The Role of Free N-Heterocyclic Carbene (NHC) in the Catalytic Dehydrogenation of Ammonia-Borane in the Nickel NHC System

被引：104
|
作者：
Zimmerman, Paul M. [1 ]
Paul, Ankan [1 ]
Zhang, Zhiyong [1 ]
Musgrave, Charles B. [1 ]
机构：
[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2009年 / 48卷 / 12期
关键词：
ammonia; borane; density functional calculations; homogeneous catalysis; N-heterocyclic carbenes; THERMAL-DECOMPOSITION; HYDROGEN; NMR; HYDROLYSIS; RELEASE;
D O I：
10.1002/anie.200803211
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Chemical Equation Presented) Enders' N-heterocyclic carbene (NHC) dehydrogenates ammonia-borane with a relatively low barrier, producing NH 2BH2 and NHC-(H)2. The nickel NHC catalyst present in the reaction media can activate the NHC-(H)2 produced to regenerate the free NHC and release H2. The release of free NHC enables further dehydrogenation of ammonia-borane. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：2201 / 2205
页数：5
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