SYNTHESIS AND CHARACTERIZATION OF IRON(III) AND IRON(IV) COMPLEXES OF N-(2-HYDROXYPHENYL)SALICYLAMIDE AND HOMOLOGS

被引：17
|
作者：
KOIKAWA, M
OKAWA, H
MAEDA, Y
KIDA, S
机构：
[1] Department of Chemistry, Faculty of science, Kyushu University, Higashiku, Fukuoka, 812, Hakozaki
来源：
INORGANICA CHIMICA ACTA | 1992年 / 194卷 / 01期
关键词：
D O I：
10.1016/S0020-1693(00)85825-9
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The complexation of tridentate trianionic chelating ligands, N-(2-hydroxyphenyl)salicylamide (H3L1) and its homologs with a substituent on the 2-hydroxyphenyl moiety (5-CH3, H3L2; 5-Cl, H3L3), toward iron ion has been studied. The ligand H3L1 formed a high-spin iron(III) complex K3[Fe(L1)2] when treated with FeCl3 in an alkaline solution under open atmosphere. This complex was oxidized with Ce(IV) to a high-spin iron(IV) complex (NPr4)2[Fe(L1)2]. The ligand H3L2 formed a low-spin iron(IV) complex K2[Fe(L2)2] under open atmosphere, whereas the ligand H3L3 gave a high-spin iron(III) complex (PBu4)3[Fe(L3)2]. The complexes were characterized by means of cyclic voltammetry, electronic spectra and Mossbauer spectra.
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页码：75 / 79
页数：5
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