Journal
ORGANIC LETTERS
Volume 22, Issue 16, Pages 6557-6561Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c02308
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Funding
- Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Government of India
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A highly efficient protocol for copper-catalyzed thioalkynylation of enaminone-based thiocyanates with terminal alkynes under mild conditions has been developed. This scalable amino group-directed thio-alkynylation proceeds in the open air with a broad substrate scope and an excellent yield. The demonstrated synthetic transformation creates the opportunity for a wide variety of sulfur-containing useful materials. Gram-scale synthesis and further synthetic transformations of alkynyl sulfides highlight the potential utility of the method.
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