A fructose-derived diacetate ketone has been shown to be an effective catalyst for asymmetric epoxidation. 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。