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Article Abstract
A photocatalyst-free method has been developed for the synthesis of quinazolinones from -aminobenzamides and rongalite as a C synthon under visible light for the first time. This transformation proceeds using atmospheric oxygen as the oxidant, involving the generation of a superoxide radical anion (O˙), as supported by EPR analysis. Additionally, the formation of HO was confirmed by UV-Vis spectrophotometric analysis. Key features of this method include broad functional group tolerance, moderate to good yields, gram-scale applicability, and a proof-of-concept demonstration of -formylation using -anisidine.
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