Organic letters

Catalyst-free alkylation of sulfinic acids with sulfonamides via sp3 C− N Bond cleavage at room temperature

CR Liu, MB Li, DJ Cheng, CF Yang, SK Tian

Index: Liu, Cong-Rong; Li, Man-Bo; Cheng, Dao-Juan; Yang, Cui-Feng; Tian, Shi-Kai Organic Letters, 2009 , vol. 11, # 12 p. 2543 - 2545

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Citation Number: 68

Abstract

An unprecedented catalyst-free alkylation of sulfinic acids with sulfonamides has been developed via sp3 C− N bond cleavage at room temperature. In the absence of external catalysts and additives, a wide variety of N-benzylic and N-allylic sulfonamides couple with sulfinic acids to give structurally diversified sulfones in moderate to excellent yields. Furthermore, the reaction of N-(2-acyl) allylic sulfonamides with sulfinic acids provides a ...

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