Electrochemical Synthesis of Alkenylsulfonates from Alkynes, NaHSO3 and Alcohols

Xiaoman Wang; Qianqian Chen; Jinhang Zhou; Yi Hu; Shengqing Ye; Jie Wu

doi:10.1002/cjoc.202400962

Chinese Journal of Chemistry ›› 2025, Vol. 43 ›› Issue (3) : 292 -296. DOI: 10.1002/cjoc.202400962

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Electrochemical Synthesis of Alkenylsulfonates from Alkynes, NaHSO₃ and Alcohols

Xiaoman Wang ¹
, Qianqian Chen ²
, Jinhang Zhou ²
, Yi Hu ¹^,^†
, Shengqing Ye ²^,^†
, Jie Wu ²^,³^,⁴^,^†

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Abstract

Alkenylsulfonates are commonly encountered in medicinal chemistry, polymer chemistry, and organic synthesis. In this research, an electrochemical reaction involving alkynes, NaHSO ₃, and alcohols has been developed. This method yields functionalized alkenylsulfonates in good yields with broad functional group tolerance. Mechanism studies indicate that anodic oxidation of inorganic sulfite, radical insertion process, and HAT process are involved in this transformation.

Keywords

Electrochemical synthesis / Inorganic sulfites / Alkenylsulfonates / Alkoxysulfonyl radicals / HAT process / Alkynes

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Xiaoman Wang, Qianqian Chen, Jinhang Zhou, Yi Hu, Shengqing Ye, Jie Wu. Electrochemical Synthesis of Alkenylsulfonates from Alkynes, NaHSO₃ and Alcohols. Chinese Journal of Chemistry, 2025, 43(3): 292-296 DOI:10.1002/cjoc.202400962