A combination of CuBr and hematoxylin was found to be a mild, efficient and environmentally benign catalyst
system for S-arylation of thiols with aryl halides in DMF-H2O. A variety of aryl sulfides are synthesized from moderate to
good yields, under relatively mild reaction conditions with good chemoselectivity and functional group tolerance.
Keywords: Aryl halide, aryl sulfide, copper, hematoxylin,
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