Copper-Catalyzed Regio- and Stereoselective Sulfonylation of Alkynyl Imines with Sulfonyl Hydrazides: Access to (E)-β-Sulfonyl Enones. 2022

Rongxiang Chen, and Shaozhu Li, and Jinju Zhang, and Jing Cao, and Kai-Kai Wang, and Tuanjie Meng, and Lantao Liu
School of Pharmacy, Xinxiang University, Xinxiang 453003, PR China.

A copper-catalyzed sulfonylation of alkynyl imines with sulfonyl hydrazides has been developed, which exhibited excellent regio- and stereoselectivity and furnished a series of (E)-β-sulfonyl enones in moderate to good yields. Mechanistic studies suggest that this strategy goes through a radical process.

UI MeSH Term Description Entries
D007097 Imines Organic compounds containing a carbon-nitrogen double bond where a NITROGEN atom can be attached to HYDROGEN or an alkyl or aryl group. Imine
D002384 Catalysis The facilitation of a chemical reaction by material (catalyst) that is not consumed by the reaction. Catalyses
D003300 Copper A heavy metal trace element with the atomic symbol Cu, atomic number 29, and atomic weight 63.55. Copper-63,Copper 63
D006834 Hydrazines Substituted derivatives of hydrazine (formula H2N-NH2). Hydrazide

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