Formation of chiral fluoroalkyl products through copper-free enantioselective allylic alkylation catalyzed by an NHC ligand
作者:David Grassi、Hailing Li、Alexandre Alexakis
DOI:10.1039/c2cc36513h
日期:——
A valuable Cu-free protocol is reported where an NHC ligand has been employed to form quaternary carbon centers bearing fluoroalkyl units. The results obtained, from this allylic substitution, are better in terms of enantioselectivity and regioselectivity compared to the copper catalyzed system.
报道了一种有价值的无铜协议,其中使用了NHC配体,以形成带有氟烷基单元的季碳中心。与铜催化的系统相比,通过这种烯丙基取代反应获得的结果在立体选择性和区域选择性方面更优。