Campus Access Only
All rights reserved. This publication is intended for use solely by faculty, students, and staff of University of the Pacific. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, now known or later developed, including but not limited to photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author or the publisher.
Date of Award
Doctor of Philosophy (Ph.D.)
Donald K. Wedegaertner
First Committee Member
Second Committee Member
Paul H. Gross
Third Committee Member
The strained cyclic allene intermediates of 1,2-cyclohexadiene, 1,2-cycloheptadiene and 1,2-cyclooctadiene have been successfully generated by the debromination of their corresponding 2,3-dibromocycloalkenes. Evidence for their intermediate existence was obtained by trapping them with the Diels-Alder trapping agent 2,5-diphenyl 1-3,4-benzofuran and by isolating the corresponding addition products.
The goal of this study was to generate the transitory cyclic allenes 1,2-cyclooctadiene, 1,2-cycloheptadiene and 1,2-cyclohexadiene and to investigate some aspects of their chemistry. Evidence for the intermediate existence of these strained cyclic allenes has been found by generating them by the debromination of their corresponding 2,3-dibromocycloalkenes and by trapping the generated cycloallene intermediates with the Diels-Alder trapping agent 2,5-diphenyl-3,4-benzofuran.
In order to carry out this study, it became necessary to synthesize 2,3-dibromocyclooctene and 2,3-dibromocycloheptene. 2,3-Dibromocyclohexene had been previously prepared. The synthetic sequence employed to obtain these compounds is summarized by Equations 2 and 3.
Boyden, Franklin Maurice. (1969). Strained Cycloallenes And Silver Ion Assisted And Unassisted Solvolysis Of Some N,N-Dibromobicyclo(N-3.1.0)Alkanes. University of the Pacific, Dissertation. https://scholarlycommons.pacific.edu/uop_etds/2853
No Known Copyright. URI: http://rightsstatements.org/vocab/NKC/1.0/
The organization that has made the Item available reasonably believes that the Item is not restricted by copyright or related rights, but a conclusive determination could not be made. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.