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Fluorinated sulfinate salts RfSO2Na (Rf = CF2H, CF2Ph, and CH2F) have been prepared via NaBH4-mediated reduction of the corresponding benzodthiazol-2-yl sulfones, and their synthetic application as di- and monofluoroalkyl radical precursors is demonstrated in the silver-catalyzed cascade fluoroalkylation/aryl migration/SO2 extrusion of conjugated N-arylsulfonylated amides.
He et al. (Fri,) studied this question.