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Reductant-Free Aerobic Hydroxylation of Isoquinoline-1,3(2H,4H)‑dione Derivatives

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journal contribution
posted on 15.01.2019, 00:00 by Yuanyong Yang, Yingxian Li, Cheng Cheng, Guo Yang, Shuiying Wan, Jiquan Zhang, Yuanhu Mao, Yonglong Zhao, Lin Zhang, Chun Li, Lei Tang
Base-catalyzed efficient hydroxylation of isoquinoline-1,3­(2H,4H)-diones with air under transition-metal-free and reductant-free conditions was established. This methodology is essentially mild and compatible with a broad range of substrates, including aryl, heteroaryl, and alkyl groups. Also, the product could be simply transformed into a hydroxylated tetrahydroisoquinoline core structure through a reductive process.