Structural variations in nickel, palladium, and platinum complexes containing pyrimidyl N-heterocyclic carbene ligand

被引：49
作者：
Chen, Chao [1 ]
Qiu, Huayu [1 ]
Chen, Wanzhi [2 ]
Wang, Daqi [3 ]
机构：
[1] Hangzhou Normal Univ, Minist Educ, Key Lab Organosilicon Chem & Mat Technol, Hangzhou 310012, Zhejiang, Peoples R China
[2] Zhejiang Univ, Dept Chem, Hangzhou 310028, Peoples R China
[3] Liaocheng Univ, Dept Chem, Liaocheng 252059, Peoples R China
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2008年 / 693卷 / 20期
关键词：
nickel; palladium; platinium; N-heterocyclic carbene; paramagnetic;
D O I：
10.1016/j.jorganchem.2008.07.026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Nickel(II), palladium(II), and platinum(II) complexes of 2-(3-mesitylimidazolylidenyl) pyrimidine (L), [Ni-2(mu-Cl)(2)(L)(4)][Ag2Cl4] (3), [Ni-2(mu-I)(2)(L)(4)][NiI(L)(2)(CH3CN)](2)[Ag4I8] (4), [PdCl2(L)] (5), [PdI2(L)] (6), and [PtCl(L)(2)][AgCl2] (7) have been obtained from the carbene transfer reactions of [Ag(L) Cl] (2). These complexes have been fully characterized by spectroscopic methods and single-crystal X-ray structure analyses. The mono(carbene) palladium and bis(carbene) platinum complexes display normal square -planar structures. Nickel complexes 3 and 4 are rare examples of paramagnetic nickel(II) complexes of N-heterocyclic carbenes having octahedral geometry. (C) 2008 Elsevier B. V. All rights reserved.
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页码：3273 / 3280
页数：8
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