Abstract

Difluorocarbene, generated from (bromodifluoromethyl)triphenlphosphonium bromide, underwent cycloaddn. to RC.tplbond.CR1 (R = Ph, hexyl, octyl, R1 = H; R = Pr, R1 = Me, propyl; R = Ph, R1 = Me) to give difluorocyclopropenes I in 46-80% yields. [on SciFinder (R)]

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