Arshad Ali, Cherry Chung, Jingru Wang, Lang Liu, Yi Kong, Chongyuan Wang, Yidong Liu, Qin Yin, Shaoquan Lin
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β-Thioamide Sulfone Enabled Copper-Catalyzed Ring-Opening/Sulfonylation of Cyclopropenes: Access to Alkyl Aryl Sulfones
Sulfone motifs play important roles in bioactive compounds and functional materials. The development of efficient methodologies for constructing sulfonyl-containing compounds has thus attracted considerable attention. Here, we introduce a protocol for the preparation of alkyl aryl sulfones under mild conditions. This protocol employs β-thioamide sulfone as a novel sulfone motif donor. It forms sulfinates in situ under basic conditions, which then undergo cross-coupling with the intermediates that were generated from ligand-free copper-catalyzed cyclopropenes (CPEs) ring opening.
期刊介绍:
Organic Letters invites original reports of fundamental research in all branches of the theory and practice of organic, physical organic, organometallic,medicinal, and bioorganic chemistry. Organic Letters provides rapid disclosure of the key elements of significant studies that are of interest to a large portion of the organic community. In selecting manuscripts for publication, the Editors place emphasis on the originality, quality and wide interest of the work. Authors should provide enough background information to place the new disclosure in context and to justify the rapid publication format. Back-to-back Letters will be considered. Full details should be reserved for an Article, which should appear in due course.