A new proline catalyst, namely （N＇-benzyl-N＇-D-prolyl）-trans-4-hydroxy-L-proline hydrazide, has been prepared and proved to be a superior catalyst for the asymmetric aldol reaction of cyclohexanone and aromatic al...A new proline catalyst, namely （N＇-benzyl-N＇-D-prolyl）-trans-4-hydroxy-L-proline hydrazide, has been prepared and proved to be a superior catalyst for the asymmetric aldol reaction of cyclohexanone and aromatic aldehydes, affording up to 98 ： 2 dr and 98% ee.展开更多
文摘A new proline catalyst, namely （N＇-benzyl-N＇-D-prolyl）-trans-4-hydroxy-L-proline hydrazide, has been prepared and proved to be a superior catalyst for the asymmetric aldol reaction of cyclohexanone and aromatic aldehydes, affording up to 98 ： 2 dr and 98% ee.
