Abstract

AbstractWe developed a novel and efficient method for the synthesis of various 3‐alkylated quinoxalin‐2(1H)‐ones (32 examples, 70%–96% yields) through electron donor‐acceptor complex enabled alkylation of quinoxalin‐2(1H)‐ones with N‐ hydroxyphthalimide esters as the alkyl source and Na2S as the catalytic electron donor under external photocatalyst‐, oxidant‐ and additive‐free conditions.

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