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Published November 1, 1958 | public
Journal Article

Small Ring Compounds. XXII. Ring Opening of Halogenated 3-Phenylcyclobutenones in Acetic Acid and Aqueous Sodium Hydroxide

Abstract

Ring-opening reactions of a number of halogen-substituted 3-phenylcyclobutenones in acetic acid and in aqueous sodium hydroxide have been investigate and the resulting carboxylic acids identified. The course of reaction in acetic acid can be rationalized by a mechanism involving vinylketene intermediates. The base-induced ring-opening reaction appears to follow a course dependent on the number and location of the halogen atoms but is generally similar to the haloform reaction.

Additional Information

© 1958 American Chemical Society. Received May 22, 1958. Supported in part by a grant from the National Science Foundation; National Science Foundation Postdoctoral Fellow, 1955-1956; Arthur A. Noyes Fellow, 1966-1957. Fulbright travel grantee.

Additional details

Created:
August 19, 2023
Modified:
October 25, 2023