RUTHENIUM(II) COORDINATION TO A MODEL FOR THE TOPASEMIQUINONE COFACTOR OF AMINE OXIDASES - RESOLUTION OF H-1 AND RU-99, RU-101 EPR HYPERFINE-STRUCTURE

被引:37
作者
WALDHOR, E [1 ]
SCHWEDERSKI, B [1 ]
KAIM, W [1 ]
机构
[1] UNIV STUTTGART,INST ANORGAN CHEM,PFAFFENWALDRING 55,D-70550 STUTTGART 80,GERMANY
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2 | 1993年 / 11期
关键词
D O I
10.1039/p29930002109
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The paramagnetic complex (L2-.) Ru(II) (bpy)2, where L2-.= 5-methyl-2-oxido-1,4-benzosemiquinone and bpy = 2,2'-bipyridine, was studied because the quinonoid form LH is a model of the topaquinone (TPQ) cofactor of certain copper-dependent amine oxidases. For the metal complex the potential ortho- and para-quinonoid character of the LH(n) system was probed by high resolution EPR spectroscopy of the semiquinone state which could be obtained through oxidation of the basic catecholate form.
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收藏
页码:2109 / 2111
页数:3
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