Asymmetric Aldol Reaction of α,α-Disubstituted Acetaldehydes Catalyzed by Diphenylprolinol Silyl Ether for the Construction of Quaternary Stereogenic Centers
作者:Yujiro Hayashi、Hiroki Shomura、Qianqian Xu、Martin J. Lear、Itaru Sato
DOI:10.1002/ejoc.201500585
日期:2015.7
The asymmetric cross-aldol reaction of α,α-disubstituted acetaldehydes with commercial ethyl glyoxylate polymer was successfully catalyzed by diphenylprolinolsilylether 3 to generate all-carbonquaternarystereogeniccenters with good enantioselectivity.