Asymmetric conjugate addition reactions of Meldrum's acid derived acceptors employing chiral phosphoramidite ligands

被引:59
作者
Watanabe, T [1 ]
Knöpfel, TF [1 ]
Carreira, EM [1 ]
机构
[1] ETH Honggerberg, Organ Chem Lab, CH-8093 Zurich, Switzerland
关键词
D O I
10.1021/ol035575q
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The enantioselective conjugate addition reaction of Et2Zn to Meldrum's acid derived acceptors, mediated by a catalyst formed from Cu(O2CCF3)(2) and a phosphoramidite ligand, is reported. Adducts are obtained in useful yields and up to 94% ee.
引用
收藏
页码:4557 / 4558
页数:2
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