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Switchable Access to 3-Carboxylate-4-quinolones and 1-Vinyl-3-carboxylate-4-quinolones via Oxidative Cyclization of Isatins and Alkynes

Shi-Fen Jiang, Cheng Xu, Zhi-Wen Zhou, Qin Zhang, Xiao-Hui Wen, Feng-Cheng Jia* and An-Xin Wu*

*Wuhan Institute of Technology, Wuhan 430205; Central China Normal University, Wuhan 430079, P. R. China, Email:,

S.-F. Jiang, C. Xu, Z.-W. Zhou, Q. Zhang, X.-H. Wen, F.-C. Jia, A.-X. Wu, Org. Lett., 2018, 20, 4231-4234.

DOI: 10.1021/acs.orglett.8b01645

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An efficient transition-metal-free oxidative cyclization reaction of alkynes with isatins enables a facile synthesis of structurally diverse 4-quinolones.

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Key Words

4-quinolones, tert-butyl hydroperoxide

ID: J54-Y2018