Synthesis, structure, and catalytic activity of palladium(II) complexes of new CNC pincer-type N-heterocyclic carbene ligands

被引：87
|
作者：
Wei, Wei [1 ]
Qin, Yuancheng [1 ]
Luo, Meiming [1 ]
Xia, Pingfang [2 ]
Wong, Man Shing [2 ]
机构：
[1] Sichuan Univ, Coll Chem, Minist Educ, Key Lab Green Chem & Technol, Chengdu 610064, Peoples R China
[2] Hong Kong Baptist Univ, Dept Chem, Kowloon Tong, Hong Kong, Peoples R China
来源：
ORGANOMETALLICS | 2008年 / 27卷 / 10期
关键词：
D O I：
10.1021/om800007s
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
New CNC pincer-type N-heterocyclic carbene ligands with a central diarylamido moiety are presented. Palladium(II) pincer complexes of type [Pd(L)Cl] (L = bis[2-(3-alkylimidazolin-2-yliden-1-yl)-4-methylphenyl]amido) 5a-c (5a, alkyl = benzyl; 5b, alkyl = n-butyl; 5c, alkyl = 2,4,6-trimethylbenzyl) were obtained from the corresponding silver carbene complexes and [PdCl2(MeCN)(2)] without addition of external bases. The palladium pincer complex 5a was characterized by X-ray diffraction. The molecular structure of 5a shows a distorted square-planar coordination geometry for the palladium atom. Pincer complexes 5a-c have been shown to be active catalysts for the Suzuki-Miyaura reactions.
引用
收藏
页码：2268 / 2272
页数：5
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