Addition of organolithium reagents to α-(trifluoromethyl)styrene: concise synthesis of functionalised gem-difluoroalkenes

Authors:
  • JBJean-Pierre Bégué
    Jean-Pierre Bégué
  • DBDanièle Bonnet-Delpon
    Danièle Bonnet-Delpon
  • MRMichael H. Rock
    Michael H. Rock

Abstract
The treatment of α-(trifluoromethyl)styrene with organolithium reagents results in the selective formation of gem-difluoroalkenes in good-to-excellent yields. This reaction has been applied to the synthesis of 3-gem-difluoro-2-phenylallylic amines and other functionalised gem-difluoroalkenes.

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