Preparation of 7,7-difluoro-2,5-diphenylbenzocyclopropene by halide exchange
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 23,p. 895
- https://doi.org/10.1039/c39730000895
Abstract
7,7-Dichloro-2,5-diphenylbenzocyclopropene (1) undergoes exchange with silver fluoride under mild conditions to yield 7,7-difluoro-2,5-diphenylbenzocyclopropene (2); a substituted benzocyclopropenium ion (3) is proposed as an intermediate of the reaction.Keywords
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