The use of new carboranylphosphite ligands in the asymmetric Rh-catalyzed hydrogenation

被引：29
|
作者：
Lyubimov, Sergey E. [1 ]
Kuchurov, Ilya V. [2 ]
Tyutyunov, Andrey A. [1 ]
Petrovskii, Pavel V. [1 ]
Kalinin, Valery N. [1 ]
Zlotin, Sergei G. [2 ]
Davankov, Vadim A. [1 ]
Hey-Hawkins, Evamarie [3 ]
机构：
[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
[2] Russian Acad Sci, ND Zelinskii Organ Chem Inst, Moscow 119991, Russia
[3] Inst Anorgan Chem, D-04103 Leipzig, Germany
来源：
CATALYSIS COMMUNICATIONS | 2010年 / 11卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
Asymmetric hydrogenation; Rhodium; Supercritical carbon dioxide; Carboranylphosphite ligands; SUPERCRITICAL CARBON-DIOXIDE; ALPHA-DEHYDROAMINO ACIDS; ENANTIOSELECTIVE HYDROGENATION; PHOSPHORAMIDITE LIGANDS; OLEFIN-HYDROGENATION; CHIRAL PHOSPHITES; EFFICIENT LIGANDS; COMPLEXES; H-8-MONOPHOS; CARBORANES;
D O I：
10.1016/j.catcom.2009.11.012
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of new monodentate phosphite ligands based on carboranes have been synthesized and used for asymmetric Rh-catalyzed hydrogenation of prochiral olefins in CH(2)Cl(2) with the result of up to 99.5% ee. High reactivities (100% conversion in 45-60 min) and enantioselectivities (up to 92%) were obtained in the hydrogenation of dimethyl itaconate in supercritical CO(2), In this case the catalytic performance is affected greatly by hydrogen and total pressures. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：419 / 421
页数：3
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