Stereoselective Preparation of (<i>Z</i>)-γ-Silyl-γ,δ-Unsaturated Ketones and their Application in the Synthesis of 1,4-Diketones
作者:Xian Huang、Weixin Zheng
DOI:10.1055/s-2002-35624
日期:——
Hydrozirconation reaction of alkynylsilanes I followed by Michael addition to α,β-unsaturated ketones in the presence of CuBr.Me 2 S complex produced (Z)-γ-silyl-γ,δ-unsaturated ketones 3 stereoselectively. 1,4-Diketones were prepared via epoxidation and hydrolysis of 3.
在 CuBr.Me 2 S 配合物的存在下,炔基硅烷 I 与 α,β-不饱和酮发生迈克尔加成反应后,产生立体选择性的 (Z)-γ-甲硅烷基-γ,δ-不饱和酮 3。1,4-二酮通过3的环氧化和水解制备。