Copper-catalyzed asymmetric Michael reactions with a-amino acid amides: Synthesis of an optically active piperidine derivative

被引:0
|
作者
Christoffers, J [1 ]
Scharl, H [1 ]
机构
[1] Univ Stuttgart, Inst Organ Chem, D-70569 Stuttgart, Germany
关键词
asymmetric synthesis; catalysis; C-C coupling; copper; Michael additions;
D O I
暂无
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Quaternary stereocenters are obtained at room temperature in copper-catalyzed asymmetric Michael reactions with alpha-amino acid amides as chiral auxiliaries. L-Valine diethylamide was applied as a chiral auxiliary, and an optically active piperidine derivative was prepared with 97% ee. The optical purity of the product was established by GLC after cyclization to a hexahydroisoquinolonecarboxylate. ((C) Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002).
引用
收藏
页码:1505 / 1508
页数:4
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