Catalyst-Free Alkylation of Sulfinic Acids with Sulfonamides via sp<sup>3</sup> C−N Bond Cleavage at Room Temperature
作者:Cong-Rong Liu、Man-Bo Li、Dao-Juan Cheng、Cui-Feng Yang、Shi-Kai Tian
DOI:10.1021/ol900788r
日期:2009.6.18
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
通过在室温下通过sp 3 C-N键裂解,开发了一种前所未有的亚磺酸与磺酰胺的无催化剂烷基化反应。在没有外部催化剂和添加剂的情况下,各种各样的N-苄基和N-烯丙基磺酰胺与亚磺酸偶联,以中等至极好的收率得到结构多样化的砜。此外,N-(2-酰基)烯丙基磺酰胺与亚磺酸的反应提供了具有独有的Z选择性的三取代烯丙基砜的便利途径。