Template Synthesis of the Trinuclear Cobalt(III) Complex with Diarylimidazole-Based Ligands: Synthesis and Properties

The trinuclear cobalt(III) complex [(Bipy) 5 Co 3 (L) 2 ](Cl) 3 ( I ) is synthesized by the template reaction of 2,2'-(1 H -imidazole-4,5-diyl)bis(4-ethylphenol) (L) and bis(2,2-bipyridine)cobalt(II) dichloride in the presence of diazabicycloundecene. The complex is isolated in the individual s...

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Bibliographic Details
Published in:Russian journal of coordination chemistry 2023-06, Vol.49 (6), p.363-368
Main Authors: Nikovskii, I. A., Karnaukh, K. M., Aliev, T. M., Polezhaev, A. V., Spiridonov, K. A., Dan’shina, A. A., Nelyubina, Yu. V., Novikov, V. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Cobalt
Complex formation
Dichlorides
Imidazole
Inorganic Chemistry
Oxidation
Physical Chemistry
Valence
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Summary:The trinuclear cobalt(III) complex [(Bipy) 5 Co 3 (L) 2 ](Cl) 3 ( I ) is synthesized by the template reaction of 2,2'-(1 H -imidazole-4,5-diyl)bis(4-ethylphenol) (L) and bis(2,2-bipyridine)cobalt(II) dichloride in the presence of diazabicycloundecene. The complex is isolated in the individual state and characterized by elemental analysis, cyclic voltammetry, UV-VIS spectroscopy, and X-ray diffraction (XRD) (CIF file СCDC no. 2201135). According to the obtained data, the cobalt ions in trinuclear complex I have the oxidation state +3, and the complex formation occurs with the oxidation of the initial cobalt(II) ions.
ISSN:1070-3284
1608-3318
DOI:10.1134/S1070328423700537