New unsymmetrical hybrid ferrocenylphosphine-phosphoramidite ligands derived from H8-BINOL for highly efficient Rh-catalyzed enantioselective hydrogenation

被引：42
|
作者：
Zeng, QH
Hu, XP
Duan, ZC
Liang, XM
Zheng, Z [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
TETRAHEDRON-ASYMMETRY | 2005年 / 16卷 / 06期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.tetasy.2005.02.003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A series of new H-8-BINOL-derived unsymmetrical hybrid ferrocenylphosphine-phosphoramidite ligands have been synthesized and successfully used in Rh-catalyzed asymmetric hydrogenations. The same or higher enantioselectivities (99.9% ee) were achieved in the hydrogenation of dimethyl itaconate and alpha-dehydroamino acid esters as those obtained with BINOL-derived analogues. However, slightly lower enantioselectivities (99.0% ee) were obtained in the hydrogenation of enamides. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1233 / 1238
页数：6
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