Synthesis of new NHC-rhodium and iridium complexes derived from 2,2′-diaminobiphenyl and their catalytic activities toward hydrosilylation of ketones

被引：52
|
作者：
Chen, Tao
Liu, Xu-Guang
Shi, Min
机构：
[1] E China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China
来源：
TETRAHEDRON | 2007年 / 63卷 / 23期
基金：
中国国家自然科学基金;
关键词：
N-heterocyclic carbene complexes; rhodium; iridium; 2,2'-di-aminobiphenyl; hydrosilylation; ketones;
D O I：
10.1016/j.tet.2007.03.150
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Four new N-heterocyclic carbene (NHC)-rhodium and iridium complexes derived from 2,2 '-diaminobiphenyl have been successfully synthesized and their structures have been unambiguously characterized by X-ray diffraction. Their catalytic activities for hydrosilylation of ketones with diphenylsilane were investigated. It was found that NHC-rhodium complex (6) is the best one among the four catalysts for the reduction of ketones. (c) 2007 Elsevier Ltd. All rights reserved.
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页码：4874 / 4880
页数：7
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