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

Org Lett

Key Laboratory of Modern Analytical Science and Separation Technology of Fujian Province, School of Chemistry and Environment, Minnan Normal University, Zhangzhou 363000, China.

Published: June 2016

Decarboxylative cross-coupling reactions of cinnamic acids with sulfonylhydrazides were explored using oxygen as the sole terminal oxidant, realizing a conceptually novel technology for vinyl sulfone synthesis under the synergistic interactions of visible light irradiation, organic dye-type photocatalyst eosin Y, KI, and Cs2CO3 at room temperature.

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http://dx.doi.org/10.1021/acs.orglett.6b01353DOI Listing

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