Ring-Opening 1,3-Carbothiolation of Donor–Acceptor Cyclopropanes Using Alkyl Halides and In Situ Generated Dithiocarbamates
作者:Avishek Guin、Shiksha Deswal、Akkattu T. Biju
DOI:10.1021/acs.joc.2c00447
日期:2022.5.6
Two-step, ring-opening 1,3-carbothiolation of donor–acceptor (D–A) cyclopropanes employing alkyl halides and in situ generated dithiocarbamates (from amines and CS2) has been demonstrated under mild conditions. The reaction is operationally simple and works with good functional group compatibility. Three new bonds including C–N, C–S, and C–C are formed in this 1,3-bifunctionalization strategy. Electron-poor
已在温和条件下证明了使用卤代烷和原位生成的二硫代氨基甲酸盐(来自胺和 CS 2 )对供体-受体 (D-A) 环丙烷进行两步开环 1,3-硫硫醇化。该反应操作简单,官能团相容性好。在这种1,3-双功能化策略中形成了三个新键,包括C-N、C-S和C-C。贫电子烯烃也可以代替烷基卤用作亲电子试剂。使用对映体纯的 D-A 环丙烷得到对映体纯的 1,3-硫醇化产物,从而证明了反应的立体特异性。