Enantioselective Michael addition of ketones to maleimides catalyzed by bifunctional monosulfonyl DPEN salt
作者:Feng Yu、Xiaomin Sun、Zhichao Jin、Shigang Wen、Xinmiao Liang、Jinxing Ye
DOI:10.1039/c0cc00774a
日期:——
An unprecedented enantioselective Michael addition of various ketones to maleimides catalyzed by a simple bifunctional primary amine, monosulfonyl DPEN salt, is reported and provides the desired adducts in good to excellent yields (up to 99%) with excellent enantioselectivities (up to 99%).
据报道,由简单的双官能伯胺单磺酰基DPEN盐催化的各种酮向马来酰亚胺的对映体选择性迈克尔加成反应是前所未有的,并以良好的对等收率(高达99%)和优异的对映选择性(高达99%)提供了所需的加合物。