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Yang, Yuan; Xu, Chong‐Hui; Teng, Fan; Li, Jin‐Heng
Advanced synthesis & catalysis, August 19, 2020, Letnik: 362, Številka: 16Journal Article
We demonstrate a three‐component 1,2‐alkylsulfonylation of alkenes using sodium sulfinates and pyridinium salts through visible light photoredox catalysis, wherein heteroarenium salts are harnessed as radical acceptors via dearomatization. This reaction allows the simultaneous incorporation of sulfonyl and 1,4‐dihydropyridine groups across the C=C bonds to access various sulfonyl‐containing 1,4‐dihydropyridine derivatives with a broad substrate scope and represents a mechanistically distinct approach to achieve alkene difunctionalization through reductive single‐electron transfer.
