A nickel-catalyzed cross-electrophile coupling of allylic acetates and -difluorovinyl tosylate is presented, which first achieves allylic -difluoroolefins via C(sp)-C(sp) cross-electrophile coupling. In addition, this protocol was performed under mild reaction conditions, affording a variety of allylic -difluorovinyl arenes in moderate to good yields. Moreover, both linear and branched allylic acetate could produce a linear cross-coupling product exclusively. Mechanistic studies reveal that the reaction involves two different Ni(0)/Ni(II) catalytic cycles.
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