Electrochemical Synthesis of Vinyl Sulfones by Sulfonylation of Styrenes with a Catalytic Amount of Potassium Iodide

Pei-Long Wang, Hui Gao*, Zhi-Sheng Jiang, Chao Li, Zhi-Ao Tian, Pin-Hua Li*

*Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. of China, Email: gaohui20032163.com, pinhualimail.ustc.edu.cn

P.-L. Wang, H. Gao, Z.-S. Jiang, C. Li, Z.-H. Tian, P.-H. Li, Synlett, 2020, 31, 1720-1724.

DOI: 10.1055/s-0040-1707249

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Abstract

An electrochemical sulfonylation reaction of styrenes with sodium arylsulfinates as sulfonylating reagents, a catalytic amount of KI as a redox mediator, and Bu₄NBF₄ as the electrolyte provides vinyl sulfones in good yields. Substrates bearing either electron-donating or electron-withdrawing groups are tolerated.

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Key Words

electrochemistry, vinyl sulfones, sulfonylation, styrenes, sodium sulfinates

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ID: J72-Y2020