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

I. A. Nikovskii; Никовский И. А.; K. M. Karnaukh; Карнаух К. М.; T. M. Aliev; Алиев Т. М.; A. V.  Polezhaev; Полежаев А. В.; K. A. Spiridonov; Спиридонов К. А.; A. A. Dan’shina; Даньшина А. А.; Yu. V. Nelyubina; Нелюбина Ю. В.; V. V. Novikov; Новиков В. В.

doi:10.31857/S0132344X23700238

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

Authors: Nikovskii I.A.¹^,2, Karnaukh K.M.³, Aliev T.M.¹, Polezhaev A.V.¹^,2, Spiridonov K.A.¹^,4, Dan’shina A.A.¹^,5, Nelyubina Y.V.¹^,2, Novikov V.V.¹^,2
Affiliations:
1. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
2. Bauman State Technical University, Moscow, Russia
3. University of California, 93106, Santa Barbara, California, USA
4. Moscow State University, Moscow, Russia
5. Moscow Institute of Physics and Technology (National Research University), Dolgoprudnyi, Moscow oblast, Russia
Issue: Vol 49, No 6 (2023)
Pages: 360-366
Section: Articles
URL: https://journals.rcsi.science/0132-344X/article/view/137290
DOI: https://doi.org/10.31857/S0132344X23700238
EDN: https://elibrary.ru/POVWLR
ID: 137290

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Abstract
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Abstract

The trinuclear cobalt(III) complex [(Bipy)5Co3(L)2](Cl)3 (I) is synthesized by the template reaction of 2,2'-(1H-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.

Keywords

polynuclear cobalt complexes, redox-active ligands, XRD, cyclic voltammetry, UV-VIS spectroscopy

References

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