A simple strategy to 3‐acylated quinoxalin‐2(1 H )‐ones via a photo‐induced cross‐dehydrogenative coupling of quinoxalin‐2(1 H )‐ones with commercially available aldehyde under metal free conditions without an external photocatalyst was developed. In this transformation, various 3‐acylated quinoxalin‐2(1 H )‐ones were generated in high yields with good functional‐group tolerance.
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Wang et al. (2024) studied this question.
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