Band 41 b Zeitschrift für Naturforschung 1986

Contents

Contents of Number 1 Synthesis and Crystal Structure of Di[bis(triphenyl- phosphine)iminium]-biscyanophthalocyaninato- Original Communications ferrate(II)-dichloromethane H. K ü p p e r s , H.-H. E u l e r t , K.-F. H e s s e , The Chloro Rhodates(III) [RhCl6]3- and W. K a l z , and H . H om bo rg 44 [RhCl 5(H20)]2_. Crystal Structure of AsPh 4[W (0)Cl3(HN3S2)]; Synthesis, IR Spectrum (NH4)3RhCl 6 • H20 (In German) and Crystal Structure (In German) U. T r e ib e r , M. Z w i l l in g , E. S c h w e d a , and E. C o n r a d i , H . W a d l e , U. M ü l l e r , and K. D e h - J. S tr ä h le 1 n ic k e 48

Synthesis and Crystal Structure of Bis[l,5-ditolyl- Synthesis and Structure of N-Thiobis-N'-(phenylsul- pentaazadienido-silver(I)] and Bis[l,3-diphenyl- fonyl)sulfurdiimide (In German) triazenido-silver (I)] (In German) H . W . R o e s k y , J. S u n d e r m e y e r , M . N o l t e m e y e r , J. B eck and J. S t r ä h l e 4 G. M . S h e l d r ic k , K. M e y e r -B ä s e , and P. G. Jo n e s 53 Novel Basic Ligands for the Homogeneous Catalytic Homologation of Methanol to Ethanol, IV. Syn­ Methylaminodiphenylborane — Application of nB, thesis, Properties and NMR Spectroscopic Investi­ 13C, 14N, 15N NMR gations on Polydentate Furfurylphosphanes B . W rack m eyer 59 (In German) NMR Investigation of 3,3-Difluoro-2-ethyl-l,l,2- E. L in d n e r and C h . S c h e y tt 10 tris(diethoxyphosphoryl)cyclopropane (In German) Transition Metal Squarates. I. Chain Structures M(C40 4) • 4 H20 G. H e c k m a n n , E . F l u c k , and J. S v a r a 63

A . W e is s , E. R ie g l e r , I. A l t , H. B ö h m e , and Oligophosphine Ligands, XIV. Bis(dinitrogen)- C h . R obl 18 molybdenum Complexes Mo(N 2)2[PhP(CH 2CH2CH2PPh 2)2](PR3) Preparation, Spectroscopical and Electrochemical (In German) Characterization of Pentachloromonocarbonylos- L. D a h l e n b u r g and B. P iet sc h 7 0 mate(IV), [OsCl5(CO)]_ (In German)

M. B r u n s and W . P r e e t z 25 ji-Olefin Iridium Complexes, XIII. Novel Metal- Centered Linkage of Two Tolane Molecules (In German) Contributions to the Chemistry of Boron, 168. J. M ü l l e r , M . T s c h a m p e l , and J. P ic k a r d t 76 Synthesis and Structure of Azadiboriridines (In German) Preparation and NMR Spectroscopy of the Argen- F. D ir s c h l , E. H a n e c k e r , H . N ö t h , W . R a t t a y , tate Complexes [Ag{(w-PR 2)M (CO)5}2]~, and W . W a g n e r 32 M = Cr, Mo, W (In German)

D . O b e n d o r f and P . P e r in g e r 79 BaAl4-Derivative Structures of v4Ru 2X> (A = Ca, Sr, Ba, Eu; X = P, As) and of ^4Pt 2P2_* ( A = Ca, Eu) Nature and Composition of Fe(III) Complexes with (In German) Some Polyphenolic Ligands

G. W e n s k i and A. M e w is 38 M. L. D h a r and O . S in g h 82 IV Contents

Determination of the Enantiomeric Excess of Synthesis of Some New 2-Substituted Thiazolid-4- Horner Phosphines by 13C NMR Spectroscopy. A ones 13C and 31P NMR Study of the Diastereomeric M. I. Y o u n e s , M. F . E l -Z o h r y , and S. A . M et- Complexes Formed with [?;3-( + )(l R,5R)-Pinenyl]- w a l l y 134 nickel Bromide Dimer

R . M y n o t t , W . J. R ic h t e r , and G. W ilk e 85

Synthesis and Properties of 4-Alkoxy-4,5-dihydro- 2H-thieno[3.2-b]pyrrole-5-ones (In German) Contents of Number 2 D. G e f f k e n and K. S t r o h a u e r 89 Original Communcations Double Coupling Reaction of a Diazonium Salt with 2,10-Dimethoxy-l,6-methano[10]annulene and X- Bis(oxalato)platinate Salts of Bis(oxamide-oxime)- Ray Structure Analysis (In German) platinum: Anisotropic Solids with Mixed and with R. N e id l e in , G . G ü n t h e r , W. K r a m e r , A . G ie ­ Segregated Stacks (In German) r e n , V. L a m m , and H. B e tz 93 H . E n d r e s and G . L ie b ic h -B r u d y 137 Thermal Decomposition of Aromatic Thioureas New Selenium-Nitrogen Compounds tert-Butyl- C. P a r k a n y i and M. A . A l -S a l a m a h 101 seleninylamine, BuTSSeO, and Di(rert-butyl)- selenium Diimide, Se(NBu ')2 (In German) Cyanothioacetamide in Heterocyclic Synthesis: A M. H e r b e r h o l d and W. J e l l e n 144 New Approach for the Synthesis of 2-Pyridothione and 2-Pyridazinothione Derivatives Reactive E=C(p-p)jr-Systems, VI. Reactions of the R . M . M o h a r e b and S . M . F a h m y 105 Phosphaalkene F 3C P=C F2 with H Acidic Com­ pounds (In German) Studies on Diamagnetic Susceptibility of Biologically J. G r o b e , D. L e V a n , and J. Nientiedt 149 Active Heterocycles, Part 2. Diamagnetic Suscep­ tibilities of 4H-l,4-Benzothiazines and their Sul- fones Reactions of l,2,4-Thiadiazol-3,5-dicarbonitrile with Sulfur Chlorides: X-Ray Crystal Structure Analy­ R. R. G u p t a , M . K u m a r , and R. K u m a r 110 sis of S3(CN)4C12 • AsF5 and S 3(CN)8C12 (In German) Chemiluminescence of Photoproducts of Polycyclic Aromatic Hydrocarbons and their Carbonyl Com­ H . W . R o e s k y , J. S u n d e r m e y e r , J. S c h im k o w ia k , pounds (In German) T h . G r ie s , M. N o l t e m e y e r , and G . M. S h e l d r ic k 162 J. S t a u f f and G. S tä rk 113 2-Boratanaphthaline Anion as Hexahapto-Bonded In the Search for New Anticancer Drugs, XVI. Ligand (In German) Selective Protection and Deprotection of Primary Amino Groups in Spermine, Spermidine and P . P a e t z o l d , N . F i n k e , P . W e n n e k , G . S c h m id , Other Polyamines and R . B o e s e 167

G. S o s n o v s k y and J. L u k s z o 122 Synthesis and Properties of Tribromo-cyclo-lA6- tungsten-3,5-dithia-2,4,6-triazene (In German)

H. W. R o e s k y , J. S c h im k o w ia k , M. N o l t em e y er , Notes and G . M. S h e l d r ic k 175

Iridium Phosphide Telluride, IrPTe (In German) Phthalocyanines on Mineral Carriers, 2. Synthesis of G. K l ic h e 130 Cobalt(II) and Copper(II)-phthalocyanines on y-Al20 3 and S i0 2 A Practical Synthesis of 2-Azidophenylisocyanide D. WÖHRLE, U . HÜNDORF, G. SCHULZ-EKLOFF, T. E l -S h ih i and R . H e r r m a n n 132 and E . Ig n a t z e k 179 Contents V fc^-Butylimino-a-Organovanadium(V) Compounds. Synthesis of Pyranobenzopyranopyridines and Synthesis and NMR Spectroscopic Studies Benzodipyran Derivatives (In German) O. H . H is h m a t , K h . M. A . K h a l il , S h . I. E l - F. P r e u s s and H. B eck er 185 N a e m , and A. H. A b d e l -R a h m a n 2 5 2

Phosphinidene-, Arsinidene- and Stibinidene Com­ plexes, Valence Tautomerism and Dimerisation Notes Products (In German) Note on the Flash Pyrolysis of peri-Bis- H. L a n g , G. H ü t t n e r , B. S ig w a r t h , U. W e b e r , (chloromethyl)-aromatic Compounds L . Z s o l n a i , I. J ib r il , a n d O . O r a m a 191 (In German)

On the Nonexistence of a Simple ,w-Oxo-diphos- E. V. D e h m l o w and R. K r am er 259 phorane Involving two 1.3.5.7-Tetramethyl- I.3.5.7-tetra-aza-4A5-phospha-spiro[3.3]heptane- Preparation and Vibrational Spectrum of Hexa- 2.6-dione Groupings: Preparation and Structure of iodoiridate(III), Cs 3[IrI6] (In German) a A3P—O—A'P Diphosphorane Doubly Bridged W. P r e et z and H.-J. S t e in e b a c h 260 with N.N'-Dimethylurea (In German)

D . Sc h o m b u r g , U. W e r m u t h , a n d R . S c h m u t z l e r A New, Short Synthesis of Z-Jasmone 207 M . M ik o l a jc z y k and W. M id u r a 263 The Dependence of [H and 13C NMR Parameter on Configuration and Substituents in Substituted cis- The Photochromic Reaction of Methyl N-Isopropyl- and rrarcs-Bis(phenyl)bis(tri-rc-butylphosphane)- 4-nitrothiobenzimidate (In German) platinum(II) Compounds (In German) C. O. M e e s e and H. G ü s t e n 265 H. A. B r u n e , W.-D. M ü l l e r , and K.-H. S p o h n 211 Synthesis and Properties of 5-Benzoyltetramic Acids Contents of Num ber 3 (In German)

H. P oschenrieder and H.-D. S t a c h e l 219 Original Communications

Transanular Interaction in [m.n]Phanes, 32: Models The Crystal Structure of Dehydrated CsT1I 4 for Amine-Arene-Exciplexes: [2](l,4)Anthra- (In German) ceno[2](2,6)pyridinophan-l,13-dien (In German) G. T h ie l e , H. W . R o t t e r , and K. Z im m e r m a n n 269 M. W. H a e n e l , B. L in t n e r , and D. S c h w e it z e r 223 Syntheses of New Fe-P Cage Compounds Molecular Determinants for Drug-Receptor Interac­ (In German) tions. 6. Proton 500 MHz NMR Spectra of the R. L. D e and H. V a h r e n k a m p 273 Narcotic Antagonists Naloxone and Naltrexone by Two-Dimensional !H —]H Chemical Shift Correla­ Preparation and Reactions of the Tetrahedrane tion Spectroscopy Molecule Fe 2(CO)6(P-terf-C4H9)2 (In German)

B. P e r l y , G . C. P a p p a l a r d o , and A. G r a s s i 231 R . L. D e , D . W o l t e r s , and H. V a h r e n k a m p 283

Synthesis of Quaternary Salts from 2,3'-Bipyridine An Unusual Electron Count and Electron-Deficient and Dibromoalkanes Multi-Center Bonding in One Class of Intermetal- lics: The BaAl4, CaAl 2Zn2, CeMg 2Si2 and FCC AI S h . K. S in g h and L. A. S u m m e r s 239 Structures

Chlorination of 3,5-Di-terf-butylphenol. Crystal Ch. Z h e n g and R. H o f f m a n n 292 Structure of the Keto Tautomer of a Sterically Hindered Phenol Synthesis of Mesitylstibanes (In German)

W. H il l e r , M. H ö r n e r , A. R ie k e r , and E. M. A t e s , H. J. B r e u n ig , A . S o l t a n i -N e s h a n , and S treich 245 M. T eg e le r 321 VI Contents

Synthesis and Crystal Structure of (PhSb)6- 1,4-Di- Dimeric Naphthoquinones, 17. Synthesis of Stypan- oxane, (PhSb)6• Benzene and (PhSb) 6-Toluene. drone and Dianellinone (In German) Oxidation of Silylstibanes to Siloxistibanes H . L a a t s c h 377 (In German)

H . J. B r e u n i g , A. S o l t a n i -N e s h a n , K. H ä b e r l e , Structural Studies on Vindolinine and M. D r ä g e r 327 A t t a -u r -R a h m a n , S. M a l i k , and K. A l b e r t 386 Average Structure of Bis(oxamide oximato)- nickel(II) x Dimethyl-tetracyanoquinodimethane, Notes a “Charge Transfer” Compound with Mixed Stacks and Variable Paramagnetism Synthesis and Properties of Br 2VS2N3 (In German) H . E n d r e s , A. B o n g a r t , D . N ö t h e , and B. H. W . R o e s k y , J. S c h i m k o w i a k , and F. W a l t h e r R o s e n a u 334 393 [Bis(oxamide oxime)nickel(II)] [Bis(oxalato)plati- The Transylidation Reaction of Zirconiumtetra- nate(II)] Dihydrate x [Bis(oxamide oximato)- chloride with Phosphonium Ylides: Structure of nickel(II)]: Segregated Parallel Stacks in the Ratio Methyl-tris(diethylamino)-phosphonium Hexa- 2:1 (In German) chlorozirconate (In German) H. E n d r e s and G. L ie b ic h -B r u d y 339 H. S c h m i d b a u r , R . P i c h l , and G. M ü l l e r 395 Synthesis and Crystal Structure of the Bis(ben- zene)gallium(I) Tetrabromogallate(III) Dimer (In German) Contents of Number 4

M . U s o n -F inkenzeller , W . B u b l a k , B . H u b e r , G. M ü l l e r , and H . S c h m i d b a u r 346 Original Communications

Crosslinking of Gelatin with Formaldehyde; a Contributions to the Chemistry of Phosphorus, 164. 13C NMR Study (r-BuP)2P-P(Me)-P(f-BuP )2 - The First Bis-

K. A l b e r t , B . P e t e r s , E. B a y e r , U. T r e i b e r , and (cyclotriphosphano)phosphane, a Novel P 7R5 M . Z w il l i n g 351 Structure Type (In German)

M . B a u d l e r and L. d e R ie s e -M e y e r 399 Synthesis of New Complexons: N-Hydroxy-a,a'- iminodipropionic- and N-Hydroxyiminodiacetic Preparation and Crystal Structure of Bis(tetra- Acid methylammonium)hexasulfide (In German)

E. K o c h , H . K n e i f e l , and E. B a y e r 359 P. B ö t t c h e r and W. F l a m m 405

Ring Expansion of Carbocyclic /?-Keto-ester with Preparation and X-Ray Structure Analysis of (Di- Acetylenic Esters chloro)-(l,3,5,7-tetramethyl-2,4,6,8,9,10-hexa- thiaadamantane)palladium(II), PdCl 2(CH3)4C4S6 M. M. A b o u -E l z a h a b , S. N. A y y a d , and M. T. (In German) ZlMAITY 363 J. P ic k a r d t and N. R a u t e n b e r g 409 Reactions with Potassium Superoxide 2. Cleavage of Advances in Perhalogeno Thiocarbonyl, Selenocar- N-Acyl-glycine Derivatives (In German) bonyl and Selenodiimine Chemistry (In German) M. L is s e l and A. G a u 367 F . F o c k e n b e r g and A. H a a s 413

The Reaction of Arylidenemalonodinitriles with 1- Formation of Nitrido Complexes by Ammonolysis of Arylethylideneaminobenzenes. A New Synthesis Metal Halides with NH4+. Synthesis and Structure of 5'-Amino-1,1':3',l"-terphenyl-2' , 6'-dicarboni- of (NH 4)3Nb 2N Br10, (NH4)3Ta2NIi0 and triles (NH4)3W2N Br10 (In German)

P. M il a r t and J. S e pio l 371 M. H ö r n e r , K.-P. F r a n k , and J. S t r ä h l e 423 Contents VII

The Reactions of Trithiazyl Chloride with Molyb­ Nitriles in Heterocyclic Synthesis: A Novel Synthesis denum, Molybdenum Trioxide and Sodium of Polyfunctionally Substituted Pyrrole Deriva­ Molybdate. The Crystal Structure of tives PPh 4[MoCl 4(N3S2)] and its Packing (In German) F . M. A b d e l r a z e k and A . A . F a d d a 499 H. W adle, E. Conradi, U. M üller, and K. Deh- NICKE 429 Catalytic Hydrogenation of Pyrylium Salts: A Con­ venient Route to Alkyl-Substituted Tetrahydro- Preparation and Structure of Ba 2AsSe4(OH) • 2 H20 pyrans (In German) G. M ih a i and T.-S. B a l a b a n 502 J. K a u b 4 3 6 The Oxidation of Trimethylamine by OH Radicals in On the Coordination of Thiocyanate in Ternary Aqueous Solution, as Studied by Pulse Radiolysis, Metal Complexes. The Crystal Structure of ESR, and Product Analysis. The Reactions of the Ba2Cd(SCN)6-7 H20 (In German) Alkylamine Radical Cation, the Aminoalkyl Radi­ cal, and the Protonated Aminoalkyl Radical K. B r o d e r s e n a n d K. B ö h m 4 3 9 S . D a s and C . v o n S o n n t a g 505 1,2-Diphosphonio-diphosphiranes (In German) Syntheses of orf/zo-Nitro-Substituted Bis(phenyl)- S . L o c h s c h m id t , G. M ü l l e r , B. H u b e r , and A. platinum(II) Compounds (In German) SCHMIDPETER 4 4 4 B . S t a p p , G. S c h m id t b e r g , and H. A. B r u n e 514 Organomagnesium Inner Complexes, Part I. Bis- (dialkylaminoalkyl)- and Bis(alkoxybutyl)magne- Notes sium Compounds (In German)

K. A n g e r m u n d , B . B o g d a n o v ic , G. K o p p e t s c h , Synthesis and Structure of Monoazadiene Com­ C. K r ü g e r , R. M y n o t t , M . S c h w ic k a r d i , and Yi- plexes of Nickel: Cinnamylideneaniline-bis(tri- H u n g T s a y 455 phenylphosphine)nickel (In German)

C h . M ü l l e r , L. S t a m p , and H. to m D iec k 519 Kinetics of Pb(IV) Oxidation of Substituted Methyl Mandelates — A L.F.E.R. Study The Crystal Structure of PPh 4[MoOCl 4(OCHNMe2)]

S . K. B a n e r j e e , R. S h a n k e r , and O. P. S a c h d e v a (In German) 4 6 7 D . F e n s k e , K. Ja n s e n , and K. D e h n ic k e 523

Halogen Metal Exchange; Diphosphane-, Diphos- phene-, Phosphinidene-Complexes (In German) Contents of Number 5 H . L a n g , G . H u t t n e r , an d I. J ibr il 47 3

Original Communications The Synthesis of Indeno[I,2:4,5]pyrimido[l,2-a]- benzimidazole-13-ones, Indeno[l ,2-b]pyrazolo- [4,3-e]pyridine-3,5-dione and Related Compounds Formyl Tungsten Complexes (In German) H . B er k e and P. K u n d e l 52 7 M . A. M e t w a l l y and H .A . E t m a n 486

Reactions of (CO) 4FeP(R)Cl2 with Na 2Cr2(CO )10 Nitriles in Heterocyclic Synthesis: Novel Syntheses (In German) of Functionally Substituted Isoxazoles, Pyrazoles, Pyrazines and their Condensed Derivatives J. B o r m , K . K n o l l , L. Z s o l n a i , and G. H u t t n e r 532 S. A . S. G h o z l a n , F. A b d E l M a k s o u d A b d E l Benzoato Complexes of Ruthenium, Part 1. A a l , M . H . M o h a m e d , and M. H. E l n a g d i 4 8 9 Synthesis, Properties and Crystal Structure of Ru2(C6H5COO)4(C6H 5COOH )2 and Diels-Alder Reaction in the Presence of Zeolite Ru2(C6H5COO )5 • C6H5COOH (In German)

J. I p a k t sc h i 496 M. S p o h n , J. S t r ä h l e , and W. H il l e r 541 VIII Contents

Structural Chemistry of Phosphorus-Containing Metal Bonds, I. ER 2 Bridged Dicyano or Diiso- Chains and Rings, XIII. The Molecular and Crys­ nitrile Octacarbonyl Dimanganates (E = Sn, Pb) tal Structure of 3,4,9,10-Tetraisopropylpenta- (In German) cyclo[6.4.0.0 2,6.0xl2.0 n]dodecaphosphane, M . M o l l , H. B e h r e n s , P . M e r b a c h , K.-H.T r ü m ­ P12(z-Pr)4 (In German) m e r , G. T h i e l e , and K. W it t m a n n 606 K .-F . T e b b e and M. F e h e r 548 Organomagnesium Inner Complexes, Part II. Ethyl- UN and l3N NMR Spectroscopy of Diazaphospholes (dialkylaminoalkyl)- and Ethyl(4-alkoxybutyl)- and the Linear Correlation of the Chemical Shift magnesium Compounds (In German) of Two-Coordinate N and P (In German) B . B o g d a n o v i c , G. K o p p e t s c h , C. K r ü g e r , and A. S c h m id p e t e r and B. W r a c k m e y e r 553 R. M y n o t t 617

Syntheses and Crystal Structures of Reaction of Coordinated Ligands, III. Stabilization PPh 4[RuCl4(NO)(NSCl)] and of Dimenthyldiphosphene and Menthylphos- (PPh 4)2[RuCl4(NS)]2-4 CH2C12 (In German) phinidene as Bridging Ligands in Metal Carbonyl Complexes (In German) W . W il l in g , U. M ü l l e r , U. D e m a n t , and K. D e h n ic k e 5 6 0 A.-M. H i n k e , A. H i n k e , W . K u c h e n , and W. H ö n l e 629 Cuticular Hydrocarbons of the Colorado Beetle Leptinotarsa decemlineata say Synthesis of 5-Alkylidene-3-pyrrolin-2-ones (In German) E. M a l in s k i , J. K u Sm ie r z , J. S z a f r a n e k , E. D u - b is , J. P o p l a w s k i , J. T. W r ö b e l , and W . A. K ö n ig H.-D. S t a c h e l , H. P oschenrieder , and H. B u r g - 567 h a r d 640

Reaction of Pt(PPh 3)4 with [2,3-Bis(diphenylphos- Suillin, a Characteristic Metabolite from Boletes of phino)-N-methylmaleimide]platinum(II)-chloride the Genus Suillus (Boletales) (In German) (In German) E. J ä g e r s , V. P a s u p a t h y , A. H o v e n b i t z e r , and W. B e n s m a n n , D. F e n s k e , a n d E. M a t e r n 575 W . S t e g l ic h 645

S4N4 and its Derivatives: Isolation and Structure of Sila-Pharmaca, 34th Communication. Sila-Analo- S4N4H +[SnCl 5(H 20)]~ and (S 3N2NH 2+)2[SnCl6]2_ gues of Triparanol and Ethamoxytriphetol: Syn­ (In German) thesis as well as Pharmacological and Toxicologi- K. H o l l and U. T h e w a l t 581 cal Properties (In German)

R. T a c k e , A. B e n t l a g e -F e l t e n , H . L i n o h , and Solutions of Aluminium Trichloride in Tetramethyl- S t . M a g d a 649 urea and the Molecular Structure of an Aluminium Trichloride Tetramethylurea Adduct Oxidative Cleavage of Pseudobases from 2-a-Alkyl- A. B it t n e r , D. M ä n n i g , and H . N ö t h 587 ated 2,3-Cycloalkenopyridinium Salts (In German) The Crystal Structure of [(CH 3)4N]2TeCl6 and the H . W e b e r , G. v o n d e r L ip p e , and M . M a t y j a 655 Inclusion Compound [(CH 3)4N]2(CH3CN)TeCl6 (In German)

W . A b r iel 592 Notes Hindered Ligand Movements in Transition Metal Sulfur Dioxide as Bridging Ligand Between Two Complexes, XXXI. Syntheses and Dynamics of Different Metal Atoms (In German) Acetyl-carbonyl-? 75-cyclopentadienyl- 774-diene- tungsten Complexes (In German) W . A. S c h e n k 663

C. G. K r e it e r , K . N is t , and J. K ö g l e r 599 Determination of the Phase Diagram Aluminium- chloride-Pyridiniumchloride (In German) The Reactivity of Sodium Bis-trimethylsilylamide against Metal Carbonyl Complexes with Metal G. S e e m a n n and K. H e n s e n 665 Contents IX

Contents of Number 6 Rubidium Diarsasilicate(IV) Rb 2SiAs2, a Derivative of the SiS 2 Structure Type (In German)

Original Communications J. W o l f , D. W e b e r , andH .-G . v o n S c h n e r in g 731

Synthesis and Conformational Studies of Ring-Sub- Calamitic Liquid Crystals: Relationship Between stituted Titanocene Dithiolene Chelates Molecular Structure and Mesogenity, trans- and (In German) cis-1,3,5,7-Tetraoxadecalin Derivatives (In German) H. K ö pf a n d T h . K l a pö t k e 667 B . K o h n e , K . P r a e f c k e , R . S . O m a r , and F. /f-Z^-Dihydro-l^-diborole Complexes of Rhodium F r o l o w 736 (In German) Liquid Crystalline Compounds in the Thiophene K. G e il ic h and W. S ieb e r t 671 Series, 3. Azomethines and Vinylenes (In German) Bis(methyldiphenylsilyl)-sulfanes: Starting Com­ pounds for the Preparation of Sulfanes H 2S„ and G. K o s s m e h l and D. B u d w il l 751 D2S„ of Definite Chain Length (In German) The Structure of Tris(l,3-dimethyl-2-indolyl)- J. H a h n a n d K. A l t e n b a c h 675 methane: a Chiral Q-Propeller in the Trishetaryl- Intermediates in the Palladium-Catalysed Reactions methane Series (In German) of 1,3-Dienes, Part 5. Butadiene Complexes of W . M a s s a , T h . K ä m p c h e n , J. M ü l l e r , and U. Nickel, Palladium and Platinum P i n d u r 762

R. B e n n , P. W. J o l l y , T. Jo s w ig , R. M y n o t t , and A New Dimerization Reaction in Polyphosphoric K.-P. S c h ic k 680 Acid

Synthesis, Properties and Structure of Bipyridine R. E r r a B a l s e l l s ,C . R. P o r t a l , and A . R. F r a sc a Halogeno Complexes of Cobalt (In German) 768

T h . K rä m er and J. S t r ä h l e 692 The Oxiren-Oxo Carbene Interconversion from a Tris(silyl)silyl-chlorosilanes and P-Halogenated More Preparative Point of View (In German) Silylphosphanes (In German) W. R ü h l , F. B ö l s in g , E. H o f e r , D. S p e e r , and M . J a n s e n 772 M. H a a s e a n d U. K l in g e b ie l 6 9 7

A New Silicate Anion: [Si(NCS)6]2- In German) ESR and ENDOR Investigations of the Autoxida- tion Products of Adrenalone and Related Com­ W. H e in in g e r , R. S t u c k a , and G. N a g o r s e n 702 pounds (In German)

H. B.S t e g m a n n ,K . S t o l z e , an d K . S c h e f f l e r 776 Biologically Active 1,2,4-Triazole and Imidazole Containing Phosphorylated Alcohols (In German) Nitriles in Heterocyclic Synthesis: Novel Synthesis of

E . L in d n e r , K. A. V a r u g h e s e , D. H ü b n e r , O. 4H-Thiopyran and of 2-Hydroxy-6-pyridine E b e r l e , a n d B. S c h il l in g 708 Thione Derivatives G. E . H. E l g e m e ie , S h . M . S h e r if , F. A b d E l Oligophosphine, Ligands, XX. Reduction of Carbon M a k s o u d A b d E l A a l , and M . H. E l n a g d i 781 Dioxide by the Trisphosphinerhodium(I) Complex RhCl[r-BuP(CH 2CH 2CH 2PMe2)2] (In German) Notes L. D a h l e n b u r g , C. P r e n g e l , and N. H öck 718 Contributions to the Chemistry of Sulfur Chromium(O) and Molybdenum(O) Complexes of 11- Halogenides, 13. The Photoionization Mass Spec­ Isopropylidene-bicyclo[4.4.1]undeca-2,4,8-trienes trum of SBr 2 (In German) (In German) R . M in k w it z , R . L e k ie s , H. W . J o c h im s , C. G. K r e it e r , E. M ic h e l s , and J. K a u b 722 E. R ü h l , and H. B a u m g ä r t e l 784 X Contents

Threefold Mannich Reaction. Formation of Three Bromo- and Chlorothionitrene Complexes of Neighboring Quarternary sp?-Carbon Centers in a Rhenium. The Crystal Structure of Single Reaction Step (In German) (PPh 4)2[ReBr4(NS)(NSBr)]-CH2Br2 (In German)

N. R isc h 787 H .- G . H a u c k , W . W i l l i n g , U. M ü l l e r , and K. D e h n ic k e 825 Alkyne Induced Fragmentation of Fe 4P2 Clusters (In German) Synthesis and Crystal Structure of VBr 2(N3S2)(py- ridine )2 (In German) T. J a e g er an d H. V a h r e n k a m p 78 9

W . W il l i n g , R . C hristophersen , U . M ü l l e r , Analogues of Methyl D-Ribo- and D -Arabino- and K . D e h n ic k e 831 furanosides Having Phosphorus in the Anomeric Position Tetraethylammonium raeso-Bis[dichloro-,u-chloro- oxo-aquavanadate(I V)], A . E . W r ö b l e w s k i 791 [(C2H 5)4N]2[{VOCl2(OH 2)}2(a-Cl)2]: Molecular Binuclear ^-Nitrido Complexes of Molybdenum Structure and Spectroscopic Characteristics (In German) (In German)

W . P r i e b s c h , C . W e i d e m a n n , D . R e h d e r , and J. J. S c h m it t e and K. D e h n ic k e 793 K o pf 834 Synthesis and Crystal Structure of [WCl3(N3S2)(Pyridine)] (In German) l,l,3,5,5,7,9,9,ll-Nonachloro-l,5,9-triphospha- 2,4,6,8,10,12-hexaazacyclododecahexaene: H . W a d l e , E. C o n r a d i , U. M ü l l e r , and K. D e h ­ [C12PN2CC1]3, Preparation, Spectra and Crystal n ic k e 796 Structure (In German)

H.-D. H a u s e n , G . R a j c a , and J. W e i d l e i n 839

Contents of Number 7 Contributions to the Chemistry of Carbonyl Com­ plexes with Germanium or Tin Transition Metal Original Communications Bonds (In German)

H. B e h r e n s , M . M o l l , P. M e r b a c h , and K.-H. Synthesis, Molecular and Crystal Structure of 3,5- T r ü m m e r 845 Dimethyl-2,6-bistrimethylsilyl-l-thia-2,4,6-triaza- 3,5-diborinane-tungstenpentacarbonyl (In German) Crystal Structures of NaMg 20 H (S 0 3)2 • H 20 , 2 3)2 2 2 3 2 2 C. H a b b e n , A. M e l l e r , M . N o l t e m e y e r , and NaMn 0 H (S 0 H 0 , ' NaFe 0 H (S 0 ) H 0 , NaC02OH(SO3)2 • H 20 , and G. M . S h e l d r i c k 799 NaZn 20 H (S 0 3)2 • H20 (In German)

Preparation and Crystal Structures of W . B u c h m e i e r , B . E n g e l e n , and H . D . L u t z 852 [Ph 4As+][PS2(N3)2-] and [(n-C 3H 7)4N+]2[(NCPS2)2S2~] (In German) Diphenyl[mono(per)fluoroacyl- and aroyl(oxy)]- H . W . R o e s k y , M. N o l t e m e y e r , and G. M. S h e l ­ phosphan(oxid)es — New Synthetic Methods, New d r ic k 803 Compounds (In German)

Short Inter- and Intramolecular Hydrogen Bonds in H .- W . H e n n i g , P. N e u , and P. S a r t o r i 859 Acid Salts of Halogen-Substituted o-Phthalic Acids (In German) Chemistry of Polyfunctional Molecules, 98. Oxida­ R . M a t t e s and A. D o r a u 808 tive Ring Enlargement of the P 3-Nortricyclane, 4-Methyl-l,2,6-triphosphatricyclo[2.2.1.0 2 6]- Non-Enzymatic Formation of Condensed Phos­ heptane, by Sulfur and Selenium to Hetero phates under Prebiotic Conditions (In German) Noradamantanes and Adamantanes (In German)

F. S e e l , K .- P . K l o s , D . R e c k t e n w a l d , and J. J. E l l e r m a n n , A. A. M. D e m u t h , and W . B a u e r S c h u h 815 863 Contents XI

Preparation and Properties of, and Reactions with, Notes Metal-Containing Heterocycles, LII. Bonding and Structural Conditions of Phosphidocobaltates in A New Synthesis and the IR Spectrum of [SNBr 0 4]v Solution and in Solid State (In German) (In German)

in d n e r e e s e E. L a n d P. N 87 0 U. D e m a n t and K. D e h n ic k e 929

Transition Metal Complexes with Sulfur Ligands, Phosphorus Compounds with Unusual Coordina­ XVIII. Synthesis and Reactions of tion, 12. Diels-Alder Reactions with rBu—C=P — [Ru(L)(PPh 3)dttd] Complexes with Small Nitro­ a Lucrative Access to ’-Phosphinines gen Compounds L = NH3, N 2H4, N2H3CH3, (In German) N2H 3C6H 5 and NO+ (dttd2~ = 2,3;8,9-Dibenzo- 1,4,7,10-tetrathiadecane (—2)) (In German) W. R ö s c h and M. R e g it z 931

D. S e l l m a n n a n d M. W a e b e r 8 7 7

Preparation and Vibrational Spectra of Fluoro- Chloro-Osmates(V) (In German) Contents of Number 8 W . P r e e t z and T h . G r o t h 885 Original Communcations Organoboration of Alkynylstannanes, XVIII. Novel Fused Heterocyclic Systems from N- and C-Lithi- ated Azoles and ds-l,2-Organometallic Substi­ The Crystal Structure of [Mg(H 20 ) 6](N3)2 tuted Alkenes (In German) (In German)

S. K e r s c h l and B. W r a c k m e y e r 890 F. A. M a u t n e r , H. K r i s c h n e r , and C h . K r a t k y 935 Interpretation of Substituent Angular Parameters of Monosubstituted Benzenes by Means of ab initio Synthesis and Crystal Structure of the Anion STO-3G Fully Optimized Molecular Structures [P4S9N]_ (In German) and Charges Densities. Part VI of the Series: H. W. R o e s k y , N . B e n m o h a m e d , M. N o l t e m e y e r , “Crystallographic Studies and Physicochemical and G. M. S h e l d r i c k 938 Properties of jr-Electron Systems”

T. M. K r y g o w s k i , G . H ä f e l i n g e r , and J. S c h u l e Preparation and Crystal Structure of Tl 3AgTe2 895 (In German) The Photoreaction of Re 2(CO )10 with Ethylene and K . O. K l e p p 941 Ethylene Derivatives (In German) YCoC and Isotypic Carbides with a New, Very C. G. K r e i t e r , K . H . F r a n z r e b , and W . S . S h e l - Simple Structure Type d r ic k 904 M . H. G e r s s and W. J e it s c h k o 946 Phosphorus Compounds with Unusual Coordina­ tion, 13. Trapping Reactions of Phenyl Thioxo- Preparation and Crystal Structure of ds-Tetra- phosphane by [4+1] Cycloaddition with o- chlorobis(cyclooctasulfurmonoxide)tin(IV) Quinones (In German) R . S t e u d e l , J. S t e i d e l , and T . S a n d o w 951 R . H u s s o n g , H . H e y d t , and M. R e g it z 915 Preparation, Crystal Structure, and Vibrational Studies in the Chemical Constituents of Azadirachta Spectra of cyc/o-Undecasulfur (Sn) and of cyclo- indica A. Juss (Meliaceae), Part VII Tridecasulfur (S[3) (In German)

S . S i d d i q u i , S h . F a i z i , and B. S h . S i d d i q u i 922 R . S t e u d e l , J. S t e i d e l , and T. S a n d o w 958

Studies on Heterocyclic Enamines: New Synthesis of Synthesis and Spectroscopic Characterization of Pyrano[2,3-b]pyridine, Pyrano[2,3-d]pyrimidine Metallocene Chloro Selenophenolates and Pyrano[2,3-c]pyrazole Derivatives (In German)

N. M. A b e d , N. S. I b r a h i m , and M. H . E l n a g d i H. K ö pf and T h . K l a p ö t k e 971 925 XII Contents

Reactive E = C(p—p)jr-Systems, X. Preparation and Large Transition Metal Clusters, IV. Ru55-, Rh55- Reactivity of Perfluoro-3-phosphapent-2-ene (1) and Pt?5-Clusters (In German) (In German) G . S c h m id and W . H u s t e r 1028 J. G r o b e and J. S z a m e it a t 974 A New Alkaloid from Root Bark of Capparis Dialkylchalcogenide-Bridged Dinuclear Carbonyl decidua Complexes of the Type [M]->ER 2 with M = V . U. A h m a d , S h . A r if , A . A m b e r , M. A . N a s i r , {CpMn(CO)2} and {Cr(CO)5}; E = S, Se, Te; and K . U. G h a n i 1033 R = Me or R 2 = (CH2)3, (CH2)4; X-Ray-Structure Analysis of [CpMn(CO) 2]2S(CH2)3 (In German) On the Three Discotic Mesophases of scy//o-Inositol G. B r e m e r , R. B o e s e , M. K e d d o , and Th. K r u c k Hexaesters (In German) 981 B . K o h n e , K . P r a e f c k e , and J. B il l a r d 1036

Crystallographic and Spectroscopic Behaviour of Inverse Triphenylmethylium Dyes (In German) Some Mixed Phosphate/Vanadate Fluoroapatites (In German) D . H e l l w i n k e l , H . G . G a a , and R . G o t t f r ie d 1045 A. E . L a v a t , S. B. E t c h e v e r r y , and E . J. B a r a n 987 Contents of Number 9 Chemistry and Structural Chemistry of Phosphides and Polyphosphides, 41. Synthesis, Structure and Original Communications Properties of New Silyl, Germyl and Stannyl Sub­ stituted Heptaphosphanes(3) P 7(MPh 3)3 with M = Investigations Concerning the Possible Existence of Si, Ge, Sn (In German) the S 4N4® Radical Cation and the Crystal Struc­

C. M u j i c a , D. W e b e r , and H.-G. v o n S c h n e r i n g ture of S4N4H[FeCl4] (In German) 991 U. T h e w a l t , K. H o l l , U. D e m a n t , U. M ü l l e r , and K. D e h n ic k e 1061 The Crystal Structure of Bis(tetrapropylammo- nium)heptasulfide [N(C 3H 7)4]2S7 (In German) Assignment of 31P Chemical Shifts to Isomers of 2,3-

P. B ö t t c h e r and W. F l a m m 1000 Dialkoxy-A3-diazadiphosphetidines — Crystal and Molecular Structure of fram,-[PhNP(OCH 2CF3)]2

Metal Complexes of Functional Isocyanides, XIII. S. S. K u m a r a v e l , S. S. K rishnamurthy , B . R . Bis(oxazolidin-2-ylidene) Complexes of Man­ V i n c e n t , and T . S. C a m e r o n 1067 ganese^) and Nickel(II) (In German)

W. P . F e h l h a m m e r and U. P l a ia 1005 Alkoxistannate, II. Tri(te/t-butoxi)alkalistannates- (II): Synthesis and Structures (In German)

Thermotropic Liquid Crystals Containing the Di- M . V eit h and R . R ö s l e r 1071 spiro[5.1.5.1]tetradecane Unit (In German) Synthesis of Au2S and Au 2S3 Using H 2S, Short-Chain W. C a l a m i n u s , F. V ö g t l e , and R. E i d e n s c h i n k 1011 and Ring-Structured Sulfur as Sulfur Sources F. E. S e n f t l e and D . B . W r ig h t 1081 Acetonylperoxyl Radicals, CH 3C 0 C H 20 2: A Study on the y-Radiolysis and Pulse Radiolysis of Synthesis and Molecular Structure of tert-Butyl- Acetone in Oxygenated Aqueous Solutions iminovanadium(V) Compounds 'C 4H 9N = V (S R )3 (R = fC4H9, SiPh3) (In German) H. Z e g o t a , M. N. S c h u c h m a n n , D. S c h u l z , and C. v o n S o n n t a g 1015 F. P r e u s s , H. N o i c h l , and J. K a u b 1085

Chemistry of Hydrogen Isocyanide, II. Reactions of Synthesis, Molecular and Crystal Structure of 3-(2,6- [M(CO)5CNH] (M = Cr, Mo, W) with Aziridines: Dimethylphenylamino)-4,5-diethyl-l,2,3-diselena- Cyclic Diaminocarbene Complexes (In German) borole (In German)

W. P. F e h l h a m m e r , E. B ä r , a n d B . B o y a d j ie v C . H a b b e n , A . M e l l e r , M . N o l t e m e y e r , and 1023 G. M. S h e l d r i c k 1093 Contents XIII

Transition Metal Substituted Acylphosphines and [8+2]-Cycloadditions with Benzylidene Malonic Phosphaalkenes, X. Phosphaalkenyl-, Mono- and Acid Derivatives: The Role of Carboxylic Groups Diacylphosphido Complexes of Ruthenium X-Ray in Stereoselectivity (In German) Analysis of (? 75-C5Me5)(C 0 )2RuP[C(0 )r-Bu]2 J. D a u b , S. G ie r is c h , T h . K n ö c h e l , E. S a l b e c k , (In German) and G . M a a s 1151 L. W e b e r , D. B u n g a r d t , K. R e iz ig , a n d R . B o e s e 1096 (±)-3,4-Dihydro-5-methyl-4-«-alkyl and -alkenyl- 2H-pyrroles from Pseudomonas putida The Molecular Structure of 4-Methyl Benzenesul- (In German) fonyl Chloride U. H i l d e b r a n d and H . B udzikiewicz 1161 G. R ig o t ti, B . E . R iv e r o , and R . R . F il g u e ir a 1107 Spin Labeled Bovine Serum Albumin, Spin Labeled Polysulfonylamines, VIII. A Molecule with an Ex­ Bovine Serum Albumin Chelating Agents and tremely Long Silicon-Nitrogen Bond. Solid State Their Gadolinium Complexes. Potential Contrast Structures of N-Trimethylsilyl- and N-Methyl-di- Enhancing Agents for Magnetic Resonance Im­ mesylamine (In German) aging

D. S c h o m b u r g , A. B l a s c h e t t e , and E. W ie l a n d G . S o s n o v s k y , N . U. M. R a o , J. L u k s z o , and 1112 R . C. B r a s c h 1170

Characterisation of Metal Binding Sites for 8-Aza- Natural Abundance 13C—13C Coupling Constants guanine and 8-Azahypoxanthine Derivatives. Observed via ID and 2D INADEQUATE Exper­ Synthesis and X-Ray Structural Analysis of iments in Stigmasterol and 1,4-Androstadiene- Methylmercury(II) and Zinc(II) Complexes 3,11,17-trione

W . S. S h e l d r ic k a n d P. B e l l 1 1 1 7 A. N e s z m £ l y i , W. E. H u l l , G . L u k a c s , and W. V o e l t e r 1178 Sila-Pharmaca, 35th Communication. Sila-Substitu- tion of the Acaricide Fenbutatinoxide and Some of Discarine-I, a New Peptide Alkaloid from Discaria its Derivatives: Synthesis and Properties of Hexa- febrifuga Martius (In German)

kis[(dimethylphenylsilyl)methyl]distannoxane and P. Hennig, A. Morel, and W. V o e l t e r 1180 Tris[(dimethylphenylsilyl)methyl](l,2,4-triazol-l- yl)stannane (In German) Imidazole-Catalyzed Ring Expansion of 2-(Diaryl-

R. T a c k e , M. L in k , H. Jo p p ie n , a n d L . E r n s t 1 1 2 3 methyl)- and 2-(Arylalkyl)-l,2-oxazetidin-3-ones to 4-Oxazolidinones (In German)

Reactions of Tetrapropyldibismuthane with Chalco- T h . L a u t e r b a c h and D. G e f f k e n 1186 gens and Tetramethyldistibane (In German)

H. J. B r e u n ig and D. M ü l l e r 1129 C o n te n ts o f N u m b e r 10 Organometallic Compounds with o-Phenylene Sub­ stituents, Part XI. 3:1 Complexes of Hexachloro- Original Communications dibenzo-p-dioxin-2,3-quinone with 2,3,7,8-Tetra- methoxythianthrene and Selenanthrene S5N5[SnCl 5(CH3CN)]; Synthesis, IR Spectrum, (In German) Mössbauer Spectrum and Crystal Structure (In German) W. H in r ic h s , P. B e r g e s , G. K l a r , and G. M. S h e l d r ic k 1133 U. P a t t -S ie b e l , S. R uangsuttinarupap , U. M ü l ­ l e r , J. P e b l e r , and K. D e h n ic k e 1191 Phosphine-Substituted Chelate Ligands, XX. Syn­ thesis and Diastereoselective Complexation of The Crystal Structures of the Cyclothiazeno Chiral Phosphinothioformamides, Complexes [MoCl 3(N3S2)(Pyridine)] and Ph 2P(X)C(S)NH(ÜHMePh (X = 2e“, O, S) [MoCl 3(N3S2)(Tetrahydrofurane)] (In German) (In German) K. V ö l p , W . W i l l i n g , U. M ü l l e r , and K. D e h ­ U. K u n z e , H. Ja w a d , and R. B u r g h a r d t 1142 n ic k e 1196 XIV Contents

Preparation and Crystal Structure of New Oxidation of Imines by Selenium Dioxide l,3-Diaza-A5,A5-diphosphetidines H . M a r t in and R. H e r r m a n n 1260 C h . D o n a t h , M . M e is e l , K.-H. J o s t , K. K. P a l - k in a , S. I. M a k s im o v a , and N. T. C ibisk o v a 1201 meso-Substituted Porphyrins, 4 (In German)

H . V o l z , M. H a s s l e r , and H . S c h a f f e r 1265 On Alkaline Earth Metal Compounds of 1,1-Dicy- anoethylene-2,2-dithiolate, III. Crystal Structure Synthesis and Reactions of 1,3-Benzodioxoledicarb- of SrS 2C4N2-5 H20 (In German) oxaldehydes. A Contribution to the Structure H .- U . H u m m e l a n d C . W o l f 1206 Elucidation of Nepenthone-A (In German)

F. D a l l a c k e r , H .- J . S c h l e u t e r , and P. Ligand Substitution at S c h n e i d e r 1273 d 5-Mo(CO) 2(PPh 3)2(MeCN)(?72-S02), Crystal and Molecular Structure of On the Wavelength Dependence of the Photoelimi­ d 5-Mo(CO) 2(PMe3)3(?72-S0 2) (In German) nation of the Biphenyl System from ds-Bis- F.-E. B a u m a n n , Ch. B u r s c h k a , and W. A. (phenyl)platinum(II) Compounds (In German) S c h e n k 1211 H . A . B r u n e , U . M a y r , and G. S c h m id t b e r g 1281

The Crystal and Molecular Structure of Dichloro Photooxidation of Methylbenzenes and Methyl- Monothiodibenzoylmethanato Indium Monothio- naphthalenes Sensitized by Cyanoanthracenes dibenzoylmethane InCl 2L(LH) A . A l b in i and S. S preti 1286 A. K. M is h r a , V. D. G u p t a , and H. N öth 1219

Spectra and Crystal Structures of the Adducts Synthesis of Water Soluble Spin Labeled Glucose Cl5Sb • [N(/-C 3H 7)CN(/-C3H 7)] and Derivatives as Potential NMR Contrast Enhancing Cl4Sn • 2 [N(/-C 3H 7)CN(/-C3H7)] (In German) Agents H .- D . H a u s e n , W . S c h w a r z , G. R a j c a , and J. G. S o s n o v s k y , N. U m a M a h e s w a r a R a o , W e id l e in 1223 J. L u k s z o , and R . C. B r a s c h 1293

Reactions of N-Silated Endiamines, I. Transition Metal Complexes of l,3-Diaza-2-sila-4-cyclopen- Syntheses with Cyclobutadienes, 14. Tetra-terr-butyl- tenes (In German) prismanes by Dewarbenzene-Isomerization

M . Z e t t l it z e r , H . tom D ie c k , a n d L . S ta m p 1 230 (In German)

H. W in g e r t and M . R e g it z 1306 Alternative Ligands XX. Novel Complexes M(CO)3L with Tripod Ligands Reactions with Aziridines, 37. N,N'-Substituted M eGe(OCH2PMe2)3 and I,1-Dimethylethylenediamines by Highly Re- MeSi(OCH,PMe,)’t(CH2CH,PMe,)3_x (M = Cr, gioselective Ring Opening of Activated 2,2-Di- Mo, W; x = 0-2) (In German) methylaziridines through Aliphatic Amines

G r o be a n d K r u m m e n 1239 J. N. B . B u c h h o l z , A . O nistschenko , and H. S t a m m 1311

Metal Complexes with Biologically Important The Construction of New Proteins. II. Design, Ligands, XLII. Carbonyl Metal Complexes with Synthesis and Conformational Studies of Folding Anions of Polyfunctional a-Amino Acids Units with /?a/?-Topology (In German) M . M u t t e r , K.-H. A l t m a n n , and T h . V o r - H.-J. M e d e r and W . B e c k 1247 h e r r 1315

Formation of Triradical Trications from Hexaquater- Ring Chain Isomerism of Substituted Tetrahydro- nary Salts Derived from 4,4'-Bipyridine pyridines (In German)

J. M c G e a c h i e and L. A. S u m m e r s 1255 H. M ö h r l e and H. D w u l e t z k i 1323 Contents XV

Contents of Number 11 Synthesis and Crystal Structure of Bis[l,5-Ditolyl- pentaazadienido-thallium(I)] and Bis[l,3-diphe- Original Communications nyltriazenido-thallium(I)] (In German)

J. B eck and J. S t r ä h l e 1381 Transition Metal Squarates, II. On the Structure of Cubic (MC 404-2 H 20 )3-CH 3C 0 0 H-H 20 (M = Preparation of Chalcogenostibanes of the Type Zn2+, Ni2+) ,SbER' (R = CH3, C 2H5; E = S, Se, Te; R' = A. W e is s , E. R ie g l e r , and Ch. R o b l 1329 CH3, C6H5) by Exchange Reactions of Distibanes and Dichalcogenides (In German) Transition Metal Squarates, III. On the Triclinic Cage Structure of H. J. B r e u n ig and S. G ü l e c 1387 (MC404-2 H20)3-CH 3C0 0 H-H 20 (M = Zn2+, Mn2+) (In German) Preparation and Crystal Structure of LiGaBr 4 and LiGaBr3 (In German) A. W e is s , E. R ie g l e r , and C h . R o b l 1333 W. H ö n l e and A. S im o n 1391 Complexes with Substituted 2,5-Dihydroxy-/?-ben- zochinones: ZnC 6(N 0 2)20 4 -2 H20 (In German) Bonding in the BaPdSn 3 Structure

Ch. R o b l and A. W e is s 1337 J. Li and R. H o f f m a n n 1399

Synthesis and Crystal Structure of CuC 40 4 • 2 H 20 Sr3In 2P4 and Ca 3In 2As4, Zintl Phases with Strings of InP 4 and InAs 4 Tetrahedra, Resp., Sharing Edges C h . R o b l and A. W e is s 1341 and Corners (In German)

On Cubic Cyanomercurates NR 4M Hg(CN)4 (R = G . C o r d ie r , H . S c h ä f e r , and M. S tel t e r 1416 Et, Pr; M = Li, Na, K, Cu) with Alumosilicate Type Structure (In German) Crystal Structure of/?-VCl 2(N3S2). Synthesis and Crys­ tal Structure of [VCl(N 3S2)(pyridine)2]2-2 CH 2C12, G . T h ie l e , J. G r o s s m a n n , and A. W. P ü r z e r 13 4 6 a Cyclothiazeno Complex with Vanadium(IV) (In German) A TTF Derivative Acting as a Chelate Ligand: Struc­ ture of /z-[Tetra(methylthio)tetrathiafulvalene]- R . C hristophersen , W . W il l in g , U. M ü l l e r , di[diodomercury(II)], (TTM-TTF) (Hgl2)2, and and K . D e h n ic k e 1420 the Structure of a Second Modification of Free TTM-TTF Synthesis and Structure of Dicarbonyl(?; 5-penta- phenylcyclopentadienyl)rhodium, H . E n d r e s 1351 (?75-C5Ph 5)Rh(CO )2 (In German)

theSynthesis and Structure of [Fe(SPh) 2(NO)2]' theSynthesis U. B e h r e n s and F. E d e l m a n n 1426 “Monomer” of Roussin’s Phenyl Ester (In German) Synthesis and Molecular Structure of the Ferrocenyl Complex CpW(NO)2Fc and its Oxidation to H . S t r a s d e it , B. K r e b s , and G. H e n k e l 1357 CpW02Fc (In German)

Preparation and Crystal Structure of Palladium M . H e r b e r h o l d , H . K n ie s e l , L. H a u m a ie r , Oxide Chloride Pd 2OCl2 (In German) A. G ie r e n , and C . R u i z -P e r e z 1431

B. D a n n e c k e r and G. T h ie l e 1363 Tribromide Salts of the Organic Donor Tetra(methyl- Borylated Carbodiimides (In German) thio)tetrathiafulvalene, [TTM-TTF]+(Br3_) and [TTM-TTF]2+(Br3")2 W. E in h o l z and W. H a u b o l d 1367 H . E n d r e s 1437 Benzoato Complexes of Ruthenium, Part2. Synthesis, Properties and Crystal Structure of Spectral, Magnetic and Thermogravimetric Studies Ru2(C6H 5COO)2(CO)4, Ru2(C6H 5COO)2(CO )6 of Some Dimeric Oxovanadium(IV) Complexes and Ru 2(CH3COO)2(CO )6 (In German) P. K . N a t h , N . C . M is h r a , V. C hakravortty , and M. S p o h n , T h . V o g t , and J. S t r ä h l e 1373 K . C . D a s h 1443 XVI Contents

Metal Complexes with Biologically Important Complexes with Substituted 2,5-Dihydroxy-p-benzo- Ligands, XLIII. Metal Complexes with Unpro­ chinones: The Isotypic Pair BaC 6X20 4-3 H20 (X tected Acyclic Derivatives of Monosaccharides = Cl, Br) (In German) (Amine, Oxime, Schiffbase, Thiazolidine and 1,3- C h . R o b l and A. W e is s 1495 Dithiane Ligands) (In German)

Y. N a g e l and W. B e c k 1447 Polymeric 2,5-Dihydroxy-l,4-benzoquinone Transi­ tion Metal Complexes Na 2(H 20 ) 24[M2(C6H20 4)3] On Heterocyclic Systems Containing Antimony, V. (M = Mn2+, Cd2+) Antimony(III) Dithiolates with Bridged 5- and 8- A. W e i s s , E . R i e g l e r , and C h . R o b l 1501 Membered Rings (In German)

H . M. H o f f m a n n a n d M. D r äg er 1455 Synthesis and Crystal Structure of W2[OC(CF3)2NMe2]2(NMe2)4 (In German) Molecular Complexes, 8. Formation Constants and H . W . R o e s k y , N. B e r t e l , F . E d e l m a n n , Topology of Complexes of Tetramethyluric Acid. R . H e r b s t , E . E g e r t , and G. M. S h e l d r ic k 1506 An !H NMR Reinvestigation Based on the AUS Concept and on the Shift Difference Method. A Reactions of Tungsten Hexafluoride with N-Trime- Revised Complex Topology thylsilyliminotriphosphoranes - Crystal Structure H. Jä c k e l a n d H. S tam m 1461 of (Me 3P = N )2WF4 (In German)

H . W . R o e s k y , K . V. K a t t i , U. S e s e k e , Differences between the Reaction of 2-Benzyl- U. S c h o l z , R . H e r b s t , E . E g e r t , and G. M. idenecyclopentanone with Malononitrile and the S h e l d r i c k 1509 Reaction of Cyclopentylidenemalononitrile with Aromatic Aldehydes; Synthesis of Strong Fluores­ A New Quaternary Oxocadmate: Cs 2K2Cd30 5 cent o-Aminonitriles (In German) J. M irek a n d P . M ila r t 1471 E . S e ip p and R . H o p p e 1513

Biflavonoids from Schinus terebinthifolius Raddi On the Autoxidation of Aqueous Sodium Polysulfide (Anacardiaceae) (In German) R. S t e u d e l , G. H o l d t , and R. N a g o r k a 1519 G . S k o pp a n d G . S c h w e n k e r 1479 Synthesis and Crystal Structure of Mg[Si(CH3)3]2 • (CH 3)2NCH2CH2CH2N(CH3)2 Notes (In German)

L. R ö s c h , J. P ic k a r d t , S. I m m e , and U. B ö r n e r The Crystal Structure of TeCl 3+AuCl4~ 1523 P. G. J o n e s , D. J e n t s c h , and E. S c h w a r z m a n n 1483 Synthetic Pathways to Simple Di- and Trisilylmetha- nes: Potential Starting Materials for the CVD De­ position of Amorphous Silicon a-SiC: H (In German) Contents of Number 12 H . S c h m i d b a u r and J. E b e n h ö c h 1527

Original Communications Synthesis and Crystal Structure of [(^5-C5H 5)2Ti(P(CH3)2Si(CH3)3)Cl] and [Ti(775-C5H5)2(u2-P(CH3)2)]2 Alkaline-earth Squarates, I. BaC 40 4-3H 20 (In German) (In German) R. P a y n e , J. H a c h g e n e i , G. F r i t z , and D. F e n s k e C h . R o b l and A. W e is s 1485 1535

Alkaline-earth Squarates, II. SrC 40 4-3H,0 Type I Transitjon Metal Complexes with Sulfur Ligands. (In German) XXIII. Coupled Alkylation, Redox and Substitu-

C h . R o b l and A. W e is s 1490 tion Reactions at Metal Sulfur Centers: Reactions Contents XVII

of [Ru(PPh 3)2dttd] with Azides RN 3 and NEt4CN An Alternative to the Mixed Probe Method in DNA in CH 2C12 (dttd2- = 2,3; 8,9-dibenzo-l ,4,7,10-tetra- Hybridization: Synthetic “lure” Nucleotide for the thiadecane(—2); R = NEt4+, [C(NH 2)(NMe2)2]+, Ambiguous Position of Codons H +, Me3Si—) (In German) T. F u k u d a , T. H a m a n a , K . K i k u c h i , and D. S e l l m a n n , M. W a e b e r , H. B i n d e r , and R. M a r u m o t o 1571 R. B o e s e 1541 Partition Coefficients of Biologically Important Pyri­ Transition Metal Complexes with Sulfur Ligands, midines and Purines XXIV. Reductive Nitrosylation of [MoCl 2(dttd)] C. P a r k a n y i and D.-Ch. S h ie h 1580 to [Mo(NO) 2(dttd)]; Properties, Structure and Re­ action to NPR 3 Complexes Some New Derivatives of Harmaline Series of Bases [Mo(NO)(NPR 3)dttd] (PR3 = PMe3, PEt3, PMePh2, PEtPh2, PPh3; dttd2' = 2,3,8,9-dibenzo- S. S i d d i q u i , B. S. S i d d i q u i , and S. B e g u m 1583 l,4,7,10-tetrathiadecane(2—)) (In German)

D. S e l l m a n n , J. K e l l e r , M . M o l l , H. P. B e c k , Notes andW . M il iu s 1551 Synthesis of 4,4,5,5-Tetramethyl-3-oxide-2-ferro- Trichlorostannatoplatinum(II) Complexes Contai­ cenyl-imidazoline-l-oxyl (In German)

ning Polyphosphines: Synthesis and W. I. O wtscharenko , W. H u b e r , and K . E. NMR(119Sn, 31P) Characterization (In German) SCHWARZHANS 1587

P. B r ü g g e l l e r 1561 Wrightiin, a New Chlorinated Depside from Erio- Absorption and Fluorescence Spectra of Bis(porphy- derma wrightii Tuck (Ascolichenes)

rinato)zinc(II) Complexes with a Flexible Polyato­ W. S. G. M a a s s and A. W. H a n s o n 1589 mic Chain

Y. N i s h i d a , M. O k a m o t o , and S. K i d a 1565 Synthesis of 5-Aminolevulinic Acid

E. B e n e d ik t and H .- P . K ö st 1593 Reductive Dehalogenation of a-Haloketones by So­ dium Borohydride and Tin(II) Chloride in Subject Index 1595 Tetrahydrofuran

A. O n o , R. Y a m a g u c h i , and Y . S h ir a i 1568 Authors Index 1622