Abstract
AbstractHerein, visible‐light‐induced metal‐free three‐component amidoheteroarylation of alkenes with quinoxalin‐2(1H)‐ones and N‐sulfonylaminopyridinium salts is developed. This protocol involves a radical relay process in which the N‐centered radicals undergo chemoselective addition to alkenes to form an alkyl radical that selectively combines with heteroarenes, leading to the formation of C−C and C−N bonds in one step under mild reaction conditions. The involved high efficiency and selectivity, wide substrate scope, and excellent functional‐group compatibility demonstrate the practicability of the developed protocol.
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