Synthesis and single-crystal X-ray diffraction studies of new cyclometallated phenylimidazole palladium(II) compounds

被引：0

作者：

Lousame, M

Fernández, A

López-Torres, M

Vázquez-García, D

Vila, JM ^{[1
]}

Suárez, A

Ortigueira, JM

Fernández, JJ

机构：

[1] Univ Santiago Compostela, Dept Quim Inorgan, E-15706 Santiago, Spain

[2] Univ A Coruna, Dept Quim Fundamental, E-15071 La Coruna, Spain

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2000年 / 09期

关键词：

C-H activation; nitrogen heterocycles; P ligands; palladium;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Cyclometallation of 1,4,5-trimethyl-2-phenylimidazole, L, with Pd(OAc)(2) gave exclusively the dinuclear anti isomer with bridging acetate ligands, 1. Subsequent treatment of 1 with sodium chloride gave the corresponding dinuclear compound with bridging chloride ligands, 2. Treatment of 2 with mono or diphosphanes led to partial or total bridge-splitting reactions, yielding mono or polynuclear compounds, 3-9, depending on the palladium/phosphane ratio and the nature of the phosphane. The structure of 7 has been determined by X-ray diffraction analysis. Compounds 1 and 2 react with triphos to give the mononuclear compound, 10, in which the phosphane acts as a terdentate ligand. The crystal structure of 10 confirms the pentacoordination of the palladium(II) centre, involving a long Pd-N interaction.

引用

页码：2055 / 2062

页数：8

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