Self-Catalyzed, Visible-Light-Induced Selective C3-H Aroylation of Quinoxalin-2(1H)-ones with Arylaldehydes by Air as an Oxidant.

Wenhao Liu, Xingyuan Liu, Runjiao Liu,Hanqing Zhao,Zihao Xia

The Journal of organic chemistry(2024)

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摘要
A self-catalyzed, visible-light-induced, directly selective C3-H aroylation of quinoxalin-2(1H)-ones via energy transfer and hydrogen atom transfer (HAT) catalysis has been developed. The method is highly atom-economical, eco-friendly, and easy to handle. Notably, the reaction proceeded efficiently with ambient air as the sole oxidant at room temperature.
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