Enantioselective Synthesis of Cyclopropanes That Contain Fluorinated Tertiary Stereogenic Carbon Centers: A Chiral α-Fluoro Carbanion Strategy
作者:Xiao Shen、Wei Zhang、Lei Zhang、Tao Luo、Xiaolong Wan、Yucheng Gu、Jinbo Hu
DOI:10.1002/anie.201202451
日期:2012.7.9
Chiral transfer: The fluorinated sulfoximine (see scheme; Ts=p‐toluenesulfonyl) was synthesized and used as the first chiral fluoromethylenation reagent for the synthesis of cyclopropanes that contain fluorinated tertiary stereogenic carbon centers in good yields, good diastereoselectivity, and excellent enantioselectivity.
手性转移:合成了氟代亚砜亚胺(见方案; Ts =对甲苯磺酰基),并用作第一个手性氟代甲基化试剂,用于合成具有氟化叔立体碳中心的环丙烷,具有高收率,良好的非对映选择性和出色的对映选择性。