STRONG RADICAL CHARACTER OF THE CATECHOLATE LIGAND OF CATECHOLATO(PYRIDINE)IRON COMPLEXES INVOLVED IN THE CATECHOLDIOXYGENASE-MODEL REACTION

被引：13

作者：

FUNABIKI, T ^{[1
]}

KOJIMA, H ^{[1
]}

KANEKO, M ^{[1
]}

INOUE, T ^{[1
]}

YOSHIOKA, T ^{[1
]}

TANAKA, T ^{[1
]}

YOSHIDA, S ^{[1
]}

机构：

[1] KYOTO UNIV, FAC ENGN, DIV MOLEC ENGN, KYOTO 606, JAPAN

来源：

CHEMISTRY LETTERS | 1991年 / 12期

关键词：

D O I：

10.1246/cl.1991.2143

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Five-coordinated catecholato(pyridine)iron complexes were isolated from the THF solution of the iron complex used for the catecholdioxygenase model reaction. Formation and structure of species with a catecholate ligand having a strong radical character in the pyridine solution were shown spectroscopically, especially by the large down-field shift of the methyl resonance of 4-methylcatecholate complex in H-2 NMR and by the large band at > 1000 nm in electronic spectra. Effect of Et4NCl on the spectra indicated that the complexes are in equilibrium with the chloride-pyridine ligand exchange.

引用

页码：2143 / 2146

页数：4

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