Wang Bin, Wu Xin-Yan, Wong O Andrea, Nettles Brian, Zhao Mei-Xin, Chen Dajun, Shi Yian
Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, USA.
J Org Chem. 2009 May 15;74(10):3986-9. doi: 10.1021/jo900330n.
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 alpha,beta-unsaturated esters as well as certain cis olefins.
一种果糖衍生的二乙酸酮已被证明是一种有效的不对称环氧化催化剂。对于各种反式和三取代烯烃,包括缺电子的α,β-不饱和酯以及某些顺式烯烃,都获得了高对映体过量(ee)值。