Cobalt-Catalyzed Asymmetric 1,6-Addition of (Triisopropylsilyl)-acetylene to α,β,γ,δ-Unsaturated Carbonyl Compounds
作者:Takahiro Sawano、Akram Ashouri、Takahiro Nishimura、Tamio Hayashi
DOI:10.1021/ja309756k
日期:2012.11.21
Asymmetric addition of (triisopropylsilyl)acetylene to α,β,γ,δ-unsaturated carbonyl compounds took place in the presence of a cobalt/Duphos catalyst to give the 1,6-addition products in high yields with high regio- and enantioselectivity.
(三异丙基甲硅烷基)乙炔与 α,β,γ,δ-不饱和羰基化合物的不对称加成在钴/Duphos 催化剂存在下发生,以高产率和高区域选择性和对映选择性得到 1,6-加成产物。