Chiral silicon in asymmetric synthesis. Addition of organometallic reagents to a silyl thione chiral at silicon
作者:Bianca F. Bonini、Gaetano Maccagnani、Stefano Masiero、Germana Mazzanti、Paolo Zani
DOI:10.1016/s0040-4039(00)99096-8
日期:1989.1
The reaction of R-(-)-methyl-α-naphtyl-phenylsilyl phenyl thioketone 1 with organolithium derivatives and Grignard reagents gives the α-silylsulphides 3 with medium to good levels of asymmetric induction. The asymmetry induced at the α-carbon is retained in the subsequent desilylation.