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EPR spectral study of copper(II) chelates with hetarylhydrazones of glyoxylic acid


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Abstract

Structure of copper(II) chelates based on glyoxylic hetarylhydrazones containing benzazole (quinoxaline and phthalazine) fragments have been studied by EPR spectroscopy. Spectral parameters in polycrystalline state and dimethylformamide solutions have been determined. Spectral parameters of benzimidazole derivative are typical for square planar structure of the chelate node, while phthalazine derivative displays formation of polymeric structures due to reduction of copper(II) atom.

About the authors

L. D. Popov

Southern Federal University

Email: minin@igic.ras.ru
Russian Federation, Rostov-na-Donu, 344006

Yu. P. Tupolova

Southern Federal University

Email: minin@igic.ras.ru
Russian Federation, Rostov-na-Donu, 344006

S. A. Borodkin

Southern Federal University

Email: minin@igic.ras.ru
Russian Federation, Rostov-na-Donu, 344006

N. N. Efimov

Kurnakov Institute of General and Inorganic Chemistry

Email: minin@igic.ras.ru
Russian Federation, Moscow, 119991

E. A. Ugolkova

Kurnakov Institute of General and Inorganic Chemistry

Email: minin@igic.ras.ru
Russian Federation, Moscow, 119991

V. V. Lukov

Southern Federal University

Email: minin@igic.ras.ru
Russian Federation, Rostov-na-Donu, 344006

V. A. Chetverikova

Southern Federal University

Email: minin@igic.ras.ru
Russian Federation, Rostov-na-Donu, 344006

I. N. Scherbakov

Southern Federal University

Email: minin@igic.ras.ru
Russian Federation, Rostov-na-Donu, 344006

V. V. Minin

Kurnakov Institute of General and Inorganic Chemistry

Author for correspondence.
Email: minin@igic.ras.ru
Russian Federation, Moscow, 119991

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