Chalcogen bonding enabled photosynthesis of aryl selenides from aryl sulfonium salts
Literature Information
Xiao-Di Su, Qing-Shuang Zhang, Bei-Bei Zhang, Lin He, Qiang Liu, Xiang-Yu Chen
While aryl sulfonium salts have emerged as a powerful tool for the synthesis of aryl–aryl/CF3 chalcogenides, a general and efficient charge transfer complex (CTC) strategy to access diverse aryl–aryl and aryl–alkyl chalcogenides remains underdeveloped. Herein, we describe a novel photoinduced chalcogen bonding (ChB) approach to synthesize aryl–aryl, aryl–alkyl selenides, and aryl–alkyl sulfides from aryl sulfonium salts. Our experimental and computational studies indicate that ChB facilitates the formation of a photoactive CTC between aryl sulfonium salts and dichalcogenides.
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