Rhodium-Catalyzed Enantioselective Cyclopropanation of Olefins with <i>N</i>-Sulfonyl 1,2,3-Triazoles
作者:Stepan Chuprakov、Sen Wai Kwok、Li Zhang、Lukas Lercher、Valery V. Fokin
DOI:10.1021/ja908075u
日期:2009.12.23
N-Sulfonyl 1,2,3-triazoles readily form rhodium(II) azavinyl carbenes, which react with olefins to produce cyclopropanes with excellent diastereo- and enantioselectivity and in high yield.