Synthesis and structural characterisation of the palladium N-heterocyclic carbene cluster complexes [Pd3(μ-CO)3(NHC)3] and [Pd3(μ-SO2)3(NHC)3]

被引：15
|
作者：
Ellul, Charles E. [1 ]
Mahon, Mary F. [1 ]
Whittlesey, Michael K. [1 ]
机构：
[1] Univ Bath, Dept Chem, Bath BA2 7AY, Avon, England
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2010年 / 695卷 / 01期
关键词：
N-heterocyclic carbenes; Palladium complexes; Cluster chemistry; ELECTRON-RICH OLEFIN; X-RAY STRUCTURE; MOLECULAR-STRUCTURE; METHYL-GROUP; C-H; TRIANGULO-CLUSTERS; CARBONYL CLUSTERS; REACTIVITY; LIGANDS; COORDINATION;
D O I：
10.1016/j.jorganchem.2009.09.018
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reduction of trans-[Pd(NHC)(2)Cl-2] (NHC = IMes, 1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene; (IPr2)-Pr-i = 1,3-bis-isopropylimidazol-2-ylidene) with potassium graphite under an atmosphere of CO affords the palladium NHC carbonyl clusters [Pd-3(mu-CO)(3)(NHC)(3)] (NHC = IMes, 1; (IPr2)-Pr-i, 3). Treatment of 1 with SO2 at room temperature yields the bridging SO2 complex [Pd-3(mu-SO2)(3)(IMes)(3)] (4) in quantitative yield. Complexes 1, 3 and 4 have been structurally characterised by X-ray crystallography. (C) 2009 Elsevier B. V. All rights reserved.
引用
收藏
页码：6 / 10
页数：5
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