Disulfides as efficient thiolating reagents enabling selective bis-sulfenylation of aryl dihalides under mild copper-catalyzed conditions†,10.1039/C4RA02935F

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Disulfides as efficient thiolating reagents enabling selective bis-sulfenylation of aryl dihalides under mild copper-catalyzed conditions†

Yunyun Liu,Hang Wang,Jida Zhang,Jie-Ping Wan,Chengping Wen

RSC Advances Pub Date : 04/17/2014 00:00:00 , DOI:10.1039/C4RA02935F

Abstract

Selective bis-sulfenylation reactions of aryl dihalides have been achieved by copper-catalyzed C–S coupling reactions under mild conditions of refluxing EtOH (80 °C). Employment of disulfides as thiolating reagents enables the production of various bis(phenylthio)benzenes with excellent selectivity, and no products from mono C–S coupling are isolated.