A radical defluorinative alkylation method of 1‐trifluoromethyl alkenes and 1,3‐butadienes with 4‐alkyl‐1,4‐dihydropyridines under visible light irradiation is presented. Various alkylated 1,1‐difluoroalkenes and 1,1‐difluorodienes were obtained in moderate to high yields through a sequential C−C and C−F bond cleavage process.
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Chen et al. (2019) studied this question.
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