Abstract
The synthesis of iron-catalyzed N-methylation of quinoxalin-2(1H)-ones using dimethyl sulfoxide as the methylating reagent is described herein. The cross-coupling reactions proceeded smoothly under visible-light irradiation, which generated the corresponding products in moderate to good yields. Further investigation on the application of the methylation reaction using readily available DMSO as the methylation reagent is currently underway.
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