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 Michaeladdition of various ketones to maleimidescatalyzed 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%).