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Copper-Catalyzed Tandem Sulfuration/Annulation of Propargylamines with Sulfur via C–N Bond Cleavage

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journal contribution
posted on 27.05.2019, 00:00 by Hong-Hui Xu, Xiao-Hong Zhang, Xing-Guo Zhang
Copper-catalyzed aerobic oxidative sulfuration and annulation of propargylamines with elemental sulfur is described. The tandem reaction involves C–N bond cleavage and the formation of multiple C–S bonds, affording 1,2-dithiole-3-thiones in good to excellent yields with good functional group tolerance.