Abstract

The acetolysis of 1-chloro-1-fluorocyclopropanes I [R = Me, (CH2)3OAc] with AgOAc in Ac2O contg. BF3 gave the resp. RCMe(OAc)CF:CH2 (II) initially, and the II eventually rearranged to the more stable RCMe:CFCH2OAc. [on SciFinder (R)]

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