Competitive Coordination of 2-[(Diorganylphosphinoyl)-hydroxymethyl)]-1-organylimidazoles with Metal Chlorides
作者:L. V. Baikalova、I. A. Zyryanova、N. N. Chipanina、L. M. Sinegovskaya、N. I. Ivanova、T. V. Mamaseva、N. K. Gusarova、A. V. Afonin、B. V. Trofimov
DOI:10.1007/s11176-005-0198-x
日期:2005.2
The structure of complexes of bivalent cobalt, copper, zinc, cadmium, and palladium chloride and tetravalent tin chlorides with 1-organyl-2- [(diorganylphosphinoyl)hydroxymethyl]imidazoles, synthesized for the first time, was studied by 1H NMR and IR spectroscopy. The formation of two types of metal complexes, molecular (Zn, Cd, Pd, Sn) and chelate (Co, Cu), was established. For crystalline 1 : 1 complexes
通过1 H NMR和IR研究了首次合成的二价钴,铜,锌,镉和钯以及四价氯化锡与1-有机基-2-[((二有机基膦基膦酰基)羟甲基]咪唑的配合物的结构光谱学。建立了两种类型的金属络合物的形成,即分子(Zn,Cd,Pd,Sn)和螯合物(Co,Cu)。对于晶体1:1配合物,具有咪唑基氧化膦的结构起 N 3, O的作用 提出了双齿配体。在2L:1配合物中,这些配体是单齿的,并通过P = O氧原子进行配位。在DMSO溶液中,分子复合物发生解离形成配位化合物,其中根据配体的性质,发生M←N 3或M←O供体-受体键。