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

页码：2268 / 2272

页数：5

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