Abstract
AbstractHerein, we report a photochemical synthesis of 1,4‐dicarbonyl containing quinoxalin‐2(1H)‐ones through consecutive photoredox catalysed reactions. A wide range of C3‐modified quinoxalin‐2(1H)‐ones were obtained in 53–91% yields by this approach. Mechanistic studies including radical trapping, EPR studies, D‐labelling investigations, and many other control experiments well explained the proposed consecutive photoredox mechanism.
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