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Copper-Catalyzed Cyclization for Access to 6H‑Chromeno[4,3‑b]quinolin-6-ones Employing DMF as the Carbon Source

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journal contribution
posted on 2017-08-08, 00:00 authored by Yiyi Weng, Hao Zhou, Chen Sun, Yuanyuan Xie, Weike Su
The first example of the copper-catalyzed cyclization of 4-(phenylamino)-2H-chromen-2-ones employing the N-methyl moiety of DMF as the source of the methine (CH) group has been developed, providing an efficient synthetic pathway to access novel functionalized 6H-chromeno­[4,3-b]­quinolin-6-ones in moderate to good yields.

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