Technology for the Construction of Hydroazulenone and Related Frameworks," J. Am. Chem. Soc., 112, 8478 (1990).

788. L. A. Paquette and P. C. Astles, "Furanocembranolide Interconversions. Transformation of Pseudopterolide into Tobagolide and its Reversal," Tetrahedron Lett., 31, 6505 (1990).

789. J. Ezquerra, W. He, and L. A. Paquette, "Enantiospecific Synthesis of the Tricyclic Nucleus of Acetoxycrenulide by Claisen Ring Expansion," Tetrahedron Lett., 31, 6979 (1990).

790. W. E. Fristad and L. A. Paquette, "Oxidation Chemistry of a cis-2-(3-Furylidene)ethanol," Heterocycles, 31, 2219 (1990).

1991

791. L. A. Paquette, K. D. Combrink, S. W. Elmore, and R. D. Rogers, "Impact of Substituent Modifications on the Atropselectivity Characteristics of an Anionic Oxy-Cope Rearrangement," J. Am. Chem. Soc., 113, 1335 (1991).

792. M. Gugelchuk and L. A. Paquette, "Remote Electronic Perturbation of π-Facial Selectivity in [4+2] Cycloadditions to Isodicyclopentafulvenes. The Consequences of p-Phenyl Substitution," J. Am. Chem. Soc., 113, 246 (1991).

793. N. A. Pegg and L. A. Paquette, "Functionalization Reactions of a Medium-Ring Bridgehead Enone that Skirt Transannular Bond Formation," J. Org. Chem., 56, 2461 (1991).

794. L. A. Paquette, C. M. Moorhoof, G. D. Maynard, E. R. Hickey, and R. D. Rogers, "Stereochemical Course of the Base-Promoted Aldol Self-Coupling of Racemic 5-Norbornen- 2-one and 2-Norbornanone," J. Org. Chem., 56, 2449 (1991).

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795. C. M. Moorhoff and L. A. Paquete, "Unsymmetrical Oxidative Cleavage of Cyclic Ketones. Conversion to ω-Ethoxycarbonyl Aldoxime under Alkaline Conditions," J. Org. Chem., 56, 703 (1991).

796. P. G. Meister, M. R. Sivik, and L. A. Paquette, "2-Methyl-1,3-cyclopentanedione," Org. Synth., 70, 226 (1991).

797. D. R. Lagerwall, J. C. Gallucci, and L. A. Paquette, "Structure of Diethyl Dodecahydro-1,5- dioxo-4,8,9-metheno-4H-cyclopenta[1,2-a:4,3a']dipentalene-4,10-dicarboxylate," Acta Cryst., C47, 1868 (1991).

798. D. Friedrich and L. A. Paquette, "Cyclopentenyllithium Additions to Chiral Aldehydes. Diastereofacial Selectivity Indicating the Absence of a Pronounced Neighboring Carboxylate Anion Effect," J. Org. Chem., 56, 3831 (1991).

799. L. A. Paquette, D. Friedrich, and R. D. Rogers, "Alkylaluminum-Catalyed Claisen Ring Expansions. Scope and Stereochemistry," J. Org. Chem., 56, 3841 (1991).

800. L. A. Paquette and H.-J. Kang, "Synthetic Studies on Basmane Diterpenes. Enantiospecific Total Synthesis of (+)-7,8-Epoxy-2-basmen-6-one-by Claisen Ring Expansion," J. Am. Chem. Soc., 113, 2610 (1991). HETEROCYCLES, Vol. 62, 2004 93

PUBLICATIONS OF LEO A. PAQUETTE

Part III

(Papers 801- 1161)

801. L. A. Paquette, R. E. Maleckza, Jr., and F. Qiu, "Regio- and Stereoselective Oxidation of Unsaturated Bicyclo[2.2.2]octanones with Selenium Dioxide," J. Org. Chem., 56, 2455 (1991).

802. L. A. Paquette and R. E. Maleczka, Jr., "Enantioselective Total Synthesis of (-)-9-Epi- Ambrox, a Potent Ambergris-Type Olfactory Agent," J. Org. Chem., 56, 912 (1991).

803. S. W. Elmore and L. A. Paquette, "The First Thermally-Induced Retro-Oxy-Cope Rearrangement," Tetrahedron Lett., 32, 319 (1991).

804. C. M. G. Philippo, N. H. Vo, and L. A. Paquette, "Two-Carbon Intercalation. 4- Cyclooctenones by Tandem Application of Double-Tebbe and Claisen Reactions," J. Am. Chem. Soc., 113, 2762 (1991).

805. C. Sornay, P. Meunier, B. Gautheron, G. A. O'Doherty, and L. A. Paquette, "Stereo- selective Access to the Three Diisodicyclopentadienyltitanium Dichlorides," Organo- metallics, 10, 2082 (1991).

806. W. Bauer, G. A. O'Doherty, P. von R. Schleyer, and L. A. Paquette, "Structural Analysis of a Camphor-Derived Cyclopentadienyllithium Compound by NMR and MNDO. A Ternary Equilibrium in Tetrahydrofuran," J. Am. Chem. Soc., 113, 7093 (1991).

807. L. A. Paquette and J. T. Negri, "Acid-Catalyzed Dehydration of Diols. Kinetic and Stereo- chemical Ramifications of Spirotetrahydrofuran Synthesis," J. Am. Chem. Soc., 113, 5072 (1991).

808. J. T. Negri, R. D. Rogers, and L. A. Paquette, "Belted Spirocyclic Tetrahydrofurans - A New Class of Preorganized Ionophoric Polyethers. Molecular Structure, Conformation, and Binding to Alkali Metal Atoms," J. Am. Chem. Soc., 113, 5073 (1991).

809. L. A. Paquette and M. R. Sivik, "Preparation of Annulated 2,4-Dioxygenated-5-methyl- furans," Synth. Commun., 21, 467 (1991).

810. L. A. Paquette, K. Dahnke, J. Doyon, W. He, K. Wyant, and D. Friedrich, "Regio- selective Conversion of Cycloalkanones to Vinyl Bromides with 1,2-Functionality Transposition. A General Stratagem," J. Org. Chem., 56, 6199 (1991).

811. D. Friedrich and L. A. Paquette, "A Method for Intramolecular Syn Delivery of an Alkyl Group to the Proximal Olefinic Carbon in 5-Cyclooctenols," J. Chem. Soc. Perkin Trans 1, 1621 (1991).

812. H. L. Ammon and L. A. Paquette, "Structure of 9-Nitro-[4]peristylane-1,5-dione," Acta Cryst., C47, 2156 (1991).

813. H. L. Ammon and L. A. Paquette, "Structure of 1,5,9-Trinitrobishomopentaprismane," Acta Cryst., C47, 2159 (1991)

94 HETEROCYCLES, Vol. 62, 2004

814. L. A. Paquette, D. R. Lagerwall, J. L. King, S. Niwayama, and R. Skerlj, "Electrophilic Chemistry of Dodecahedrane. Direct Entry to Epoxydodecahedrane and the First Tethered Derivative," Tetrahedron Lett., 32, 5259 (1991).

815. G. D. Maynard and L. A. Paquette, "Divergent Response of a Hindered Cyclopropene to Strong Oxidizing Agents," J. Org. Chem., 56, 5480 (1991).

816. L. A. Paquette and G. D. Maynard, "Importance of Oxyanion Orientation to the Stereo- chemical Control of Anionic Oxy-Cope Rearrangements," Angew. Chem., 103, 1392 (1991); Angew. Chem., Int. Ed. Engl., 30, 1368 (1991).

817. R. E. Maleczka, Jr. and L. A. Paquette, "Adaptation of Oxyanionic Sigmatropy to the Conver- gent Enantioselective Synthesis of Ambergris-Type Odorants," J. Org. Chem., 56, 6538 (1991).

818. L. A. Paquette, G. A. O'Doherty and R. D. Rogers, "Intramolecular Reaction Rate is Not Determined Exclusively by the Distance Separating Reaction Centers. The Kinetic Consequences of Modulated Ground State Strain on Dyotropic Hydrogen Migration in Systems of Very Similar Geometric Disposition," J. Am Chem. Soc., 113, 7761 (1991).

819. H.-J. Kang, C. S. Ra, and L. A. Paquette, "Stereocontrolled Total Synthesis of (±)- Pentalenolactone P Methyl Ester", J. Am. Chem. Soc., 113, 9384 (1991).

820. S. W. Elmore, K. D. Combrink, and L. A. Paquette, "A Convenient Means for Controlling the Oxidation Level of Bridgehead Carbon C-1 in Functionalized Tricyclo[9.3.1.03,8]- pentadecanes", Tetrahedron Lett., 32, 6679 (1991).

821. L. A. Paquette, D. R. Lagerwall, J. L. King, and S. Niwayama, "The Dodecahedryl Anion", Tetrahedron Lett., 32, 6529 (1991).

822. L. A. Paquette, K. J. Moriarty, and C.-C. Shen, "Sequential Annulation in Molecular Construction. A Short, Stereocontrolled Synthesis of (±)-Hirsutene," Isr. J. Chem., 31, 195 (1991).

1992

823. L. A. Paquette, T. L. Underiner, and J. C. Gallucci, "Structural Analysis of cis-[n.3.1] Bicyclic Ketones by X-Ray Crystallography. Impact of the Observed Conformational Cross- over on π-Facially Diastereoselective Nucleophilic Additions to this Class of Ketones and on the Stereochemical Course of Electrophilic Reactions Involving their Methylene Analogs," J. Org. Chem., 57, 86 (1992).

824. B. M. Branan, L. A. Paquette, D. A. Hrovat, and W. T. Borden, "Generation and Chemical Trapping of a Bis(ethano) Derivative of Tricyclo[3.3.0.03,7]oct-1(5)-ene -- the Consummate Member of a Series of Pyramidalized Alkenes", J. Am. Chem. Soc., 114, 774 (1992).

825. L. A. Paquette, C. M. G. Philippo, and N. H. Vo, "Ring Expansion by Tandem Double Tebbe-Claisen Technology", Can. J. Chem., 70, 1356 (1992).

826. L. A. Paquette, B. M. Branan, and R. D. Rogers, "X-Ray Crystallographic Study of α- Brominated Diketo Tetraquinanes. Conformational Effects of the Number of Halogens and their Position on Bond Length and Solid-State Conformation," Tetrahedron, 48, 297 (1992).

827. K. R. Dahnke and L. A. Paquette, "2-Methylene-1,3-dithiolane," Org. Synth., 71, 175 (1992) HETEROCYCLES, Vol. 62, 2004 95

828. K. R. Dahnke and L. A. Paquette, "Inverse Electron Demand Diels Alder Cycloaddition of a Ketene Dithioacetal. Copper Hydride-Promoted Reduction of a Conjugated Enone. 9- Dithiolanobicyclo[3.2.2]non-6-en-2-one from Tropone," Org. Synth., 71, 181 (1992).

829. L. A. Paquette, "Cyclooctatetraenes: Conformational and π-Electronic Dynamics Within Polyolefinic [8]Annulene Frameworks," in "Advances in Theoretically Interesting Mole- cules, Volume 2," R. P. Thummel, Ed., Jai Press, Inc., 1992, pp 1-77.

830. S. Liang and L. A. Paquette, "Palladium-Catalyzed Intramolecular Cyclization of Vinyl and Aryl Triflates. Associated Regioselectivity of the β-Hydride Elimination Step," Acta Chem. Scand., 46, 597 (1992).

831. G. Ladouceur and L. A. Paquette, "Application of the Anionic Oxy-Cope Rearrangement to Stereocontrolled Synthesis of the A/B Subunit of Cytotoxic 8,9-Seco-ent-kaurenes," Synthesis, 185 (1992).

832. L. A. Paquette, A. M. Doherty, and C. M. Rayner, "Total Synthesis of Furanocembranolides. 1. Stereocontrolled Preparation of Key Heterocyclic Building Blocks and Assembly of a Complete Seco-Pseudopterane Framework", J. Am. Chem. Soc., 114, 3910 (1992).

833. C. M. Rayner, P. C. Astles, and L. A. Paquette, "Total Synthesis of Furanocembranolides. 2. Macrocyclization Studies Culminating in the Synthesis of a Dihydropseudopterolide and Gorgiacerone. Related Furanocembranolide Interconversions," J. Am. Chem. Soc., 114, 3926 (1992).

834. L. A. Paquette, M. A. Kesselmayer, G. E. Underiner, S. D. House, R. D. Rogers, K. Meerholz, and J. Heinze, "Multifaceted Consequences of Holding Two [8]Annulene Rings Face-to-Face. Synthesis, Structural Characteristics, and Reduction Behavior of [22](1,5)- Cyclooctatetraenophane", J. Am. Chem. Soc., 114, 2644 (1992).

835. L. A. Paquette and G. D. Maynard, "Relevance of Oxyanion Stereochemistry to Chirality Transfer in Anionic Oxy-Cope Rearrangements," J. Am. Chem. Soc., 114, 5018 (1992).

836. L. A. Paquette, D. R. Lagerwall, and H. G. Korth, "The Dodecahedryl Radical. Reactivity Analysis by Conjugate Addition to π-Electron-Deficient Acceptors and Structural Investigation by Electron Spin Resonance Spectroscopy," J. Org. Chem., 57, 5413 (1992).

837. L. A. Paquette, R. Guevel, and D. R. Sauer, "Intramolecularly Competitive Anionic Oxy-Cope Rearrangements," Tetrahedron Lett., 33, 923 (1992).

838. L. A. Paquette, J. T. Negri, and R. D. Rogers, "Synthesis and Molecular Structure of Belted Spirocyclic Tetrahydrofurans, a New Class of Preorganized Hosts for Cations," J. Org. Chem., 57, 3947 (1992).

839. L. A. Paquette, J. F. P. Andrews, C. Vanucci, D. E. Lawhorn, J. T. Negri, and R. D. Rogers, "Regio- and Stereochemical Course of the Ring Expansion of Bridged Bicyclic Ketones to Spirocyclic α-Keto Tetrahydrofurans," J. Org. Chem., 57, 3956 (1992).

840. P. C. Astles and L. A. Paquette, "Total Synthesis of (±)-Acerosolide," Synlett, 444 (1992).

841. L. A. Paquette and C. J. M. Stirling, "The Intramolecular SN' Reaction," Tetrahedron, 48, 7383 (1992).

842. D. S. Brown and L. A. Paquette, "Synthetic Studies on Furanoheliangolides. Stereocontrolled Construction of the Oxygen-Bridged Tricyclic Framework," J. Org. Chem., 57, 4512 (1992). 96 HETEROCYCLES, Vol. 62, 2004

843. D. S. Brown and L. A. Paquette, "A Survey of 6,9-Epoxycyclodeca[b]furan Sesquiterpenes," Heterocycles, 34, 807 (1992).

844. L. A. Paquette, G. E. Underiner, and J. C. Gallucci, "Abnormal Weiss-Cook Condensation of cis-6-Cyclodecene-1,2-dione with Dimethyl 1,3-Acetonedicarboxylate. The Consequences of Ring Strain Release," J. Org. Chem., 57, 3512 (1992).

845. J. T. Negri and L. A. Paquette, "Electrostatic Modulation of Hydroxyl Group Ionization in Acidic Media. Evidence for the Competitive Operation of Intramolecular SN2 Reactions," J. Am. Chem. Soc., 114, 8835 (1992).

846. D. Grée, R. Grée, T. B. Lowinger, J. Martelli, J. T. Negri, and L. A. Paquette, "Acid- Catalyzed Cyclization of 1,4-Diols Tethered to Butadieneiron Tricarbonyl Segments. Isotopic Labeling as a Mechanistic Probe of Stereochemical Retention during Tetrahydrofuran Formation," J. Am. Chem. Soc., 114, 8841 (1992).

847. L. A. Paquette D. R. Sauer, D. G. Cleary, M. A. Kinsella, C. M. Blackwell, and L. G. Anderson, "Application of Palladium-Catalyzed [3+2] Cycloaddition Technology to the Elaboration of Kempane Diterpenes. Stereocontrolled Synthesis of (±)-3α-Hydroxy-7β- kemp-8(9)-en-6-one and (±)-3-β-Hydroxykemp-7(8)-en-6-one," J. Am. Chem. Soc., 114, 7375 (1992).

848. L. A. Paquette, H.-J. Kang, and C. S. Ra, "Stereocontrolled Access to the Most Highly Condensed Pentalenolactone Antibiotic. From Cycloheptatriene to Pentalenolactone P Methyl Ester," J. Am. Chem. Soc., 114, 7387 (1992).

849. L. A. Paquette, S. W. Elmore, K. D. Combrink, E. R. Hickey, and R. D. Rogers, "An Enantiospecific Approach to the Taxanes. Direct Access to Functionalized cis- Tricyclo[9.3.1.03, 8]pentadecanes via α-Ketol and Wagner-Meerwein Rearrangements," Helv. Chim. Acta, 75, 1755 (1992).

850. L. A. Paquette, K. D. Combrink, S. W. Elmore, and M. Zhao "Setting the Bridgehead Oxidation Level in trans-Tricyclo[9.3.1.03,8]pentadecanes as a Prelude to the Dual Synthesis of Taxol and Taxusin", Helv. Chim. Acta, 75, 1772 (1992).

851. L. A. Paquette and M. R. Sivik, "Stereocontrolled Synthesis of Sterically Crowded Titanocenes of High Enantiomeric Purity by Electrophilic Capture of C-Silylated Ligands with Configurational Inversion", Organometallics, 11, 3503 (1992).

852. L. A. Paquette, "Studies Directed Toward the Total Synthesis of Taxanes," In "Studies in Natural Products Chemistry, Volume 11," A. U. Rahman and F. Z. Basha, Eds., Elsevier, Amsterdam, 1992, pp 3-69.

853. L. A. Paquette and R. E. Maleczka, Jr., "Enantioselective Construction of Natural (+)- Pallescensin A. A Sigmatropic Pathway to Furanosesquiterpenes," J. Org. Chem., 57, 7118 (1992).

854. T. L. Underiner and L. A. Paquette, "Asymmetric Functionalization of Conformationally Distinctive Cs-Symmetric cis[n.3.1]Bicyclic Ketones. Definition of the Absolute Course of Enantio- and Diastereo-differentiation," J. Org. Chem., 57, 5438 (1992).

855. R. Graham and L. A. Paquette, "A Diepoxide Belonging to the Rare Ci Point Group," J. Chin. Chem. Soc., 39, 279 (1992).

HETEROCYCLES, Vol. 62, 2004 97

856. L. A. Paquette, "Investigations into Furanocembranolide Diterpene Construction. The Total Synthesis of Dihydropseudopterolide, Gorgiacerone, and Acerosolide. The Reversible Interconversion of Pseudopterolide and Togabolide," Chemtracts, 5, 141 (1992).

857. W. Bauer, M. R. Sivik, D. Friedrich, P. von R. Schleyer, and L. A. Paquette, "Direct Comparison of the Solution Structure of a C1-Symmetric Pinane-Fused Cyclopentadienyl- lithium Compound with the Stereoselectivity of its Capture by Electrophiles," Organometallics, 11, 4178 (1992).

858. L. A. Paquette, E. Bacqué, R. Bishop and T. J. Watson, "Synthesis and Properties of [4,5]Dihomotropone (Bicyclo[5.1.1]nona-2,5-dien-4-one)," Tetrahedron Lett., 33, 6559 (1992).

859. L. A. Paquette, M. Zhao, and D. Friedrich, "An Unprecedented Silyl Triflate-Promoted Hydride Shift Within a Taxane Derivative," Tetrahedron Lett., 33, 7311 (1992).

1993

860. L. A. Paquette, P. G. Meister, D. Friedrich, and D.R. Sauer, "Enantioselective Total Synthesis of (-)-Subergorgic Acid," J. Am. Chem. Soc., 115, 49 (1993).

861. S. Borrelly and L. A. Paquette, "An Intramolecular Cyclization Approach to Optically Active Cyclopentenyl Bromides," J. Org. Chem., 58, 2714 (1993).

862. L. A. Paquette, "The Current View of Dynamic Change within Cyclooctatetraenes," Accounts Chem. Res., 26, 57 (1993).

863. R. D. Rogers, M. R. Sivik, and L. A. Paquette, "Solid State Structural Studies of the Diastereomeric exo- and endo-(η5-Cyclopentadienyl)(η5-(1S,8R)-7,7-dimethyltricyclo- [6.1.1.02,6]deca-2,5-dienyl)dichlorotitaniums and a Stereopure exo-(η5-Pentamethyl- cyclopentadienyl) Congener," J. Organometal. Chem., 450, 125 (1993).

864. L. A. Paquette and P. C. Astles, "Total Synthesis of Furanocembranolides. 3. A Concise Convergent Route to Acerosolide," J. Org. Chem., 58, 165 (1993).

865. J. C. Gallucci, G. Opromolla, L. A. Paquette, L. Pardi, P. F. T. Schirch, M. R. Sivik, and P. Zanello, "The Redox Behavior of Ferrocene Derivatives. 4. Bis (η5-tricyclo[5.2.1.02,6]- deca-2,5,8-trien-6-yl)iron and Related Molecules," Inorg. Chem., 32, 2292 (1993).

866. L. A. Paquette, T. Z. Wang, and N. H. Vo, "Access to Naturally Occurring Cyclooctanoids by Two-Carbon Intercalation. Total Synthesis of (+)-Ceroplastol I," J. Am. Chem. Soc., 115, 1676 (1993).

867. L. A. Paquette, T. J. Watson, and D. Friedrich, "Multiple Functionalization of Medium-Sized Carbocyclic Rings. From Cyclooctanone to a 1,5-Dialkoxycyclooctatetraene," J. Org. Chem., 58, 776 (1993).

868. L. A. Paquette, "Synthesis of Di- and Triquinane Sesqui-, Di-, and Sesterterpenes - Columbus Style," In "Studies in Natural Products Chemistry, Vol. 13", A. U. Rahman and F. Z. Basha, Eds., Elsevier, Amsterdam, 1993, pp 3-52.

869. L. A. Paquette and M. Zhao, "Generation of Enantiopure trans-Δ9,10-Tricyclo[9.3.1.03,8]- pentadecene Diastereomers from a Single Precursor. Control of Stereochemistry by Means of Rotationally Restrictive Nonbonded Interactions," J. Am. Chem. Soc., 115, 354 (1993). 98 HETEROCYCLES, Vol. 62, 2004

870. L. A. Paquette, M. D. Lord, and J. T. Negri, "Enantioselective Synthesis of Natural (+)- Dactyloxene-B and -C by Actuation of Oxonium Ion-Initiated Pinacol Rearrangement," Tetrahedron Lett., 34, 5693 (1993).

871. L. A. Paquette and M.-A. Poupart, "Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 1. Expedient Construction of the Tetracyclic Core by Oxyanionic Sigmatropy," J. Org. Chem., 58, 4245 (1993).

872. L. A. Paquette, G. Y. Lassalle, and C. J. Lovely "Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 2. Analysis of the Inability to Realize D Ring Formation by Means of Extraannular Robinson Annulation," J. Org. Chem., 58, 4254 (1993).

873. L. A. Paquette, D. N. Deaton, Y. Endo, and M.-A. Poupart, "Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 3. A Convergent Enantioselective Approach Involving New Arrangements for the Actuation of Ring D Cyclization," J. Org. Chem., 58, 4262 (1993).

874. L. A. Paquette and M. M. Schulze, "Alkoxy and Cyclic Ether Oxygens Exhibit Disparate Capabilities for Directing ortho Lithiation," Tetrahedron Lett., 34, 3235 (1993).

875. L. A. Paquette, D. Friedrich, E. Pinard, J. P. Williams, D. R. St. Laurent, and B. A. Roden, "Total Synthesis of the Tetracyclic Diquinane Lycopodium Alkaloids Magellanine and Magellaninone," J. Am. Chem. Soc., 115, 4377 (1993).

876. J. T. Negri, T. Morwick, J. Doyon, P. D. Wilson, E. R. Hickey, and L. A. Paquette, "Direct Elaboration of Complex Chiral Polyquinanes through Twofold Addition of Vinyl Anions to Squarate Esters," J. Am. Chem. Soc., 115, 12189 (1993).

877. X. Wang and L. A. Paquette, "A Carbenoid Ring Expansion Route to the First Member of a Newly Discovered Diterpene Class. Total Synthesis of 18-Oxo-3-virgene," Tetrahedron Lett., 34, 4579 (1993).

878. L. A. Paquette, T.-Z. Wang, S. Wang, and C. M. G. Philippo, "Enantioselective Synthesis of (+)-Cleomeolide, the Structurally Unique Diterpene Lactone Constituent of Cleome viscosa" Tetrahedron Lett., 34, 3523 (1993).

879. R. Guevel and L. A. Paquette, "An Enzyme-Based Synthesis of (S)-(-)-3-Methyl-2-[(phenyl- sulfonyl)methyl]butyl Phenyl Sulfide and the Stereochemical Course of its Alkylation," Tetrahedron Asymmetry, 4, 947 (1993).

880. L. A. Paquette and M. M. Schulze, "A Unified Synthetic Strategy for Elaboration of the DEF Tricyclic Subunit Common to the Austalide Mycotoxins," Heterocycles, 35, 585 (1993).

881. L. A. Paquette and R. C. Thompson, "Synthetic Equivalents of the Taxol C,D Ring System. Examination of Nucleophilic Bicyclic Oxetanes and Less Strained Acetonide Equivalents," J. Org. Chem., 58, 4952 (1993).

882. S. W. Elmore and L. A. Paquette, "A-Ring Oxygenation Studies in Bridgehead Hydroxyl- Substituted trans-Tricyclo[9.3.1.03,8]pentadecan-14-one Congeners of Taxol," J. Org. Chem., 58, 4963 (1993).

883. L. A. Paquette, S. K. Huber, and R. C. Thompson, "A Means for Stereocontrolled Introduction of the C-2 Oxygen Substituent in Functionalized cis-Tricyclo[9.3.1.03,8]- pentadecanones Related to Taxol," J. Org. Chem., 58, 6874 (1993).

HETEROCYCLES, Vol. 62, 2004 99

884. L. A. Paquette, U. Dullweber, and L. D. Cowgill, "A Convenient Route to Spirocyclic C- Glycosides. Demonstration that Ring Strain Release can Override Normal Operation of the Ferrier Rearrangement," Tetrahedron Lett., 34, 8019 (1993).

885. M. R. Sivik, K. J. Stanton, and L. A. Paquette, "(1R)-(+)-Verbenone of High Optical Purity," Org. Synth., 72, 48 (1993).

886. L. A. Paquette, "Synthetic Progress toward Powerfully Cytotoxic Taxol and Related Taxane Diterpenes," in "Organic Chemistry: Its Language and Its State of the Art", M. V. Kisakurek, Ed., Helv. Chim. Acta and VCH Publishers, 1993, 103-115.

1994

887. E. R. Hickey and L. A. Paquette, "Torsional Angle Decompression is not the Source of Facial Selectivity in Diels-Alder Cycloadditions Involving Cyclic Dienes Fused to Bicyclic Frame- works. The Case Study of 1,2,3,4,6,7-Hexahydro-1,4-methanonaphthalene," Tetrahedron Lett., 35, 2309 (1994).

888. L. A. Paquette and E. R. Hickey, "The Consequences of Strain Release in the Norbornyl Subunit of Isodicyclopentadiene on Cycloaddition Stereochemistry. Further Evidence that Orbital Tilting Serves as a Key Determinant of Contrasteric π-Facial Stereoselectivity," Tetrahedron Lett., 35, 2313 (1994).

889. K. R. Dahnke and L. A. Paquette, "Exploratory Synthetic Studies Involving the Tricyclo- [9.3.0.02,8]tetradecane Ring System Peculiar to the Cyathins," J. Org. Chem., 59, 885 (1994)

890. L. A. Paquette, B. M. Branan, D. Friedrich, S. D. Edmondson, and R. D. Rogers, "Analysis of the Conformational Nature, Resolvability, and Thermal Racemization of Hetero 2,3- Dispirocyclohexanones. The Weighting of Carbonyl/C-X Stabilization Relative to the Electronic Interaction between the Vicinal Electronegative Substituents," J. Am. Chem. Soc., 116, 506 (1994).

891. L. A. Paquette, U. Dullweber, and B. M. Branan, "Thionium Ion-Activated Pinacol Rearrangements. Generality and Scope," Heterocycles, 37, 187 (1994).

892. K. Fuchs and L. A. Paquette, "Access to Protected 2-Alkylidene-1,3-diones by Modified Knoevenagel Reaction in the Presence of Thiophenol. A New Approach to Spirocyclopentanol Construction," J. Org. Chem., 59, 528 (1994).

893. L. A. Paquette, T.-Z. Wang, and M. R. Sivik, "Enantioselective Synthesis of Natural (-)- Austalide B, an Unusual Ortho Ester Metabolite Produced by Toxigenic Cultures of Aspergillus ustus," J. Am. Chem. Soc., 116, 2665 (1994).

894. L. A. Paquette, D. R. Sauer, S. D. Edmondson, and D. Friedrich, "A Concise Route to the Tetracyclic Core of Phorbol," Tetrahedron, 50, 4071 (1994).

895. H.-S. Lin and L. A. Paquette, "A Convenient Method for Determining the Concentration of Grignard Reagents," Synth. Commun., 24, 2503 (1994).

896. B. M. Branan and L. A. Paquette, "Heteroatomic Effects on the Acid-Catalyzed Rearrange- ments of Dispiro[4.0.4.4]tetradeca-11,13-dienes," J. Am. Chem. Soc., 116, 7658 (1994).

100 HETEROCYCLES, Vol. 62, 2004

897. B. E. Bursten, M. R. Callstrom, C. A. Jolly, L. A. Paquette, M. R. Sivik, R. S. Tucker, and C. A.Wartchow, "Importance of Steric Requirements Relative to Electronic Contributions in Bicycloalkyl Substituted Titanocene Dichlorides," Organometallics, 13, 127 (1994).

898. L. A. Paquette, M. M. Schulze, and D. G. Bolin, "Relevance of Conformational Constraints to the Regioselective Lithiation of Aromatic Diethers. Application to the Convenient Construction of the DEF Tricyclic Subunit of the Austalides," J. Org. Chem., 59, 2043 (1994).

899. L. A. Paquette and X. Wang, "Total Synthesis of 18-Oxo-3-virgene, a Constituent of the Waxy Surface Resins of Tobacco," J. Org. Chem., 59, 2052 (1994).

900. C.-C. Shen and L. A. Paquette, "Development of a Strategy for the Synthesis of the Spherical Hydrocarbon p-[42.58]Decahedrane," Tetrahedron, 50, 4949 (1994).

901. J. Doyon, W. He, and L. A. Paquette, "Diastereoselectivities Associated with the 1,2-Addition of Chiral (Racemic) Cyclopentenyl Organometallics to Bicyclo[2.2.2]octenones," J. Org. Chem., 59, 2033 (1994).

902. R. Guevel and L. A. Paquette, "Tandem Cope-Cope Rearrangements," J. Am. Chem. Soc., 116, 1776 (1994).

903. J. P. Williams, D. R. St. Laurent, D. Friedrich, E. Pinard, B. A. Roden, and L. A. Paquette, "Total Synthesis of the Lycopodium Alkaloids Magellanine and Magellaninone by Three-Fold Annulation of 2-Cyclopentenone," J. Am. Chem. Soc., 116, 4689 (1994).

904. L. A. Paquette, T.-Z. Wang, C. M. G. Philippo, and S. Wang, "Total Synthesis of the Cembranoid Diterpene (+)-Cleomeolide. Some Remarkable Conformational Features of Nine-Membered Belts Linked in 2,6-Fashion to a Methylenecyclohexane Core," J. Am. Chem. Soc., 116, 3367 (1994).

905. L. A. Paquette, "Stereocontrolled Construction of Cyclooctanoid Natural Products by Claisen- Based Ring Expansion," In Stereocontrolled Organic Synthesis, B.M. Trost, Ed.; Blackwell Scientific Publications, Oxford, England; 1994, pp 313-336.

906. F. Zaegel , J. C. Gallucci, P. Meunier, B. Gautheron, M. R. Sivik, and L. A. Paquette, "Preparation, X-Ray Crystallographic Analysis, and Stereoselective Electrophilic Capture of Coordinatively Isomeric exo-Lithium Complexes of Isodicyclopentadiene," J. Am. Chem. Soc., 116, 6466 (1994).

907. G. A. O'Doherty, R. D. Rogers, and L. A. Paquette, "Consequences of Modulated Pre- compression Along Reaction Coordinates. Synthesis, Crystallographic Structural Studies, and Rates of Intramolecular Dyotropy in an Extended Series of syn-Sesquinorbornene Disulfones," J. Am. Chem. Soc., 116, 10883 (1994).

908. K. N. Houk, Y. Li, M. A. McAllister, G. A. O'Doherty, L. A. Paquette, W. Siebrand, and Z. Smedarchina, "Mechanistic Analysis of Double-Hydrogen Dyotropy in syn-Sesquinor- bornene Disulfones. A Combined Kinetic and Theoretical Evaluation of Primary Deuterium Isotope Effects," J. Am. Chem. Soc., 116, 10895 (1994).

909. B. M. Branan, X. Wang, P. Jankowski, J. Wicha, and L. A. Paquette, "Oxidation of 1- (Triphenylsilyl)cyclopropenes with Dimethyldioxirane," J. Org. Chem., 59, 6874 (1994).

910. L. A. Paquette, T. J. Watson, D. Friedrich, R. Bishop, and E. Bacque, "Is Through-Bond Dihomoaromaticity Attainable? Preparation of [4,5]Dihomotropone, Investigation of its Ground-State Properties, and an Attempt to Generate the Dihomotropylium Cation," J. Org. Chem., 59, 5700 (1994). HETEROCYCLES, Vol. 62, 2004 101

911. L. A. Paquette and T. J. Watson, "Through-Bond Interaction via Cyclobutane Relay Orbitals. Evaluation of the Question of Extended Conjugation in Belted [4,5] Dihomotropones," J. Org. Chem., 59, 5708 (1994).

912. L. A. Paquette, M. R. Sivik, W. Bauer, and P. von R. Schleyer, "Origin of the Damping Effect on the Stereoselectivity of Electrophile Capture Caused by the Remote Double Bond in Lithium Tricyclo[5.2.1.02,6]deca-3,5,8-trienide. Structure of the Cyclopentadienide in Tetrahydrofuran Solution," Organometallics, 13, 4919 (1994).

913. H.-D. Beckhaus, C. Rüchardt, D. R. Lagerwall, L. A. Paquette, F. Wahl, and H. Prinzbach, "Experimental Enthalpies of Formation and Strain Energies for the Caged C20H20 Pagodane and Dodecahedrane Frameworks," J. Am. Chem. Soc., 116, 11775 (1994).

914. F. T. Hong and L. A. Paquette, "Efficient Stereocontrolled Synthesis of the ABC Subunit of Dumsin,"Tetrahedron Lett., 35, 9153 (1994).

915. H. J. Klemeyer and L. A. Paquette, "Consequences of α-Bromo Substitution on the Course of Allylmetal Additions to 1-Oxaspiro[4.5]dec-7-en-6-one," J. Org. Chem., 59, 7924 (1994).

916. B. M. Branan and L. A. Paquette, "In Quest of Tricyclo[4.4.1.04,11]undeca-1,3,5,7,9- pentaene, a Highly Strained, Cyclic 10π-Electron, Polyunsaturated Hydrocarbon. Synthesis of a Methoxyl-Substituted Dihydro Derivative," J. Org. Chem., 59, 7709 (1994).

917. L. A. Paquette, T.-Z. Wang, and M. R. Sivik, "Total Synthesis of (-)-Austalide B. A Generic Solution to Elaboration of the Pyran/p-Cresol/Butenolide Triad," J. Am. Chem. Soc., 116, 11323 (1994).

1995

918. L. A. Paquette, "Toward the Design of a Convergent Practical Route to all Classes of Taxanes," In "Taxane Anticancer Agents. Basic Science and Current Status," ACS Sym- posium Series No. 583, American Chemical Society, Washington, DC, 1995, Chapter 23.

919. H. Detert, J. C. Lanter, and L. A. Paquette, "Weiss-Cook Condensations Involving Unsaturated and Transannularly Alkylated Cyclododecane-1,2-diones," J. Org. Chem., 60, 353 (1995).

920. L. A. Paquette, D. Koh, X. Wang, and J. C. Prodger, "Total Synthesis of Natural (-)- Vulgarolide. A Concise Stereocontrolled Means for Twofold Distal Oxaannulation of a Cyclooctanone Core," Tetrahedron Lett., 36, 673 (1995).

921. E. R. Hickey and L. A. Paquette, "Experimental and Theoretical Analysis of the Effects of Strain Diminution on the Stereoselectivity of Dienophilic Capture by π-Facially Nonequivalent Homologues of Isodicyclopentadiene," J. Am. Chem. Soc., 117, 163 (1995).

922. L. A. Paquette, M. J. Earle, and G. F. Smith, "(4R)-(+)-t-Butyldimethylsiloxycyclopente- none," Org. Synth., 73, 36 (1995).

923. L. A. Paquette and T. M. Heildelbaugh, "(4S)-(-)-t-Butyldimethylsiloxycyclopentenone," Org. Synth., 73, 44 (1995).

924. L. A. Paquette and B. M. Branan, "Isomerizations of 1,7-Diheteradispiro[4.0.4.4]tetradeca- 11,13-dienes in the Presence of Tetracyanoethylene," Heterocycles, 40, 101 (1995).

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925. S. W. Elmore and L. A. Paquette, "Stereocontrolled Oxygenation of Camphor Derivatives as a Prelude to the Complete B-Ring Functionalization of Potential Precursors to Taxol and Structural Analogs Thereof," J. Org. Chem., 60, 889 (1995).

926. L. A. Paquette, Z. Su, S. Bailey, and F. J. Montgomery "Evaluation of 2-Bromocyclo- hexenone Acetals as Vehicles for the Introduction of C-7 Oxygen Preliminary to the Synthesis of Taxane Diterpenes," J. Org. Chem., 60, 897 (1995).

927. Z. Su and L. A. Paquette, "Conversion of D-(-)-Quinic Acid into an Enantiopure C-4 Functionalized 2-Iodocyclohexenone Acetal," J. Org. Chem., 60, 764 (1995).

928. M. D. Lord, J. T. Negri, and L. A. Paquette, "Oxonium Ion-Initiated Pinacolic Ring Expansion Reactions. Application to the Enantioselective Synthesis of the Spirocyclic Sesquiterpene Ethers Dactyloxene-B and -C," J. Org. Chem., 60, 191 (1995).

929. T. Morwick, J. Doyon, and L. A. Paquette, "Acetylide Anions Exert Complete Control over Aldolization During the Direct Conversion of Squarate Esters into Polyquinanes," Tetrahedron Lett., 36, 2369 (1995).

930. L. A. Paquette and T. Morwick, "The Squarate Ester-1,3,5,7-Octatetraene-Polyquinane Cascade: Reaction Efficiency is Intimately Linked to the Locus of Substiution Within the Vinyl Anion," J. Am. Chem. Soc., 117, 1451 (1995).

931. L. A. Paquette, T.-Z. Wang, and E. Pinard, "Total Synthesis of Natural (+)-Acetoxy- crenulide," J. Am. Chem. Soc., 117, 1455 (1995).

932. L. A. Paquette, "Bridgehead Unsaturation in Compounds of Nature: A Proper Forum for Unleashing the Potential of Organic Synthesis," Chem. Soc. Rev., 24, 9 (1995).

933. L. A. Paquette, B. M. Branan, and R. D. Rogers "High-Pressure Diels-Alder Reactions of 1-Oxa[4.4.4]propella-5,7-diene Proceed with Framework Isomerization," J. Org. Chem., 60, 1852 (1995).

934. K. Mach, J. Hiller, U. Thewalt, M. R. Sivik, E. I. Bzowej, L. A. Paquette, F. Zaegel, P. Meunier, and B. Gautheron, "Stereoselective Redox Reaction of Isodicyclopentadiene with the (Benzene)titanium(II) Bis(tetrachloraluminate) Complex," Organometallics, 14, 2609 (1995).

935. L. A. Paquette and R. J. Graham, "Controlled Spacing of 60-Carbon Spheres with 1,4- Cyclohexadienyl Ladders by Pairwise Diels-Alder Cycloaddition to Buckminsterfullerene", J. Org. Chem., 60, 2958 (1995).

936. W. He, E. Pinard, and L. A. Paquette, "Total Synthesis of Crenulatan Diterpenes. Strategy and Stereocontrolled Construction of a Bicyclic Keto Lactone Building Block," Helv. Chim. Acta, 78, 391 (1995).

937. L. A. Paquette, J. Ezquerra, and W. He, "Suitability of the Claisen Ring Expansion Protocol for Crenulide Diterpene Construction," J. Org. Chem., 60, 1435 (1995).

938. L. A. Paquette, M. R. Sivik, E. I. Bzowej, and K. J. Stanton, "Catalytic Enantioselective Hydrogenation of 1,1-Disubstituted Alkenes with Optically Active Titanocene and Zirconocene Complexes Containing Either Identical or Different Ligands," Organometallics, 14, 4865 (1995).

939. L. A. Paquette and J. Doyon, "Full Control of Regioselectivity in Linear and Angular Polyquinane Construction from Squarate Esters by Incorporation of a Leaving Group into a Single Vinyl Anion Reactant," J. Am. Chem. Soc., 117, 6799 (1995). HETEROCYCLES, Vol. 62, 2004 103

940. P. D. Wilson, D. Friedrich, and L. A. Paquette, "Successive Electrocyclic Rearrangements Initiated by the Addition of a Lithiated Cyclopropenone Acetal to a Squarate Ester," J. Chem. Soc., Chem. Commun., 1351 (1995).

941. L. A. Paquette, B. M. Branan, R. D. Rogers, A. H. Bond, H. Lange, and R. Gleiter, "Heteroatomic Influences on the π-Facial Selectivity of Diels-Alder Cycloadditions to Dispiro[4.0.4.4]tetradeca-11,13-dienes," J. Am. Chem. Soc., 117, 5992 (1995).

942. J. N. Johnston and L. A. Paquette, "Studies Directed toward the Total Synthesis of Polycavernoside A. Enantioselective Synthesis of the Disaccharide Component," Tetrahedron Lett., 36, 4341 (1995).

943. F. Zaegel, J. C. Gallucci, P. Meunier, B. Gautheron, E. I. Bzowej, and L. A. Paquette, "Analysis of Spectroscopic, Reactivity, and Structural Differences Originating Uniquely from Differing Modes of π-Facial Complexation. The Three Possible Stereoisomeric Bis(isodi- cyclopentadienyl)titanium Combinations," Organometallics, 14, 4576 (1995).

944. L. A. Paquette, S. Hormuth, and C. J. Lovely, "Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 4. Exploration of an Organometallic Approach to Construction of the Eastern Sector," J. Org. Chem., 60, 4813 (1995).

945. R. J. Graham and L. A. Paquette, "Molecular Ladders Constituted of Laterally-Fused 1,4- Cyclohexadiene Subunits. Open-Chain Models of the [n]Beltenes," J. Org. Chem., 60, 5770 (1995).

946. L. A. Paquette and S. Borrelly, "Studies Directed toward the Total Synthesis of Kalmanol. An Approach to Construction of the C/D Diquinane Substructure," J. Org. Chem., 60, 6912 (1995).

947. L. A. Paquette and H.-L. Wang, "Total Synthesis of (+)-Grindelic Acid by Stereocontrolled Oxonium Ion-Activated Pinacol Ring Expansion. Chemical Proof of the Absolute Configura- tion of All Grindelane Diterpenes," Tetrahedron Lett., 36, 6005 (1995).

948. L. A. Paquette and T. M. Mitzel, "Chelation Control Associated with Organometallic Addition Reactions in Water. The High Stereoselectivity Offered by α-and β-Hydroxyl Substituents Obviates the Need for Protecting Groups," Tetrahedron Lett., 36, 6863 (1995).

949. C. Fritze, M. Knickmeier, G. Erker, F. Zaegel, B. Gautheron, P. Meunier, and L. A. Paquette, "exo,exo-Bis(isodicyclopentadienyl)titanium and -zirconium Dichloride. Conformational Characterization of the Homogeneous Ziegler Catalyst Precursors in Solution," Organo-metallics, 14, 5446 (1995).

950. L. A. Paquette (Editor-in-Chief), "Encyclopedia of Reagents for Organic Synthesis," John Wiley and Sons, Inc., Chichester, 1995.

951. L. A. Paquette, E. I. Bzowej, B. M. Branan, and K. J. Stanton, "Oxidative Coupling of the Enolate Anion of (1R)-(+)-Verbenone with Fe(III) and Cu(II) Salts. Two Modes of Con- joining this Bicyclic Ketone Across a Benzene Ring," J. Org. Chem., 60, 7277 (1995).

952. L. A. Paquette and S. Bailey, "Evaluation of D-Ribose as an Enantiopure Building Block for Construction of the C-Ring of Taxol and its Congeners," J. Org. Chem., 60, 7849 (1995).

953. L. A. Paquette, F. J. Montgomery, and T.-Z. Wang, "An Abbreviated, Highly Stereocon- trolled Route to Precursors of Taxol. Elaboration of a Fully Functionalized C Ring by Means of Intramolecular Aldol Cyclization," J. Org. Chem., 60, 7857 (1995). 104 HETEROCYCLES, Vol. 62, 2004

1996

954. S. Borrelly and L. A. Paquette, "Studies Directed to the Synthesis of the Unusual Cardiotoxic Agent Kalmanol. Enantioselective Construction of the Advanced Tetracyclic 7-Oxo-5,6- dideoxy Congener," J. Am. Chem. Soc., 118, 727 (1996).

955. T. M. Morwick and L. A. Paquette, "Mapping the Chemical Reactivity of Polyquinanes Produced by Twofold Addition of Vinyl Anions to Squarate Esters. A Bicyclic Case Study," J. Org. Chem., 61, 146 (1996).

956. L. A. Paquette, T. M. Morwick, J. T. Negri, and R. D. Rogers, "Addition of 2,3-Dihydro-5- furanyllithium to Diisopropyl Squarate as a Means for the Rapid Generation of Structurally Complex Oxygen-Containing Tetraquinane Networks," Tetrahedron, 52, 3075 (1996).

957. L. A. Paquette, "Strategies for the Stereocontrolled de novo Synthesis of Natural Products," In "Studies in Natural Products Chemistry, Vol. 18", Elsevier, pp 3-42, 1996.

958. N. Kozmina and L. A. Paquette, "(1R,5S)-(+)-Nopinone of High Enantiomeric Purity," Synth. Commun., 26, 2027 (1996).

959. L. A. Paquette and P. Doussot, "New Transformations Involving Squarate Esters. Multi- channel Rearrangement Options Available to 2-(Dimethoxymethyl-1-cycloalken)-1-yl Adducts," Research Chem. Intermed., 22, 767 (1996).

960. L. A. Paquette and H.-C. Tsui, "Synthesis of Both Antipodal Forms of 7,7-Dimethylbicyclo- [2.2.2]oct-2-en-5-one by Enantiomer Interconversion," J. Org. Chem., 61, 142 (1996).

961. T.-Z. Wang, E. Pinard and L. A. Paquette, "Asymmetic Synthesis of the Diterpenoid Marine Toxin (+)-Acetoxycrenulide," J. Am. Chem. Soc., 118, 1309 (1996).

962. L. A. Paquette, J. C. Lanter, and H.-L. Wang, "Concise Synthesis of cis- and trans- Theaspirones via Oxonium Ion-Initiated Pinacol Ring Expansion," J. Org. Chem., 61, 1119 (1996).

963. L. A. Paquette and H.-C. Tsui, "Expedient Enantiocontrolled Synthesis of a Tetracyclic Lactone Structurally Related to the Kaurane Diterpenoids," Synlett, 129 (1996).

964. L. A. Paquette and W. E. Trego, "Extended Projection of C60 Spheres into Three-Dimensional Space. Three-fold Cycloaddition of [60]Fullerene to Hericene," J. Chem. Soc., Chem. Commun., 419 (1996).

965. L. A. Paquette and T. M. Mitzel, "Addition of Allylindium Reagents to Aldehydes Substituted at Cα or Cβ with Oxygen-Containing Functional Groups. Analysis of the Modulation in Diastereoselectivity Attainable in Aqueous, Organic, and Mixed Solvent Systems," J. Am. Chem. Soc., 118, 1931 (1996).

966. L. A. Paquette and P. C. Lobben, "π-Facial Diastereoselection in the 1,2-Addition of Allylmetal Reagents to 2-Methoxy- and 2-(Spirotetrahydrofuranyl)cyclohexanones," J. Am. Chem. Soc., 118, 1917 (1996).

967. T. M. Morwick and L. A. Paquette, "Preparation of Polyquinanes by Double Addition of Vinyl Anions to Squarate Esters: 4,5,6,6a-Tetrahydro-3a-hydroxy-2,3-diisopropoxy-4,6a- dimethyl-1(3aH)pentalenone," Org. Synth., 74, 169 (1996). HETEROCYCLES, Vol. 62, 2004 105

968. L. A. Paquette, L. H. Kuo, and J. Doyon, "Reaction Cascades Based on Squarate Esters. 1,3-Dioxolane as a Chaperone Functional Group for Lithium Ions," Tetrahedron, 52, 11625 (1996).

969. L. A. Paquette, S. Liang, and H.-L. Wang, "Stereoselective Construction of the Dicyclopenta- [a,d]cyclooctene Core of the Ceroplastin Sesterterpenes by Way of the Anionic Oxy-Cope Rearrangement," J. Org. Chem., 61, 3268 (1996).

970. L. A. Paquette, J. Doyon, and L. H. Kuo, "Sequenced Reactions Involving Squarate Esters. The First Suggestion that Helical Equilibration Within the Advanced Octatetraene Inter- mediate is Responsible for Stereochemical Control," Tetrahedron Lett., 37, 3299 (1996).

971. S. Borrelly and L. A. Paquette, "Cyclization to Stereoisomeric Hexahydro-3,6-pentaleno[1,6- cd]pyran-1(3H)-ones. A Model Study Explains the Preference for Trans Products," J. Org. Chem., 61, 2569 (1996).

972. L. A. Paquette, C. F. Sturino, X. Wang, J. Prodger, and D. Koh, "A Unified Strategy for the Stereocontrolled Construction of Structurally Unusual Sesquiterpene Lactones. Asymmetric Synthesis of Vulgarolide and Deoxocrispolide," J. Am. Chem. Soc., 118, 5620 (1996).

973. L. A. Paquette, B. M. Branan, and M. Stepanian, "Unprecedented Loss of Stereochemical Integrity at a Neighboring Quaternary Carbon During Oxidation of a Highly Substituted Cyclohexanol," Tetrahedron Lett., 37, 1721 (1996).

974. L. A. Paquette, M. Stepanian, B. M. Branan, S. D. Edmondson, C. B. Bauer, and R. D. Rogers, "Conformational Analysis of Poly(spirotetrahydrofuranyl)cyclohexyl Systems. The Preference of C–O Bonds for Equatorial Occupancy," J. Am. Chem. Soc., 118, 4504 (1996).

975. J. C. Gallucci, M. R. Sivik, L. A. Paquette, F. Zaegel, P. Meunier, and B. Gautheron, "Two - Derivatives of Lithium Isodicyclopentadienide: (IsodiCp)Li(TMEDA) and [(IsodiCp)2Li]

[Li(12-crown-4)2], Acta Cryst., C52, 1673 (1996).

976. N. G. Landmesser, H.-C. Tsui, C.-H. R. King, and L. A. Paquette, "Regiocontrolled C-8 Acylation of Castanospermine," Synthetic Commun., 26, 2213 (1996).

977. L. A. Paquette, T. B. Lowinger, D. G. Bolin, and B. M. Branan, "trans,anti,trans-Tetra- (spirotetrahydrofuranyl)cyclohexane-1,2-dione. Stereocontrolled Synthesis and Definition of Its Susceptibility to Photoisomerization," J. Org. Chem., 61, 7486 (1996).

978. L. A. Paquette, M. Stepanian, U. V. Mallavadhani, T. D. Cutarelli, T. B. Lowinger, and H. J. Klemeyer, "Definition of Several Control Elements Relevant to the Stereodefined Serial Elaboration of Belted Poly(spiro)tetrahydrofurans Fitted with a Cyclohexane Core," J. Org. Chem., 61, 7492 (1996).

979. L. A. Paquette and H.-L. Wang, "Stereocontrolled Synthesis of (ent)-Grindelic Acid. A Useful Example of Diastereofacial Guidance in an Oxonium Ion-Initiated Pinacolic Ring Expansion," J. Org. Chem., 61, 5352 (1996).

980. L. A. Paquette, D. Backhaus, and R. Braun, "Direct Asymmetric Entry into the Cytotoxic 8,9- Secokaurene Diterpenes. Total Synthesis of (-)-O-Methylshikoccin and (+)-O-Methylepoxy- shikoccin," J. Am. Chem. Soc., 118, 11990 (1996).

981. L. A. Paquette, C. F. Sturino, and P. Doussot, "Formation of Highly Oxygenated [4.4]Spirononenes via Lewis Acid-Catalyzed Isomerization of Adducts to Squarate Esters. Total Synthesis of Dimethyl Gloiosiphone A," J. Am. Chem. Soc., 118, 9456 (1996).

106 HETEROCYCLES, Vol. 62, 2004

982. N. Maezaki, H. J. M. Gijsen, L.-Q. Sun, and L. A. Paquette, "Evaluation of Furan Photo- oxygenation as a Device for Construction of the Zaragozic Acid (Squalestatin) Core," J. Org. Chem., 61, 6685 (1996).

983. L. A. Paquette, E. I. Bzowej, and R. Kreuzholz, "Optically Pure C2-Symmetric Transition Metal Complexes. Steric Consequences of Flanking the Cyclopentadienyl Anion with a Pair or Bridged Bicyclic Terpene-Derived Hydrocarbon Subunits," Organometallics, 15, 4857 (1996).

984. L. A. Paquette and J. Tae, "Stereocontrolled Preparation of Spirocyclic Ethers by Intramole- cular Trapping of Oxonium Ions with Allylsilanes," J. Org. Chem., 61, 7860 (1996).

985. M. R. Sivik, W. Bauer, P. von R. Schleyer, and L. A. Paquette, "(1S,2S,9R,10R)- Tetracyclo[8.2.1.02,9.03,7]trideca-3,6-dienyllithium. Tentative Evidence for a Quinternary Equilibrium Involving a Cyclopentadienide Anion," Organometallics, 15, 5202 (1996).

986. L. A. Paquette and T. M. Mitzel, "Comparative Diastereoselectivity Analysis of Crotylindium and 3-Bromoallylindium Additions to α-Oxy Aldehydes in Aqueous and Nonaqueous Solvent Systems," J. Org. Chem., 61, 8799 (1996).

987. C. E. Thomas, P. Bernardelli, S. M. Bowen, S. F. Chaney, D. Friedrich, D. A. Janowick, B. K. Jones, F. J. Keeley, J. H. Kehne, B. Ketteler, D. F. Ohlweiler, L. A. Paquette, D. J. Robke, and T. L. Fevig, "Cyclic Nitrone Free Radical Traps: Isolation, Identification, and Synthesis of a Metabolite with Reduced Side Effects," J. Med. Chem., 39, 4997 (1996).

1997

988. D. Backhaus and L. A. Paquette, "Synthetic Entry into the ent-Kaurene Framework. Application of an Unprecedented Transannular Cyclization for Forming the Central Bond Common to the B and C Rings," Tetrahedron Lett., 38, 29 (1997).

989. T. M. Morwick and L. A. Paquette, "Combined Addition of Alkenyl and Allenic Anions to Squarate Esters. Direct Competition Between Six-Ring and Eight-Ring Electrocyclization to 1,2,4,6,8-Cumulenic Pentaenes," J. Org. Chem., 62, 627 (1997).

990. L. A. Paquette, L.-Q. Sun, D. Friedrich, and P. B. Savage, "Highly Enantioselective Total Synthesis of Natural Epoxydictymene. An Alkoxy-Directed Cyclization Route to Highly Strained trans-Oxabicyclo[3.3.0]octanes," Tetrahedron Lett., 38, 195 (1997).

991. L. A. Paquette and T. M. Morwick, "The Squarate Ester–Polyquinane Connection. An Analysis of the Capacity of Achiral Divinyl Adducts to Rearrange Spontaneously to Polycyclic Networks Housing Multiple Stereogenic Centers," J. Am. Chem. Soc., 119, 1230 (1997).

992. L. A. Paquette, A. T. Hamme, II, L. H. Kuo, J. Doyon, and R. Kreuzholz, "Probe of the Stereochemically Determining Step in Squarate Ester Cascades. Proof that Helical Equilibration within the Octatetraene Intermediate is Responsible, and Definition of Steric Control Elements," J. Am. Chem. Soc., 119, 1242 (1997).

993. C. F. Sturino, P. Doussot, and L. A. Paquette, "Antimicrobial Algal Metabolites of Unusual Structure. Concise Synthesis of the Highly Oxygenated [4.4]Spirononene Dimethyl Gloiosiphone A by Ring Expansion of Dimethyl Squarate," Tetrahedron, 53, 8913 (1997).

HETEROCYCLES, Vol. 62, 2004 107

994. L. A. Paquette, J. C. Lanter, and J. N. Johnston, "Single Stereodifferentiation Associated with Carbon Atom Insertion during the Oxonium Ion-Initiated Pinacol Rearrangement of Dihydro- furanyl and Dihydropyranyl Carbinols," J. Org. Chem., 62, 1702 (1997).

995. L. A. Paquette, M. J. Kinney, and U. Dullweber, "Practical Synthesis of Spirocyclic Bis-C,C- Glycosides. Mechanistic Models in Explanation of Rearrangement Stereoselectivity and the Bifurcation of Reaction Pathways," J. Org. Chem., 62, 1713 (1997).

996. L. A. Paquette, Z. Gao, Z. Ni, and G. F. Smith, "Synthetic Studies on Spinosyn A. Con- venient Enantioselective Construction of a Suitably Functionalized trans,anti,cis-Decahydro- as-indacene Intermediate via [3.3] Sigmatropy and Double Configurational Inversion," Tetra- hedron Lett., 38, 1271 (1997).

997. L. A. Paquette and J. Doyon, "Realization of Complete Regiochemical Control during the Conversion of Squarate Esters into Complex Linear and Angular Polyquinanes. The Consequences of Incorporating a Leaving Group into One of the Alkenyllithium Reagents," J. Org. Chem., 62, 1723 (1997).

998. L. A. Paquette, L. H. Kuo, A. T. Hamme, II, R. Kreuzholz, and J. Doyon, " Sensitivity of Substitution to the Extent of Self-Immolative Chirality Transfer during Reaction Cascades Originating from Squarate Esters," J. Org. Chem., 62, 1730 (1997).

999. L. A. Paquette, L. H. Kuo, and J. Doyon, "Enhanced Channeling of the Squarate Ester Cascade Through the Dianionic Oxy-Cope Option. Oxy Substitution Markedly Augments Syn Delivery of the Second Alkenyllithium," J. Am. Chem. Soc., 119, 3038 (1997).

1000. L. A. Paquette, "Recent Applications of Anionic Oxy-Cope Rearrangements," Tetrahedron, 53, 13971 (1997).

1001. M. Stepanian, W. E. Trego, D. G. Bolin, L. A. Paquette, S. Sareth, and F. G. Riddell, "Vicinal Tetrahydrofuran Polysubstitution of Simulated Fatty Acids," Tetrahedron, 53, 7403 (1997).

1002. L. A. Paquette, L.-Q. Sun, T. J. Watson, and B. T. Freeman, "Bridgehead Oxiranyl Sesquiterpenoids. Asymmetric Total Synthesis of (-)-Salsolene Oxide," J. Am. Chem. Soc., 119, 2767 (1997).

1003. L. A. Paquette, "Oxonium Ion-Initiated Pinacolic Ring Expansion Reactions," Recent Res. Devel. in Chemical Sciences, 1 (1997).

1004. J. C. Gallucci, N. Kozmina, L. A. Paquette, F. Zaegel, P. Meunier, B. Gautheron, "Exo and Endo Isomers of Ti(isodiCp)Cl3", Acta Cryst., C53, 1416 (1997).

1005. L. A. Paquette, T. M. Mitzel, M. B. Isaac, C. F. Crasto, and W. W. Schomer, "Diastereo- selection during 1,2-Addition of the Allylindium Reagent to α-Thia and α-Amino Aldehydes in Aqueous and Organic Solvents," J. Org. Chem., 62, 4293 (1997).

1006. L. A. Paquette, G. D. Bennett, A. Chhatriwalla, and M. B. Isaac, "Factors Influencing 1,4- Asymmetric Induction during Indium-Promoted Coupling of Oxygen-Substituted Allylic Bromides to Aldehydes in Aqueous Solution," J. Org. Chem., 62, 3370 (1997).

1007. M. B. Isaac and L. A. Paquette, "Experimental Test of Setting Three Contiguous Stereogenic Centers in Water. Diastereoselective Coupling of Geometrically Biased Allylic Bromides to α-Oxy Aldehydes with Indium," J. Org. Chem., 62, 5333 (1997).

108 HETEROCYCLES, Vol. 62, 2004

1008. L. A. Paquette, L.-Q. Sun, D. Friedrich, and P. B. Savage, "Total Synthesis of (+)- Epoxydictymene. Application of Alkoxy-Directed Cyclization to Diterpenoid Construction," J. Am. Chem. Soc., 119, 8438 (1997).

1009. L. A. Paquette and J. Tae, "Use of Metalated Enecarbamates in the Squarate Cascade. Direct Access to Highly Functionalized 1,4-Cyclooctadienones by Intramolecular Interception of the Mesocyclic Dienolates, " Tetrahedron Lett., 38, 3151 (1997).

1010. P. Bernardelli and L. A. Paquette, "Stereoselective Indium-Promoted Allylation of γ-Hydroxy- γ-lactones under Aqueous Conditions. The Neighboring Carboxyl Effect," J. Org. Chem., 62, 8284 (1997).

1011. L. A. Paquette and D. Zuev, "A Modular Approach to Marine Macrolide Construction. 1. An Enantiocontrolled Route to the Cl-C12 (AB) Spiroacetal Sector," Tetrahedron Lett., 38, 5115 (1997).

1012. L. A. Paquette and A. Braun, "A Modular Approach to Marine Macrolide Construction. 2. Concise Stereocontrolled Synthesis of the C17-C28 (CD) Spiroacetal Component," Tetrahedron Lett., 38, 5119 (1997).

1013. L. A. Paquette, D. Backhaus, R. Braun, T. L. Underiner, and K. Fuchs, "First Synthesis of Cytotoxic 8,9-Secokaurene Diterpenoids. An Enantioselective Route to (-)-O- Methylshikoccin and (+)-O-Methylepoxyshikoccin," J. Am. Chem. Soc., 119, 9662 (1997).

1014. L. A. Paquette, L.-Q. Sun, T. J. N. Watson, D. Friedrich, and B. T. Freeman, "Utilization of the Phenylthio Substituent as a Multipurpose Synthetic Tool. Direct Application to the Enantioselective Construction of (-)-Salsolene Oxide," J. Org. Chem., 62, 8155 (1997).

1015. L. A. Paquette and C. Behrens, "A Ring-Expansion Route to Analogues of Dideoxy- hydantocidin," Heterocycles, 46, 31 (1997).

1998

1016. C. Behrens and L. A. Paquette, "N-Benzyl-2,3-azetidinedione," Org. Synth., 75, 106 (1998).

1017. L. A. Paquette, "Opportunities Offered by Indium-Promoted Carbon-Carbon Bond-Forming Reactions in Water," In Green Chemistry: Frontiers in Benign Chemical Synthesis and Processing, Anastas, P. and Williamson, T., Eds., Oxford University Press, Oxford, 1998, pp 250-264.

1018. L. A. Paquette, H.-L. Wang, and Z. Su, "Synthetic Studies Involving Bridgehead α,β- Unsaturated Ketones. Protocols for Regiocontrolled α-Methylation," Synthesis, 1123 (1998).

1019. L. A. Paquette, G. D. Bennett, M. B. Isaac, and A. Chhatriwalla, "Effective 1,4-Asymmetric C-C/C-O Stereoinduction in Indium-Promoted Coupling Reactions of Aldehydes to Protected and Unprotected [1-(Bromomethyl)vinyl] Alkanols. The Status of Intramolecular Chelation within Functionalized Allylindium Reagents," J. Org. Chem., 63, 1836 (1998).

1020. J. N. Johnston, Y. O. Long, and L. A. Paquette, "New Extensions of the Anionic Oxy-Cope Intramolecular SN' Cascade" Synth. Commun., 28, 1509 (1998).

HETEROCYCLES, Vol. 62, 2004 109

1021. L. A. Paquette, L. H. Kuo, and J. Tae, "Evaluation of Amino Substituents as Nucleofugal Controllers of Regioselectivity and as Chelative Modulators of Stereoselectivity in Squarate Ester Cascades," J. Org. Chem., 63, 2010 (1998).

1022. L. A. Paquette and J. Tae, "1,5-Asymmetric Induction in Squarate Cascades. Conformational Control of Helicity by Chiral Amino Substituents during Conrotatory Octatetraene Cyclization Prior to β-Elimination," J. Org. Chem., 63, 2022 (1998).

1023. J. C. Gallucci, O. Gobley, F. Zaegel, P. Meunier, B. Gautheron, N. Kozmina, and L. A. Paquette, "Solid-State Structural Analysis of the "Naked" Isodicyclopentadienide Anion," Organometallics, 17, 111 (1998).

1024. L. A. Paquette and T. M. Heidelbaugh, "Studies Directed to the Synthesis of the Antifungal Antibiotic Aleurodiscal. Enantioselective Construction of an Advanced β-D-Xyloside Congener," Synthesis, 495 (1998).

1025. L. A. Paquette and M. B. Isaac, "Diastereoselective Indium-Promoted Addition of Functionalized Allyl Bromides to N-Benzyl-2,3-Azetidinedione under Aqueous Conditions," Heterocycles, 47, 107 (1998).

1026. J. N. Johnston, H.-C. Tsui, and L. A. Paquette, "Application of an S → O Allylic Transposition in the Context of a Bridgehead Olefinic System. New Opportunities for the Structural Modification of Bicyclo[6.2.1]undecanes via Transannular Ring Closure," J. Org. Chem., 63, 129 (1998).

1027. Q. Zeng, S. Bailey, T.-Z. Wang, and L. A. Paquette, "Bicyclic Systems Related to Taxol. A Direct Means for Implementing C-2 Oxygenation and Demonstration of the Feasibility of α- Ketol Equilibration in a Fully Oxygenated B-Ring Setting," J. Org. Chem., 63, 137 (1998).

1028. L. A. Paquette, Z. Gao, Z. Ni, and G. F. Smith, "Total Synthesis of Spinosyn A. 1. Enantioselective Construction of a Key Intermediate by a Multiple Configurational Inversion Scheme," J. Am. Chem. Soc., 120, 2543 (1998).

1029. L. A. Paquette, I. Collado, and M. Purdie, "Total Synthesis of Spinosyn A. 2. Degradation Studies Involving the Pure Factor and its Complete Reconstitution," J. Am. Chem. Soc., 120, 2553 (1998).

1030. J. D. Schloss and L. A. Paquette, "A Convenient One-Pot Procedure for the Direct Conversion of Alkenes to Homoallylic Alcohols," Synth. Commun., 28, 2887 (1998).

1031. J. C. Gallucci, N. Kozmina, and L. Paquette, "A Dimer of [TiCI2(isodiCp)]2µ-O and Twinned Cyclic Tetramer of [TiCl2(isodiCp)(µ-O]4," Acta Cryst., C54, 1609 (1998).

1032. L. A. Paquette, R. R. Rothhaar, M. Isaac, L. M. Rogers, and R. D. Rogers, "Diastereo- and Enantiodifferentiation in Indium-Promoted Allylations of 2,3-Azetidinediones in Water. Definition of Long-Range Stereocontrol Elements on π-Facial Selectivity for β-Lactam Synthesis," J. Org. Chem., 63, 5463 (1998).

1033. L. A. Paquette and M. Zhao, "Enantiospecific Total Synthesis of Natural (+)-Taxusin. 1. Retrosynthesis, Advancement to Diastereomeric trans-Δ9,10-Tricyclic Olefinic Intermediates, and the Stereocontrol Attainable Because of Intrinsic Rotational Barriers Therein," J. Am. Chem. Soc., 120, 5203 (1998).

1034. L. A. Paquette, H.-L. Wang, Z. Su, and M. Zhao, "Enantiospecific Total Synthesis of Taxusin. 2. Functionalization of the A Ring and Arrival at the Target," J. Am. Chem. Soc., 120, 5213 (1998). 110 HETEROCYCLES, Vol. 62, 2004

1035. L. A. Paquette and B. P. Dyck, "Studies Directed toward the Total Synthesis of Cerorubenic Acid-III. 5. A Radical Cyclization Route Leading to the Methyl Ester of the Natural Isomer," J. Am. Chem. Soc., 120, 5953 (1998).

1036. L. A. Paquette and P. C. Lobben, "Evaluation of Chelation Effects Operative during Diastereoselective Addition of the Allylindium Reagent to 2- and 3-Hydroxycyclohexanones in Aqueous, Organic, and Mixed Solvent Systems," J. Org. Chem., 63, 5604 (1998).

1037. L. A. Paquette, "Cascade Rearrangements Following Twofold Addition of Alkenyl Anions to Squarate Esters," Eur. J. Org. Chem., 1709 (1998).

1038. L. A. Paquette, D. G. Bolin, M. Stepanian, B. M. Branan, U. V. Mallavadhani, J. Tae, S. W. E. Eisenberg, and R. D. Rogers, "Intramolecular Oxymercuration of Stereoisomeric Cyclohexyl-Belted Poly(spirotetrahydrofuranyl) Platforms," J. Am. Chem. Soc., 120, 11603 (1998).

1039. L. A. Paquette, H.-L. Wang, Q. Zeng, and T.-L. Shih, "Heteroatomic Modulation of Oxyanionic Cope Rearrangement Rates. Consequences on Competing Nucleophilic Cleavage of an Oxetane Ring in Precursors to Paclitaxel," J. Org. Chem., 63, 6432 (1998).

1040. P. C. Lobben and L. A. Paquette, "Allylindation of 6-Substituted 2-Hydroxy-1-tetralones in Aqueous and Organic Media. Stereochemistry and Competition Studies," J. Org. Chem., 63, 6690 (1998).

1041. L. A. Paquette, Q. Zeng, H.-C. Tsui, and J. N. Johnston, "Stereochemical Models for the Enantiocontrolled Construction of Fully Functionalized C Rings via Intramolecular Aldolization in Advanced Precursors to Paclitaxel," J. Org. Chem., 63, 8491 (1998).

1042. L. A. Paquette, D. Pissarnitski, and L. Barriault, "A Modular Enantioselective Approach to Construction of the Macrolactone Core of Polycavernoside A," J. Org. Chem., 63, 7389 (1998).

1043. L. A. Paquette and J. Mendez-Andino, "Intramolecular Cyclization of Tethered Phenyl Ketones. Complementary Stereochemical Results Arising from the Indium-Promoted Ring Closure of Allyl Bromides and the Fluoride Ion-Induced Desilylation of Allylsilanes," J. Org. Chem., 63, 9061 (1998).

1045. H.-C. Tsui and L. A. Paquette, "Olefin Cleavage under Osmylation Conditions," J. Org. Chem., 63, 8071 (1998).

1045. O. Gobley, P. Meunier, B. Gautheron, J. C. Gallucci, G. Erker, K Dahlmann, J. D. Schloss, and L. A. Paquette, "Some New exo,exo-Bis(isodicyclopentadienyl)titanium and -zirconium Dichloride Derivatives: Synthesis, Characterization, and Evaluation as Propene Polymerization Catalysts," Organometallics, 17, 4897 (1998).

1046. L. A. Paquette, M. Zhao, F. Montgomery, Q. Zeng, T. Z. Wang, S. Elmore, K. Combrink, H.-L. Wang, S. Bailey, and Z. Su, "From D-Camphor to the Taxanes. Highly Concise Rearrangement-Based Approach to Taxusin and Taxol," Pure Appl. Chem., 70, 1449 (1998).

1047. H.-C. Tsui and L. A. Paquette, "Reversible Charge-Accelerated Oxy-Cope Rearrangements," J. Org. Chem., 63, 9968 (1998).

1048. P. Bernardelli and L. A. Paquette, "Survey of Oxygenated 2,11-Cyclized Cembranoids of Marine Origin," Heterocycles, 49, 531 (1998).

HETEROCYCLES, Vol. 62, 2004 111

1999

1049. L. A. Paquette and R. R. Rothhaar, "Competitive Intramolecular/Intermolecular Chelation Options Operative During Indium-Promoted Additions to Pyridyl Aldehydes and to Glyoxylic Acid under Aqueous Conditions," J. Org. Chem., 64, 217 (1999).

1050. L. A. Paquette, J. Tae, E. Hickey, and R. D. Rogers, "A Belted Monofacial Ionophore Featuring High Selectivity for Lithium Ion Complexation," Angew. Chem. Int. Ed., 38, 1409 (1999).

1051. L. A. Paquette, J. Tae, B. M. Branan, S. W. E. Eisenberg, and J. E. Hofferberth, "Synthesis and Conformational Properties of the Sterically Crowded D3d-Symmetric all-trans Hexa(spirotetrahydrofuranyl)cyclohexane System," Angew. Chem. Int. Ed., 38, 1412 (1999).

1052. L. A. Paquette, B. A. Stearns, P. A. Mooney, and J. Tae, "Synthesis of meso- and dl-2,2'- Methylenebis[tetrahydro-2-furanmethanol]. Potential Building Blocks for the Construction of Ionophores Housing Spirotetrahydrofuranyl Motifs," Heterocycles, 50, 27 (1999).

1053. L. A. Paquette, S. Brand, and C. Behrens, "An Enantioselective Ring Expansion Route Leading to Furanose and Pyranose Nucleosides Featuring Spiroketopiperazines at the Anomeric Position," J. Org. Chem., 64, 2010 (1999).

1054. L. A. Paquette, T.-L. Shih, Q. Zeng, and J. E. Hofferberth, "Synthesis of Stereodefined Z- Vinyl Iodides from Carbohydrates as a Prelude to C/D Ring Assembly in Taxanes," Tetrahedron Lett., 40, 3519 (1999).

1055. L. A. Paquette, L. Barriault, and D. Pissarnitski, "A Convergent Total Synthesis of the Macrolactone Disaccharide Toxin (-)-Polycavernoside A," J. Am. Chem. Soc., 121, 4542 (1999).

1056. F.-T. Hong and L. A. Paquette, "Heteroatomic Effects on the Reducibility of C-2 Carbinol Centers in 6-Ethoxy-3,6-dihydropyrans and -thiopyrans," J. Org. Chem., 64, 3783 (1999).

1057. L. A. Paquette and J. Méndez-Andino, "A Direct, Highly Convergent Route to α-Methylene- γ-lactones Fused to Medium and Large Rings," Tetrahedron Lett., 40, 4301 (1999).

1058. S. Usui and L. A. Paquette, "Adaptation of the Photo-Induced [1,3]-Allylic Phenylthio Shift to the Preparation of Functionalized Diquinanes," Tetrahedron Lett., 40, 3495 (1999).

1059. L. A. Paquette and S. Usui, "Tandem Use of Reductive and Radical Cyclization Protocols in an Approach to the First σ-Allyl Cation," Tetrahedron Lett., 40, 3499 (1999)

1060. L. A. Paquette and Q. Zeng, "Base-Promoted 1,2-Shifts in α-Benzyloxy Ketones," Tetrahedron Lett., 40, 3823 (1999).

1061. L. A. Paquette, S. Nakatani, T. M. Zydowsky, S. D. Edmondson, L.-Q. Sun, and R. Skerlj, "Studies Directed toward the Synthesis of the Unusual Antileukemic Diterpene Jatrophatrione. 1. A Solution to the Problem of Chirality Merger during Elaboration of the Entire Carbotri- cyclic Framework, " J. Org. Chem., 64, 3244 (1999).

1062. L. A. Paquette, S. D. Edmondson, N. Monck, and R. D. Rogers, "Studies Directed toward the Synthesis of the Unusual Antileukemic Diterpene Jatrophatrione. 2. Functionalization of Advanced Polycyclic Precursors to the 9-Epi and 8,9-Dehydro Congeners," J. Org. Chem., 64, 3255 (1999). 112 HETEROCYCLES, Vol. 62, 2004

1063. L. A. Paquette, B. E. Kern, and J. Méndez-Andino, "An Indium-Promoted Alternative to the Knoevenagel Condensation of Aldehydes with Methyl Acetoacetate," Tetrahedron Lett., 40, 4129 (1999).

1064. O. Gobley, S. Gentil, J. D. Schloss, R. D. Rogers, J. C. Gallucci, P. Meunier, B. Gautheron, and L. A. Paquette, "Magnesiation of Isodicyclopentadiene. Formation of Sandwich and Monomeric Complexes, and the Stereoselectivity of their Reactions with Transition Metal Halides," Organometallics, 18, 2531 (1999).

1065. L. Barriault, S. L. Boulet, K. Fujiwara, A. Murai, L. A. Paquette, and M. Yotsu-Yamashita, "Synthesis and Biological Evaluation of Analogs of the Marine Toxin Polycavernoside A," Bioorg. Medicin. Chem. Lett., 9, 2069 (1999).

1066. Q. Zeng and L. A. Paquette, "Selective Acylation Reactions of an Isotaxane Tetraol. A Direct Pathway to Introduction of the Oxetane Ring," Synlett, 1547 (1999).

1067. L. A. Paquette and J. Tae, "A Head-to-Head Comparison of α- and β-Alkoxy Effects on Stereoselectivity. Nucleophilic Additions to a Cyclohexanone Substituted with Five Axial C- O Bonds," Tetrahedron Lett., 40, 5971 (1999).

1068. L. A. Paquette, S. V. O'Neil, N. Guillo, Q. Zeng, and D. G. Young, "The Need for an Incisive Analysis of the Regioselectivity Associated with the Deprotonation of α-Alkoxy and α-Acyloxy Ketones," Synlett, 1857 (1999).

1069. L. A. Paquette and S. M. Leit, "The First Examples of Bridgehead Bicyclic Sultams," J. Am. Chem. Soc. 121, 8126 (1999).

1070. L. A. Paquette and R. Zhou, "Synthesis of Enantiopure C2-Symmetric VERDI Disulfonamides and their Application to the Catalytic Enantioselective Addition of Diethylzinc to Aromatic and Aliphatic Aldehydes," J. Org. Chem., 64, 7929 (1999).

1071. S. D. Paget and L. A. Paquette, "Enantioselective Synthesis of a Functionalized 3- Methylenetetrahydropyran Building Block for Possible Conversion to Neoliacinic Acid," J. Ind. Chem. Soc., 76, 515 (1999).

1072. L. A. Paquette, I. Konetzki, and M. Duan, "Synthesis of the Tripeptide (C1-N12) and Hydroxylated Hexadecene (C26-C41) Domains of Sanglifehrin A and C," Tetrahedron Lett., 40, 7441 (1999).

1073. S. M. Leit and L. A. Paquette, "Intramolecular Cyclization of Radicals Generated from α- Halomethylsulfonamides," J. Org. Chem., 64, 9225 (1999).

1074. F. Haeffner, K. N. Houk, Y. R. Reddy, and L. A. Paquette,"Mechanistic Variations and Rate Effects of Alkoxy and Thioalkoxy Substituents on Anionic Oxy-Cope Rearrangements," J. Am. Chem. Soc., 121, 11880 (1999).

2000

1075. J. Tae and L. A. Paquette, "Delineating the Possibilities for Intramolecular Interception of the Squarate Ester Cascade Through Use of Metalated Enecarbamates" Can. J. Chem., 78, 689 (2000).

HETEROCYCLES, Vol. 62, 2004 113

1076. L. A. Paquette, Y. R. Reddy, F. Haeffner, and K. N. Houk "Consequences of Heteroatomic C-6 Substitution on Rates of the Oxyanionic Oxy-Cope Rearrangement. The Remarkable Accelerating Effect of Sulfide Groups," J. Am. Chem. Soc., 122, 740 (2000).

1077. J. Tae, R. D. Rogers, and L. A. Paquette, "Lithium Ion-Selective Binding Properties of a Conformationally Constrained Tris(spirotetrahydrofuran) Secured to an Inositol Orthoformate Platform," Org. Lett. 2, 139 (2000).

1078. L. A. Paquette, J. Tae, and J. C. Gallucci, "Synthesis and Crystal Structure of a Unique Linear Homoditopic Ligand Bifacially Complexed to Lithium Picrate," Org. Lett. 2, 143 (2000).

1079. L. A. Paquette, L. Barriault, D. Pissarnitski, and J. N. Johnston, "Stereocontrolled Elaboration of Natural (-)-Polycaversoside A, a Powerfully Toxic Metabolite of the Red Alga Polycavernosa tsudai," J. Am. Chem. Soc., 122, 619 (2000).

1080. T. Yamazaki, A. Kuboki, H. Ohta, T. M. Mitzel, L. A. Paquette, and T. Sugai, "Yamadazyma Farinosa IFO 10896-Mediated Reduction of 4,4-Dimethoxy-2-butanone as the Key Step for the Preparation of 1,3-Diols with Unsymmetrical Substituents," Synth. Commun., 30, 3061 (2000).

1081. G. D. Bennett and L. A. Paquette, "Allyindation in Aqueous Media: Methyl 3- (Hydroxymethyl)-4-methyl-2-methylenepentanoate," Org. Synth. 77, 107 (2000).

1082. L. A. Paquette, Z. Zhao, F. Gallou, and J. Liu, "New Photorearrangements of 2- Cyclopentenones. The Genesis and Fate of Cyclopropylcarbinyl Biradical Intermediates," J. Am. Chem. Soc., 122, 1540 (2000).

1083. J.-F. Devaux, S. V. O'Neil, N. Guillo, and L. A. Paquette, "Studies Toward an Asymmetric Synthesis of CP-263,114 and CP-225,917," Coll. Czech. Chem. Commun., 65, 490 (2000).

1084. L. A. Paquette, Q. Zeng, H.-L. Wang, and T.-L. Shih, "From Carbohydrates to the Discovery of Pronounced Heteroatom Effects on Anionically Accelerated [3,3]-Sigmatropic Rearrangements," Eur. J. Org. Chem., 2187 (2000).

1085. L. A. Paquette, F. Fabris, J. Tae, J. C. Gallucci, and J. E. Hofferberth, "Catalytic Ring- Closing Metathesis of Doubly Armed, Bridged Bicyclic Sulfones. Evaluation of Chain Length and Intramolecular SO2 Group Ligation to the Ruthenium Carbenoid," J. Am. Chem. Soc., 122, 3391 (2000).

1086. L. A. Paquette, "Indium-Promoted Coupling Reactions in Water," In Green Chemistry: Recent Advances in Chemical Processing," Anastas, P.; Bartlett, L.; Williamson, T., Eds. ACS Symposium Series, Vol. 767, pp 100-112 (2000).

1087. D. Zuev and L. A. Paquette, "A Modular Approach to Marine Macrolide Construction. 3. Enantioselective Synthesis of the Cl-C28 Sector of Spongistatin 1 (Altohyrtin A)," Org. Lett., 2, 679 (2000).

1088. L. A. Paquette, J. Tae, M. P. Arrington, and A. H. Sadoun, "Enantioselective Double Michael Addition/Cyclization with an Oxygen-Centered Nucleophile as the First Step in a Concise Synthesis of Natural (+)-Asteriscanolide ," J. Am. Chem. Soc., 122, 2742 (2000).

1089. L. A. Paquette, N. Ohmori, T. B. Lowinger, and R. D. Rogers, "Vicinal Tetrahydrofuranyl Substitution of Alkyl Chains. Tetra-, Penta-, and Hexa-Functionalized Arrays," J. Org. Chem., 65, 4303 (2000). 114 HETEROCYCLES, Vol. 62, 2004

1090. I. Efremov and L. A. Paquette, "First Synthesis of a Rearranged neo-Clerodane Diterpenoid. Development of Totally Regioselective Trisubstituted Furan Ring Assembly and Medium-Ring Alkylation Tactics for Efficient Access to (-)-Teubrevin G," J. Am. Chem. Soc., 122, 9324, (2000).

1091. L. A. Paquette, J. D. Schloss, I. Efremov, F. Fabris, F. Gallou, J. Mendez-Andino, and J. Yang, "A Convenient Method for Removing All Highly-Colored By-Products Generated During Olefin Metathesis Reactions,"Org. Lett., 2, 1259 (2000).

1092. J. Mendez-Andino and L. A. Paquette, "Tandem Deployment of Indium-, Ruthenium-, and Lead-Promoted Reactions. Four-Carbon Intercalation Between the Carbonyl Groups of Open-Chain and Cyclic α-Diketones," Org. Lett., 2, 1263 (2000).

1093. L. A. Paquette, O. M. Moradei, P. Bernardelli, and T. Lange, "Synthesis of the Alleged Structure of Sclerophytin A. The Setting of Two Oxygen Bridges Within the Fused Cyclodecanol B Ring is Not Nature's Way", Org. Lett., 2, 1875 (2000).

1094. D. Friedrich, R. W. Doskotch, and L. A. Paquette, "Revised Constitution of Sclerophytins A and B," Org. Lett. 2, 1879 (2000).

1095. M. Duan and L. A. Paquette, "Highly Diastereocontrolled Synthesis of the C1-C25 Domain of Sanglifehrin A," Tetrahedron Lett., 41, 3789 (2000).

1096. J. D. Schloss, S. M. Leit, and L. A. Paquette, "Radical and Anionic Response of N- (Bromomethanesulfonyl)-Substituted α,α'-Bridged Piperidine Substrates," J. Org. Chem., 65, 7119 (2000).

1097. N. Cunière and L. A. Paquette, "The Case for Noncompetitive Cyclizative Options during Attempted Expedient Construction of the Core Ring System of CP-263,114," ARKIVOC, Vol.1, Part 3, paper 35 (2000).

1098. L. A. Paquette, Y. R. Reddy, G. Vayner, and K. N. Houk, "High Rate Acclerations in Oxy- Cope Rearrangements Induced by Sulfur Substitution. A Kinetic Study Involving Electronically and Geometrically Differentiated 1-Alkenyl-2-(Z-1-propenyl)-7,7-dimethyl-exo- norbornan-2-ols," J. Am. Chem. Soc., 122, 10788 (2000).

1099. L. A. Paquette, F. Gallou, Z. Zhao, D. G. Young, J. Liu, J. Yang, and D. Friedrich, "Propensity of 4-Methoxy-4-vinyl-2-cyclopentenones Housed in Tri- and Tetracyclic Frameworks for Deep-Seated Photochemical Rearrangement," J. Am. Chem. Soc., 122, 9610 (2000).

1100. S. Gentil, N. Pirio, P. Meunier, J. C. Gallucci, J. D. Schloss, and L. A. Paquette, "Stereoselective Access to New Half-Sandwich Complexes Containing an Isodicyclopentadienyl Ligand," Organometallics, 19, 4169 (2000).

1101. J. Mendez-Andino and L. A. Paquette, "Convergent Regiodirected Assembly of 2,3- Disubstituted Furans," Org. Lett., 2, 4095 (2000).

1102. L. A. Paquette, J. Tae, E. R. Hickey, W. E. Trego, and R. D. Rogers, "Preorganized Ligand Arrays Based on Spirotetrahydrofuranyl Motifs. Synthesis of the Stereoisomeric 1,8,14- Trioxatrispiro[4.1.4.1.4.1]octadecanes and the Contrasting Conformational Features and Ionic Binding Capacities of These Belted lonophores," J. Org. Chem., 65, 9160 (2000).

HETEROCYCLES, Vol. 62, 2004 115

1103. L. A. Paquette, J. Tae, B. M. Branan, D. G. Bolin, and S. W. E. Eisenberg, "Synthesis and Conformational Properties of Several Maximally Substituted Hexa(spirotetrahydro- furanyl)cyclohexanes. Assessment of the Pronounced Bias of the all-trans D3d-Symmetric Isomer for Total Equatorial Oxygen Occupancy," J. Org. Chem., 65, 9172 (2000).

1104. P. R. Rablen, L. A. Paquette, and W. T. Borden, "Why Doesn't All-trans-1,2,3,4,5,6- hexaspiro(THF)cyclohexane Complex Metal Ions?," J. Org. Chem., 65, 9180 (2000).

2001

1105. F. Gallou, D. W. C. MacMillan, L. E. Overman, L. A. Paquette, L. D. Pennington, and J. Yang, "Enantioselective Syntheses of Authentic Sclerophytin A, Sclerophytin B, and Cladiell- 11-ene-3,6,7-triol," Org. Lett., 3, 135 (2001).

1106. L. A. Paquette and J. Mendez-Andino, "Synthesis of Paddlanes Having a Bicyclo[1.1.1]pentane Core. The Consequences of Olefin Metathesis Involving 1,3- Dicarboxylate Esters of Varying Chain Length," Tetrahedron Lett. 42, 967 (2001).

1107. L. A. Paquette, "The Spirotetrahydrofuran Motif: Its Role in Enhancing Ligation in Belted Ionophores, Biasing Cyclohexane Conformation, and Restricting Nucleoside/Nucleotide Conformation," In Chemistry for the 21st Century, Keinan, E. and Schechter, I., Eds.: Wiley-VCH, Weinheim, 2001, pp 37-53.

1108. L. A. Paquette, "The Electrophilic and Radical Behavior of α-Halosulfonyl Systems," Synlett, 1 (2001).

1109. L. A. Paquette, J. C. Lanter, D. R. Owen, F. Fabris, R. T. Bibart, and M. Alvarez, "Resolution and Absolute Configurational Assignments to 1-Oxa- and 1-Thia-6- ketospiro[4.4]nonanyl Platforms," Heterocycles, 54, 49 (2001).

1110. L. A. Paquette, D. R. Owen, R. T. Bibart, C. K. Seekamp, A. L. Kahane, J. C. Lanter, and M. A. Corral, "1-Oxaspiro[4.4]nonan-6-ones. Synthetic Access via Oxonium Ion Technology, Optical Resolution, and Conversion into Enantiopure Spirocyclic α,β- Butenolides," J. Org. Chem., 66, 2828 (2001).

1111. L. A. Paquette and J. Tae, "Selective Lithium Ion Binding Involving Inositol-Based Tris(spirotetrahydrofuranyl) Ionophores. Formation of a Rod-Like Supramolecular Ionic Polymer from a Homoditopic Dimer," J. Am. Chem. Soc., 123, 4974 (2001).

1112. L. A. Paquette, C. S. Ra, J. D. Schloss, S. M. Leit, and J. C. Gallucci, "Direct Synthesis of Previously Inaccessible Bridgehead Azabicyclics by Intramolecular Cyclization of α- Sulfonamido and α-Sulfonimido Radicals," J. Org. Chem., 66, 3564 (2001).

1113. L. A. Paquette and I. Efremov, "Teubrevin G and Teubrevin H: The First Total Syntheses of Rearranged neo-Clerodanes Including Solutions to the Problems of Chirality Merger and Furan Ring Assembly," J. Am. Chem. Soc., 123, 4492 (2001).

1114. J. E. Hofferberth, H. Y. Lo, and L. A. Paquette, "Stereospecific Anionically-Promoted Transannular Hydride Shifts in Medium-Ring Hydroxy Ketones. Probe of their Reversibility and the Potential for Regiocontrol," Org. Lett., 3, 1777 (2001).

1115. L. A. Paquette, "The Sclerophytin A Adventure," The Chemical Record, 1, 311 (2001).

116 HETEROCYCLES, Vol. 62, 2004

1116. E. P. Balskus, J. Méndez-Andino, R. M. Arbit, and L. A. Paquette, "Intercalation of Multiple Carbon Atoms between the Carbonyls of α-Diketones," J. Org. Chem., 66, 6695 (2001).

1117. P. Bernardelli, O. M. Moradei, D. Friedrich, J. Yang, F. Gallou, B. P. Dyck, R. W. Doskotch, T. Lange, and L. A. Paquette, "Total Asymmetric Synthesis of the Putative Structure of the Cytotoxic Diterpenoid (-)-Sclerophytin A," J. Am. Chem. Soc., 123, 9021 (2001).

1118. M. Duan and L. A. Paquette, "Enantioselective Total Synthesis of the Cyclophilin-Binding Immunosuppressive Agent Sanglifehrin A," Angew. Chem. Int. Ed., 40, 3632 (2001).

1119. L. A. Paquette, C. S. Ra, J. C. Gallucci, H.-J. Kang, N. Ohmori, M. P. Arrington, W. David, and J. S. Brodbelt, "Constraining of Small-Ring Cyclic Ether Triads by Stereodefined Spiroannulation to an Inositol Orthoformate Platform. Solution and Gas-Phase Alkali Metal Binding Affinities for Three- to Five-Membered Structural Combinations," J. Org. Chem., 66, 8629 (2001).

1120. L. A. Paquette, R. T. Bibart, C. K. Seekamp, and A. L. Kahane, "Spirocyclic Restriction of Nucleosides. Synthesis of the First Exemplary syn-1-Oxaspiro[4.4]nonanyl Member," Org. Lett., 3, 4039 (2001).

1121. L. A. Paquette, D. R. Owen, R. T. Bibart, and C. K. Seekamp, "Spirocyclic Restriction of Nucleosides. An Analysis of Protecting Group Feasibility while Accessing Prototype anti-1- Oxaspiro[4.4]nonanyl Mimics," Org. Lett., 3, 4043 (2001).

2002

1122. F. Geng, J. Liu, and L. A. Paquette, "Three-Component Coupling via the Squarate Ester Cascade as a Concise Route to the Bioactive Triquinane Sesquiterpene Hypnophilin," Org. Lett., 4, 71 (2002).

1123. D. Friedrich and L. A. Paquette, "Structural and Stereochemical Reassessment of Sclerophytin-Type Diterpenes," J. Nat. Prod., 65, 126 (2002).

1124. J. Mendez-Andino and L. A. Paquette, "Tandem Development of Aqueous Indium Chemistry and Ring-Closing Metathesis as a General Route to Fused-Ring α-Methylene-γ- butyrolactones," Adv. Synth. Catal., 344, 303 (2002).

1125. J. Chang and L. A. Paquette, "Studies Aimed at the Total Synthesis of the Antitumor Antibiotic Cochleamycin A. An Enantioselective Biosynthesis-Based Pathway to the AB Bicyclic Core," Org. Lett., 4, 253 (2002).

1126. L. A. Paquette, X. Peng, and D. Bondar, "Pectenotoxin-2 Synthetic Studies. 1. Alkoxide Precoordination to [Rh(NBD)(DIPHOS-4)]BF4 Allows for Directed Hydrogenation of a 2,3- Dihydrofuran-3-ol Without Competing Furan Production," Org. Lett., 4, 937 (2002).

1127. I. Efremov and L. A. Paquette, "A Regioselective Route to 2,3,4-Trisubstituted Furans," Heterocycles, 56, 35 (2002).

1128. L. A. Paquette and S. L. Boulet, "Toward a Total Synthesis of Okilactomycin. 1. A Direct, Enantiocontrolled Route to the Western Sector," Synthesis, 888 (2002). HETEROCYCLES, Vol. 62, 2004 117

1129. S. L. Boulet and L. A. Paquette, "Toward a Total Synthesis of Okilactomycin. 2. A Metathesis-Based Approach to the Heavily Functionalized Cyclohexane Ring," Synthesis, 895 (2002).

1130. K. Basu, J. C. Eppich, and L. A. Paquette, "Ruthenium-Promoted Ring-Closing Metathesis of Ene-Dienes. Competitive Intramolecular Regioselection as a Function of Chain Length," Adv. Synth. Catal., 344, 615 (2002).

1131. L. A. Paquette and N. Cuniére, "Diastereoselectivity Control in the Zirconocene-Mediated Ring Contraction of 4-Vinylfuranosides to Enantiopure Multiply-Functionalized Cyclobutanes," Org. Lett., 4, 1927 (2002).

1132. L. A. Paquette, M. Duan, I. Konetzki, and C. Kempmann, "A Convergent Three-Component Total Synthesis of the Powerful Immunosuppressant (-)-Sanglifehrin A," J. Am. Chem. Soc., 124, 4257 (2002).

1133. M. Horacek, P. Stepnicka, S. Gentil, K. Fejfarova, J. Kubista, N. Pirio, F. Gallou, P. Meunier, L. A. Paquette, and K. Mach, "Synthesis and Properties of Some exo, exo- Bis(isodicyclopentadienyl)titanium Low-Valent Complexes," J. Organometal. Chem., 656, 81 (2002).

1134. L. A. Paquette, J. Yang, and Y. O. Long, "Concerning the Antileukemic Agent Jatrophatrione. The First Total Synthesis of a [5.9.5] Tricyclic Diterpene," J. Am. Chem. Soc., 124, 6542 (2002).

1135. L. A. Paquette, "The Diverse Challenges that Face the Stereocontrolled Elaboration of Natural Products Incorporating an Oxygenated Five-Membered Ring," Chemtracts, 15, 345 (2002).

1136. K. Basu, J. A. Cabral, and L. A. Paquette, "Comparative Investigation of Kinetic Consequences Associated with Long-Range Electronic Effects on Catalytic Ruthenium- Promoted Ring-Closing Metathesis," Tetrahedron Lett., 43, 5453 (2002).

1137. L. A. Paquette, K. Basu, J. C. Eppich, and J. E. Hofferberth, "Systematic Analysis of the Intramolecular Competition Associated with the Ring Closing Metathesis of Ene-Diene Systems of Differing Chain Length with a Pair of Ruthenium Catalysts," Helv. Chim. Acta, 85, 3033 (2002).

1138. L. A. Paquette and F. Geng, "Applications of the Squarate Ester Cascade to the Expeditious Synthesis of Hypnophilin, Coriolin, and Ceratopicanol," J. Am. Chem. Soc., 124, 9199 (2002).

1139. L. A. Paquette, R. M. Arbit, J.-A. Funel, and S. Bolshakov, "The Carbohydrate- Sesquiterpene Interface. A Zirconocene-Mediated Synthesis of (+)-Epiafricanol from D- Glucose," Synthesis, 2105 (2002).

1140. L. A. Paquette and F. Geng, "A Highly Abbreviated Synthesis of Pentalenene by Means of the Squarate Cascade," Org. Lett., 4, 4547 (2002).

1141. L. A. Paquette, "The Development of Strategies for the Elaboration of Linear Triquinane Sesquiterpenoids: Hypnophilin and Ceratopicanol as Exemplary Case Studies," Curr. Org. Chem., 6, 1045 (2002). 118 HETEROCYCLES, Vol. 62, 2004

1142. I. H. Cho and L. A. Paquette, "Highly Functionalized Pyrans Designed for Multipoint Side Chain Attachment to the F-Ring Sector of Spongistatin 1 (Altohyrtin A)," Heterocycles, 58, 43 (2002).

1143. S. Gentil, M. Dietz, N. Pirio, P. Meunier, J. C. Gallucci, F. Gallou, and L. A. Paquette, "A Silylene-Bridged (Isodicyclopentadienyl)-(Fluorenyl) Complex of Zirconium for Homogeneous Olefin Polymerization," Organometallics, 21, 5162 (2002).

2003

1144. J. Yang, Y. O. Long, and L. A. Paquette, "Concise Total Syntheses of the Bioactive Mesotricyclic Diterpenoids Jatrophatrione and Citlalitrione," J. Am. Chem. Soc., 125, 1567 (2003).

1145. L. A. Paquette and J. E. Hofferberth, "Effect of 9,10-Cyclic Acetal Stereochemistry on Feasible Operation of the α-Ketol Rearrangement in Highly Functionalized Paclitaxel (Taxol®) Precursors," J. Org. Chem., 68, 2266 (2003).

1146. L. A. Paquette, H. Y. Lo, J. E. Hofferberth, and J. C. Gallucci, "A Delicate Balance of Energetics. Subtleties Associated with α-Ketol-Based Bridge Migration to Afford 9-Keto- 10β-p-Methoxybenzyloxy Taxanes," J. Org. Chem., 68, 2276 (2003).

1147. L. A. Paquette and H. Y. Lo, "Chemical Modification of a Highly Functionalized Taxane. The Consequences of an Absent Bridgehead Double Bond on Oxetane D-Ring Construction," J. Org. Chem., 68, 2282 (2003).

1148. O. M. Moradei and L. A. Paquette, "(5S)-(d-Menthyloxy)-2(5H)-furanone," Org. Synth., 80, 66 (2003).

1149. X. Guo, K. Basu, J. A. Cabral, and L. A. Paquette, "Relative Rate Profile for Ring-Closing Metathesis of a Series of 1-Substituted-1,7-octadienes as Promoted by a 4,5-Dihydroimidazol- 2-ylidene-Coordinated Ruthenium Catalyst," Org. Lett., 5, 789 (2003).

1150. L. A. Paquette, "Fundamental Mechanistic Characteristics and Synthetic Applications of Allylations Promoted by Indium Metal in Aqueous Media," Synthesis, 765 (2003).

1151. L. A. Paquette and J. E. Hofferberth, "The α-Hydroxy Ketone (α-Ketol) and Related Rearrangements," Organic Reactions, 62, 477 (2003).

1152. L. A. Paquette, I. H. Kim, and N. Cunière, "Zirconocene-Mediated Route to Enantiopure 9- Oxabicyclononanes Functionalized on Both Carbon Bridges," Org. Lett., 5, 221 (2003).

1153. L. A. Paquette, I. Vilotijevic, D. Hilmey, and J. Yang, "Divergent Regioselectivity in the Base- Promoted Reactions of Cyclic Eight-Membered α-Ketols with Activated Halides," Org. Lett., 5, 463 (2003).

1154. L. A. Paquette, P. Webber, and I. Simpson, "Contrasting Diastereofacial Selectivity Associated with N-Phenyltriazolinedione Cycloadditions to Oxaspirocycloheptatrienes," Org. Lett., 5, 177 (2003).

HETEROCYCLES, Vol. 62, 2004 119

1155. J. C. Gallucci, S. Gentil, N. Pirio, P. Meunier, F. Gallou, and L. A. Paquette, "ansa-[(tert- Butylamino)(isodicyclopentadienyldimethylsilane](Zr(NMe2)2 Prepared by an Amine- Elimination Reaction," Acta Cryst., C59, 109 (2003).

1156. J. C. Gallucci, S. Gentil, N. Pirio, P. Meunier, F. Gallou, and L. A. Paquette, "A Doubly- Bridged Isodicyclopentadienylzirconium Complex: bis-[isodicyclopentadienyl(dimethysilane) 3,5-dimethylphenylamido]zirconium," Acta Cryst., C59, 67 (2003).

1157. L. A. Paquette, "Chiral Reagents for Asymmetric Synthesis," John Wiley and Sons, Inc. Chichester, UK, 2003.

1158. L. A. Paquette, R. E. Hartung, and D. J. France, "Conversion of the Enantiomers of Spiro[4.4]nonane-1,6-diol into Both Epimeric Carbaspironucleosides Having Natural C1' Absolute Configuration," Org. Lett., 5, 869 (2003).

1159. L. A. Paquette, R. Guevel, S. Sakamoto, I. H. Kim, and J. Crawford, "Convergent Enantioselective Synthesis of Vinigrol, an Architecturally Novel Diterpenoid with Potent Platelet Aggregation Inhibitory and Antihypertensive Properties. 1. Application of Anionic Sigmatropy to Construction of the Octalin Substructure," J. Org. Chem., 68, 6096 (2003).

1160. L. A. Paquette and F.-T. Hong, "Total Synthesis of Dumsin. 1. Retrosynthetic Strategy and the Elaboration of Key Intermediates from (-)-Bornyl Acetate," J. Org. Chem., 68, 6905 (2003).

1161. L. A. Paquette, B. Shetuni, and J. C. Gallucci, "π-Facial Stereoselectivity in Diels-Alder Cycloadditions to 1-Oxaspiro[4.5]deca-6,9-dien-8-one. The Strong Directive Effect of Ether Oxygen in a Cross-Conjugated Ketone Setting," Org. Lett., 5, 2639 (2003).