InBr3-catalyzed sulfonation of indoles: a facile synthesis of 3-sulfonyl indoles |
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| Authors: | J.S. Yadav B.V.S. ReddyA.D. Krishna T. Swamy |
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| Affiliation: | Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad-500 007, India |
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| Abstract: | Indoles react smoothly with sulfonyl chlorides in the presence of a catalytic amount of indium tribromide at ambient temperature to afford the corresponding 3-arylsulfonyl indole derivatives in high yields with high regioselectivity. |
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| Keywords: | indium reagents sulfonylation indoles indolyl aryl sulfones |
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