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University Microfilms INFORMATION TO USERS This dissertation was produced from a microfilm copy of the original document. While the most advanced technological means to photograph and reproduce this document have been used, the quality is heavily dependent upon the quality of the original submitted. The following explanation of techniques is provided to help you understand markings or patterns which may appear on this reproduction. 1. The sign or "target" for pages apparently lacking from the document photographed is "Missing Page(s)". If it was possible to obtain the missing page(s) or section, they are spliced into the film along with adjacent pages. This may have necessitated cutting thru an image and duplicating adjacent pages to insure you complete continuity. 2. When an image on the film is obliterated with a large round black mark, it is an indication that the photographer suspected that the copy may have moved during exposure and thus cause a blurred image. You will find a good image of the page in the adjacent frame. 3. When a map, drawing or chart, etc., was part of the material being photographed the photographer followed a definite method in "sectioning" the material. It is customary to begin photoing at the upper left hand corner of a large sheet and to continue photoing from left to right in equal sections with a small overlap. If necessary, sectioning is continued again — beginning below the first row and continuing on until complete. 4. The majority of users indicate that the textual content is of greatest value, however, a somewhat higher quality reproduction could be made from "photographs" if essential to the understanding of the dissertation. Silver prints of "photographs" may be ordered at additional charge by writing the Order Department, giving the catalog number, title, author and specific pages you wish reproduced. University Microfilms 300 North Zeeb Road Ann Arbor, Michigan 48106 A Xerox Education Company 73-2049 LIANG, Wei Chuan, 1936- STUDIES ON VINYL CATIONS AND UNSATURATED CARBENES. The Ohio State University, Ph.D., 1972 Chemistry, organic University Microfilms, A XEROX Com pany , Ann Arbor, M ichigan THIS DISSERTATION HAS BEEN MICROFILMED EXACTLY AS RECEIVED. STUDIES ON VINYL CATIONS AND UNSATURATED CARBENES DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University By Wei Chuan L iang; B .A ., M.S. # ir -/c ir %'c The Ohio State University 1972 Approved hy A dviser DepartmenL of Chemistry PLEASE NOTE: Some pages may have i nd i St i net print. Filmed as received. University Microfilms, A Xerox Education Company DEDICATION To ray parents IX ACKNOWLEDGMEIW The author "wishes to express his sincere gratitude to Professor Melvin S. Ne"wman for his constructive criticism , guidance, and en­ couragement throughout the course of this research, and for his generous assistance in the preparation of this manuscript. And a special thanks is due to the author's wife, Yu-Lan, for her untiring patience and support. i i i VITA November 2$, 1936 ................................... Born, Shanghai, China 1961 ................................................................. B.A., Kalamazoo College, Kalamazoo, M ichigan 1 9 6 1 -1 9 6 7 ..................................................... Research Chemist, The Luhrizol Corporation, W ickliffe, Ohio 1966 ................................................................. M.S., Case-Western Reserve University, Cleveland, Ohio 1 9 6 7 -1 9 7 2 ..................................................... Teaching Assistant, Research Assis­ tant, Research Associate, and Teach­ ing Associate, Department of Chemistry, The Ohio State University, Columbus, Ohio IV TABLE Œ CONTENTS Page DEDICATION........................................................................................................................... i i ACKNONIEDGKiENT................................................................................................................. i i i VITA .............................................................................................. iv LIST OF TABLES ................................................................................................................. v i i LIST OF FIGURES ............................................................................................................... v i i i LIST OF SCimUES ............................................................................................................... ix INTJ^OjJUCî IOÏÏ ...................................................................................................................... 1 HISTORICAL ........................................................................................................................... h DISCUSSION OF RESULTS ................................................................................................. 52 EXPERII'ffiNTAL...................................................................................................................... jh Generalizations .................................................................................................... 74 Alkaline decompositions of 5-methyl-5-t-tutyl-N- nitroso-2-ozazolidone ( 3 ) ........................................................................ 75 Preparation of N-nitroso-4;5,5-trimethyl-2-oxazoli- done (40) ........................................................................................................... 79 AUtaline decomposition of N-nitroso-4;5;5-trimethyl- 2-oxazo].idone (^ ) ..................................................................................... 85 AUuiline decomposition of 1-(N-nitrosoacctylaminomethyl)- cyclohexanol ( 6 1 ) in the presence of ketones ............................ 92 AUcaline decomposition of l-(N-nitroooacetylaminomethyl)- cyclohexanol ( 6 1 ) in the presence of aldehydes ....................... 96 Preparation of cyclohexylideuemethyl t-hutyl ketone ( 6 9 ) ...................................................................................................................... 100 Page Decomposition of 1-(N-nitrosoacetylaminomethyl)eyclo- hexanol (^ ) vrith triethylamine in the presence of iso­ butyraldéhyde ................................................................................................. 104 Alkaline decomposition of 1-(N-nitrosoacetylamino- methyl)cyclohexanol ( 6 l) in the presence of nucleo­ p h ile s ................................................................................................................. 10^ Alkaline decomposition of 1-(N-nitrosoacetylamino- methyl) cyclohexanol (^ ) in the presence of triethyl phosphite and acetone ............................................................................... I l l Alkaline decomposition of 1-(N-nitrosoacetyl'^.mino- methyl)cyclohexanol (^ ) in the presence of trialkyl phosphites ........................................................................................................ 112 Decomposition of 1-(N-nitrosoacetylaminomethyl)cyclo­ hexanol (6l) •'.rith pyrrolidine ............................................................ U 4 Decomposition of 3i-nitroso-l-oxa-$-azaspiro[4; 5]decan- 2-one (^ ) in diethylamine ................................................................... 115 AUcaline decomposition of 5“i^itroso-l-oxa-3-azaspiro- [4,5]^ecan-2-one (^ ) in the presence of cyclohexene and a phase transfer agent ................................................................... U 6 AUcaline decomposition of 3-nitroso-spiro[fluorene-9S 5- oxasolidin]-2-one (74) in the presence of cyclohexene ... U6 Preparation of 3-acetylamino-2-methy1-2-butanol ( t6) .... 117 Preparation of methyl n-butyl-N-chlorocarbamate (t 8) .... H 8 AUcaline decomposition of methyl n-butyl-N-chlorocarba­ m ate (7 8 ) in the presence of cyclohexene ................................... I I 9 AJJcaline decomposition of methyl n-butyl-N-chlorocarba­ mat e (7 8 ) .......................................................................................................... 119 V i LIST OF TABLES T ab le Page 1. AUcaline decomposition of 5? 5-dialkyl-3-nitroso-2- oxazolidones (l) in the presence of halide ions ....................... 6 2. AUcaline decomposition of 5^5“dialkyl-3-nitroso-2- oxazolidones (l) in the presence of olefins ................................ 12 3. AUcaline decomposition of 5"i^nsthyl-5-t-hutyl-3-nitro30- 2-oxazolidone ( 3 ) with sodium phenoxide in phenol-glyme ... 38 4. AUcaline decomposition of h-nitroso-4,3;3-trimethyl-2- oxazolidone (^ ) ............................................................................................... 44 5 . AUcaline decomposition of 1-(N-nitros oacetylaminomethyl)- cyclohexanol (^ ) in the presence of ketones and alde­ hydes ........................................................................................................................ 49 6. Alkaline decomposition of 1-( N- nitros oacetylami nomethyl)- cyclohexanol ( 6 1 ) in the presence of nucleophiles ................... 60 VI1 LIST OF FIGURES Figure Page 1. Wmr spectrum^ 60 Mz, of ^ in CCI 4 .................................................. 77 2. Infrared spectrum of ^ .............................................................................. 80 3 . Nmr spectrum; 60 MIZ; o f ^ in CCI 4 .................................................. 8 l 4. Infrared spectrum of .............................................................................. 82 5 . Wmr spectrum ; 60 MIZ; o f ^ in CCI 4 .................................................
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