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Visible-Light-Enabled Decarboxylative Sulfonylation of Cinnamic Acids with Sulfonylhydrazides under Transition-Metal-Free Conditions

Shunyou Cai*, Yaohui Xu, Danling Chen, Lihuang Li, Qifa Chen, Mingqiang Huang and Wen Weng

*Key Laboratory of Modern Analytical Science and Separation Technology of Fujian Province, School of Chemistry and Environment, Minnan Normal University, Zhangzhou 363000, China, Email: caishy05mnnu.edu.cn

S. Cai, Y. Xu, D. Chen, L. Li, Q. Chen, M. Huang, W. Weng, Org. Lett., 2016, 18, 2990-2993.

DOI: 10.1021/acs.orglett.6b01353 (free Supporting Information)



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Abstract

The synergistic interactions of the organic dye-type photocatalyst eosin Y, KI, and Cs2CO3 enable a decarboxylative cross-coupling reaction of cinnamic acids with sulfonylhydrazides under visible light irradiation using oxygen as the sole terminal oxidant to provide vinyl sulfones at room temperature.

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Key Words

vinyl sulfones


ID: J54-Y2016