Transition‐Metal‐Free Synthesis of Enantioenriched Tertiary and Quaternary α‐Chiral Allylsilanes
作者:Rubén Pérez Sevillano、Franck Ferreira、Olivier Jackowski
DOI:10.1002/chem.202302227
日期:2023.10.23
Enantioenriched tertiary and quaternary α-chiral allylsilanes have been obtained by metal-free asymmetric allylic alkylation of γ-substituted primary allylic bromides with primary alkyl Grignard reagents activated by a chiral Alexakis-type NHC ligand.
对映体富集的叔和季α-手性烯丙基硅烷是通过手性Alexakis型NHC配体活化的伯烷基格氏试剂对γ-取代的伯烯丙基溴化物进行无金属不对称烯丙基烷基化而获得的。