A Diacetate Ketone-Catalyzed Asymmetric Epoxidation of Olefins
作者:Bin Wang、Xin-Yan Wu、O. Andrea Wong、Brian Nettles、Mei-Xin Zhao、Dajun Chen、Yian Shi
DOI:10.1021/jo900330n
日期:2009.5.15
A fructose-derived diacetate ketone has been shown to be an effective catalyst for asymmetricepoxidation. High ee values have been obtained for a variety of trans and trisubstituted olefins including electron-deficient α,β-unsaturated esters as well as certain cis olefins.
果糖衍生的二乙酸酮已被证明是不对称环氧化的有效催化剂。各种反式和三取代烯烃(包括缺电子 α,β-不饱和酯以及某些顺式烯烃)都获得了高 ee 值。