ISSN:
1573-9171
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Conclusions 1. The main products of photolysis of cis-, trans-2,6-diphenylcyclohexanones are cis-, trans-1,2-diphenylcyclopentane and cis-, trans-1,5-diphenyl-1-pentene: Their yields do not depend on the configuration of the starting ketone. Also formed in small quantities are benzaldehyde, acetophenone, and diphenyl. 2. By the action of light cis- and trans-2,6-diphenylcyclohexanone undergo a type I Norrish cleavage with formation of the acylbenzyl biradical, which is decarbonylated with transformation into a benzylbenzyl biradical, the reactions of recombination and disproportionation of which determine the nature of the products given. 3. The recombination reaction is essentially less specific than the disproportionation reaction, which is achieved with predominant formation of the trans isomer.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00951280
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