Access to chiral tertiary amines via the iridium-catalyzed asymmetric hydrogenation of enamines

被引:35
作者
Cheruku, Pradeep [1 ]
Church, Tamara L. [1 ]
Trifonova, Anna [1 ]
Wartmann, Thomas [1 ]
Andersson, Pher G. [1 ]
机构
[1] Uppsala Univ, Dept Biochem & Organ Chem, S-75123 Uppsala, Sweden
基金
瑞典研究理事会;
关键词
Asymmetric catalysis; Hydrogenation; Enamines; Chiral tertiary amines;
D O I
10.1016/j.tetlet.2008.10.035
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The asymmetric hydrogenation of N,N-dialkyl and N-alkyl-N-aryl enamines to chiral tertiary amines was studied. All the N,P-ligated iridium complexes investigated were active catalysts for the reaction, but only those with bicycle-supported oxazoline-phosphine ligands gave reasonable stereoinduction. The best catalyst produced a range of chiral tertiary amines in up to 87% ee. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:7290 / 7293
页数:4
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