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学科主题: 金属有机化学
题名: Complete chiral induction from enantiopure 1,2-diamines to benzophenone-based achiral bisphosphane ligands in noyori-type Ru-II catalysts benzophenone; bisphosphane; ruthenium
其他题名: Noyori-型Ru-II催化剂中对映体纯的1,2-二胺对含二苯甲酮骨架的非手性双膦配体的完全手性诱导
作者: Jing Q(荆庆) ; Christian A. Sandoval ; Wang Z(王正) ; Ding KL(丁奎岭)
通讯作者: 丁奎岭
刊名: Eur. J. Org. Chem.
发表日期: 2006-01-01
期: 16, 页:3606-3616
收录类别: SCI
部门归属: 中科院上海有机化学研究所金属有机化学国家重点实验室
英文摘要: We report the design and synthesis of a novel class of Run catalysts (3) composed of achiral benzophenone-based bisphosphane ligands and enantiopure 1,2-diamines for the asymmetric hydrogenation of aryl ketones. The developed catalysts show excellent enantioselectivities (up to 97 % ee) and activities (up to S/C = 10,000) in the hydrogenation of a variety of aromatic ketones. Complete chiral induction from the enantiopure 1,2-diamine to the achiral bisphosphane ligand was observed. The coordination of the C=O moiety in 3 to the cationic Run center is considered to be of key importance in providing a higher thermodynamic and kinetic rotation barrier for the flexible bisphosphane ligand, resulting in the preferential formation of only one diastereomer, and thus explaining the high enantioselectivity of the catalyst. (c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006.
语种: 英语
相关网址: 查看原文
内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/17813
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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Recommended Citation:
Jing Q,Christian A. Sandoval,Wang Z,et al. Complete chiral induction from enantiopure 1,2-diamines to benzophenone-based achiral bisphosphane ligands in noyori-type Ru-II catalysts benzophenone; bisphosphane; ruthenium[J]. Eur. J. Org. Chem.,2006(16):3606-3616.
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