Synthesis, Structure, and Peroxidase Activity of an Octahedral Ru(III) Complex with a Tripodal Tetraamine Ligand

A new octahedral Ru(III) complex with a tripodal tetraamine ligand, tpea = tris[2-(1-pyrazoyl)ethyl]amine, has been prepared and characterized. The single crystal X-ray crystallographic study of the complex revealed that the complex has a near octahedral geometry with the tetradentate ligand and two...

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Bibliographic Details
Published in:Bulletin of the Korean Chemical Society 2011, 32(11), , pp.3904-3908
Main Authors: Cho, Jang-Hoon, Kim, Kwan-Mook, Noh, Dong-Youn, Lee, Hong-In
Format: Article
Language:English
Subjects:
화학
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Summary:A new octahedral Ru(III) complex with a tripodal tetraamine ligand, tpea = tris[2-(1-pyrazoyl)ethyl]amine, has been prepared and characterized. The single crystal X-ray crystallographic study of the complex revealed that the complex has a near octahedral geometry with the tetradentate ligand and two chloride ions. Peroxidase activity was examined by observing the oxidation of 2,2'-azinobis(3-ethylbenzothiazoline)-6-sulfonic acid (ABTS) with hydrogen peroxide in the presence of the complex. Amount of ABTS^(+•) generated during the reaction was monitored by UV/VIS and EPR spectroscopies. After the initiation of the peroxidase reaction,ABTS^(+•) concentration increases and then decreases after certain time, indicating that both ABTS and ABTS+•are the substrates of the peroxidase activity of the Ru(III) complex. KCI Citation Count: 5
ISSN:0253-2964
1229-5949
DOI:10.5012/bkcs.2011.32.11.3904