Photoredox-Catalyzed Hydrosulfonylation of Arylallenes.
Olga A StorozhenkoAlexey A FestaGalina I DetistovaVictor B RybakovAlexey V VarlamovErik V Van der EyckenLeonid G VoskressenskyPublished in: The Journal of organic chemistry (2020)
(Het)Arylallenes undergo hydrosulfonylation under photoredox-catalyzed conditions. The reaction gives vinyl sulfones in a regio- and diastereoselective manner, employing sodium sulfinates as the sulfonyl source and eosin Y as the photocatalyst. Indol-1-yl, pyrrol-1-yl, phenyl, and naphtylallenes might be used. Aliphatic allenes are incompatible with the reaction conditions.