Direct access to bis-S-heterocycles via copper-catalyzed three component tandem cyclization using S8 as a sulfur source

Literature Information

Publication Date 2019-03-04
DOI 10.1039/C9OB00377K
Impact Factor 3.876
Authors

Peiqi Zhou, Yubing Huang, Wanqing Wu, Wentao Yu, Jianxiao Li, Zhongzhi Zhu, Huanfeng Jiang


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Abstract

A novel strategy for constructing sulfur containing bis-S-heterocyclic compounds from oxime esters/vinyl azide, phenylacetylene/aldehydes and elemental sulfur (S8) has been developed. These transformations show good functional group tolerance. Various bis-S-heterocyclic products were efficiently synthesized from easily prepared or widely commercially available starting materials. In this protocol, S8 successfully served as a two-sulfur atom donor for thiophene and thiazole rings, respectively.

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Organic & Biomolecular Chemistry

Organic & Biomolecular Chemistry
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