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

L. D. Popov; Yu. P. Tupolova; S. A. Borodkin; N. N. Efimov; E. A. Ugolkova; V. V. Lukov; V. A. Chetverikova; I. N. Scherbakov; V. V. Minin

doi:10.1134/S0036023617060183

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

Authors: Popov L.D.¹, Tupolova Y.P.¹, Borodkin S.A.¹, Efimov N.N.², Ugolkova E.A.², Lukov V.V.¹, Chetverikova V.A.¹, Scherbakov I.N.¹, Minin V.V.²
Affiliations:
1. Southern Federal University
2. Kurnakov Institute of General and Inorganic Chemistry
Issue: Vol 62, No 6 (2017)
Pages: 822-826
Section: Physical Methods of Investigation
URL: https://journal-vniispk.ru/0036-0236/article/view/167780
DOI: https://doi.org/10.1134/S0036023617060183
ID: 167780

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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.