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Synthesis, structure, and catalase-like activity of a novel manganese(II) complex: Dichloro[ 1,3-bis(2′-benzimidazolylimino)isoindoline]manganese(II)

被引：41
|
作者：
Kaizer, Jozsef [1 ]
Kripli, Balazs [1 ]
Speier, Gabor [1 ]
Parkanyi, Laszlo [2 ]
机构：
[1] Univ Pannonia, Dept Chem, H-8200 Veszprem, Hungary
[2] Hungarian Acad Sci, Inst Struct Res, Chem Res Ctr, H-1525 Budapest, Hungary
来源：
POLYHEDRON | 2009年 / 28卷 / 05期
关键词：
Manganese; Isoindoline; Benzimidazole; Crystal structure; Catalase-like activity; CRYSTAL-STRUCTURE; LACTOBACILLUS-PLANTARUM; MOLECULAR-STRUCTURE; LIGANDS; PSEUDOCATALASE; OXYGENATION; RELEVANCE; MIMICS;
D O I：
10.1016/j.poly.2009.01.008
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reaction of the ligand 1,3-bis(2'-benzimidazolylimino)isoindoline with manganese(II) chloride in acetonitrile/methanol leads to the novel mononuclear manganese(II) complex 1,3-bis(2'-benzimidazolylimino)isoindolinedichloro manganese(II) [Mn(bimindH)Cl-2], which has been characterized by various techniques such as elemental analysis, IR, UV-Vis, ESR spectroscopy. and X-ray diffraction. The ligand bimindH was synthesized by fusing phthalonitrile and 2-aminobenzimidazole at high temperature until ammonia evolution ceased. The catalase-like activity of the complex was tested in propionitrile, and it proved to be active in the dihydrogen peroxide dismutation. Based on kinetic studies the reaction is first-order in relation to both the complex and hydrogen peroxide. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：933 / 936
页数：4
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