RU(6,6'-DIAMINO-2,2'-BIPYRIDINE)3(2+) - EFFECT OF INTERLIGAND STERIC STRAIN ON THE SPECTROSCOPIC, PHOTOCHEMICAL, AND ELECTROCHEMICAL PROPERTIES OF THE COMPLEXES

被引：9

作者：

ARAKI, K

FUSE, M

KISHII, N

SHIRAISHI, S

机构：

来源：

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 1992年 / 65卷 / 05期

关键词：

D O I：

10.1246/bcsj.65.1220

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Spectroscopic, photocehmical, and electrochemical properties of a series of the Ru(II) complexes 1-4, Ru(dabp)3-n(bpy)n(BF4)2 (n = 0, 1, 2, and 3, respectively, dabp = 6,6'-diamino-2,2'-bipyridine, and bpy = 2,2'-bipyridine) having different degree of interligand steric strain caused by amino substituents of dabp were studied. Their metal-to-ligand charge transfer bands and oxidation-reduction potentials of a Ru(II)/Ru(III) couple were not so much different from each other. Though the complex 3 showed weak emission at around 630 nm (phi = 6 x 10(-4)), no emission of light was observed for the complexes 1 and 2. These properties and photoanation of the complexes 1 and 3 were discussed in terms of the steric and electronic effects of the amino substituents.

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页码：1220 / 1224

页数：5

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