Abstract
An Iodine-catalysed process for an efficient and scalable sulfenylation protocol for indoles employing aryl-/alkyl sulfonyl chlorides has been developed. A series of sterically and electronically divergent aryl-/alkyl sulfonyl chlorides participated in the sulfenylation of C(sp2)–H bonds, resulting in a high to excellent yield of indole 3-sulfenylether molecules. It is noteworthy that indole-3-thiomethyl ether is efficiently generated with methanesulfonyl chloride as an electrophile, indicating the potential of this methodology.
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