REACTION OF 3,5-DI-TERT-BUTYL-ORTHO-BENZOQUINONE ON CO(II)M(III) (M = Y, LA) HETERODINUCLEAR CENTERS - THE FORMATION AND ESR-SPECTRA OF CO(III)M(III) SEMIQUINONE ADDUCTS

被引：4

作者：

ARATAKE, Y ^{[1
]}

KOIKAWA, M ^{[1
]}

OKAWA, H ^{[1
]}

KIDA, S ^{[1
]}

机构：

[1] KYUSHU UNIV,FAC SCI,DEPT CHEM,HAKOZAKI 6-10-1,HIGASHI KU,FUKUOKA 812,JAPAN

来源：

INORGANICA CHIMICA ACTA | 1991年 / 190卷 / 01期

关键词：

D O I：

10.1016/S0020-1693(00)80235-2

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reactions of 3,5-di-t-butyl-o-benzoquinone (DBQ) with the Co(II)M(III) (M-Y, La) complexes of N,N'-bis(3-carboxysalicylidone)ethylenediamine have been studied in dmf solutions by means of ESR spectroscopy. The ESR spectral study has shown that DBQ oxidizes the Co(II) ion of the Co(II)M(III) complexes to afford a Co(III)M(III)-DBSQ species (DBSQ = semiquinone form of DBQ) but the DBSQ is bound to the M(III) ion but not to the Co(III). The reaction of the mononuclear cobalt(II) complex [Co(H2L)] with DBQ afforded [Co(II)2I.)(DBSQ)] where DBSQ coordinates to the cobalt(III) ion as a bidentate chelate.

引用

页码：85 / 88

页数：4

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