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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Different coordination modes of 2-(diphenylphosphino)azobenzenes in complexation with hard and soft metals
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Different coordination modes of 2-(diphenylphosphino)azobenzenes in complexation with hard and soft metals

机译:2-(二苯基膦基)偶氮苯与硬金属和软金属络合的不同配位模式

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摘要

Control of coordination modes of a ligand in metal complexes is significant because the coordination modes influence catalytic properties of transition metal catalysts. Reactions of 2-diphenyl-phosphinoazobenzenes, which are in equilibrium with the inner phosphonium salts, with ZnC1_2, W(CO)_5(THF), and PtCl_2(cod) gave three different coordination types of metal complexes with distinctive UV-vis absorptions. All the complexes were characterized by X-ray crystallographic analyses. In the zinc and tungsten complexes, the source molecule functions as an amide ligand and a phosphine ligand, respectively. In the platinum complex, the phosphorus molecule works as a tridentate ligand with formation of a carbon-platinum bond.
机译:控制金属络合物中配体的配位模式非常重要,因为配位模式会影响过渡金属催化剂的催化性能。与内部phospho盐平衡的2-二苯基膦基偶氮苯与ZnC1_2,W(CO)_5(THF)和PtCl_2(cod)的反应产生了三种不同的配位类型的金属配合物,具有独特的UV-vis吸收。所有配合物均通过X射线晶体学分析表征。在锌和钨配合物中,源分子分别充当酰胺配体和膦配体。在铂络合物中,磷分子充当三齿配体,并形成碳-铂键。

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