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Copper-Catalyzed Regio- and Stereoselective Sulfonylation of Alkynyl Imines with Sulfonyl Hydrazides: Access to (E)-β-Sulfonyl Enones

Rongxiang Chen, Shaozhu Li, Jinju Zhang, Jing Cao, Kai-Kai Wang*, Tuanjie Meng and Lantao Liu*

*Xinxiang University, Xinxiang 453003; Shangqiu Normal University, Shangqiu, Henan 476000, PR China, Email:,

R. Chen, S. Li, J. Zhang, J. Cao, K.-K. Wang, T. Meng, L. Liu, J. Org. Chem., 2022, 87, 13322-13330.

DOI: 10.1021/acs.joc.2c01192

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A regio- and stereoselective copper-catalyzed sulfonylation of alkynyl imines with sulfonyl hydrazides provides a series of (E)-β-sulfonyl enones in good yields. Mechanistic studies suggest a radical process.

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Key Words

vinyl sulfones, TBHP

ID: J42-Y2022