SYNTHESIS AND CHARACTERIZATION OF CIS-(2,2'-BIPYRIDINE)(2,2'-BIQUINOLINE)DICHLORORUTHENIUM(II) AND ITS COORDINATION CHEMISTRY WITH IMIDAZOLE DERIVATIVES

被引：23
|
作者：
HEIJDEN, M [1 ]
VANVLIET, PM [1 ]
HAASNOOT, JG [1 ]
REEDIJK, J [1 ]
机构：
[1] LEIDEN UNIV,LEIDEN INST CHEM,GORLAEUS LABS,POB 9502,2300 RA LEIDEN,NETHERLANDS
来源：
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1993年 / 24期
关键词：
D O I：
10.1039/dt9930003675
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reactions of cis-[Ru(bipy)(bquin)Cl2] (bipy = 2,2'-bipyridine, bquin = 2,2'-biquinoline) with several imidazole derivatives have been studied. Substitution of only one chloride ligand takes place exclusively trans to bquin, resulting in the synthesis of cis- [Ru(bipy)(bquin)(L)Cl]PF6 (L = Him, 1-mim or 5-mim; Him = imidazole, 1-mim = 1-methylimidazole, 5-mim = 5-methylimidazole). This substitution preference for imidazoles indicates that bquin has a stronger electronic trans influence than bipy, and that the steric effects of bquin do not appear to obstruct the approach of a substituting ligand. By substitution of the second chloride the compounds cis-[Ru(bipy)(bquin)L2][PF6]2 and cis-[Ru(bipy)(bquin)(1-mim)-(HIM)][PF6]2 were isolated. The properties of the compounds have been studied by H-1 NMR spectroscopy and electrochemistry. The studies show that cis-[Ru(bipy)(bquin)Cl2] incorporates potential covalent binding properties for biomolecules like histidine and DNA.
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页码：3675 / 3679
页数：5
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