Reaction of difluorocarbene with 2-benzylidenecyclohexanones to afford phenylfluorofurans

Abstract
Difluorocarbene reacted with several 2-benzylidenecyclohexanones giving phenylfluorofurans: trans-1-benzoyl-2,2-difluoro-3-phenylcyclopropane, when heated for 1½ h at 216°, gave 3-fluoro-2,5-diphenylfuran in high yield.

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