Email this article Zinc(II) Chelate Complexes with Redox-Active o-Indophenols: Synthesis and Structure
- Authors: Ivakhnenko E.P.1, Vitkovskaya Y.G.1, Lysenko K.A.2, Kislitsyn S.E.1, Starikov A.G.1, Knyazev P.A.1, Tereshchenko A.A.3, Minkin V.I.1
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Affiliations:
- Institute of Physical and Inorganic Chemistry, Southern Federal University
- Moscow State University
- International Institute for Smart Materials, Southern Federal University
- Issue: Vol 68, No 9 (2023)
- Pages: 1181-1191
- Section: КООРДИНАЦИОННЫЕ СОЕДИНЕНИЯ
- URL: https://journals.rcsi.science/0044-457X/article/view/136472
- DOI: https://doi.org/10.31857/S0044457X23600640
- EDN: https://elibrary.ru/YCYULF
- ID: 136472
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Abstract
Zinc(II) complexes 2, 3, and 5 with redox-amphoteric o-indophenol ligands were prepared. The molecular structures of tetracoordinate complex 2 and hexacoordinate complex 3 were determined by single-crystal X-ray diffraction. The antioxidant properties of indophenols and their complexes were studied by cyclic voltammetry (CVA) and EPR spectroscopy. Complexation of indophenols increases the oxidation potentials by more than 0.84 V and leads to the formation of stable metal-containing radicals.
About the authors
E. P. Ivakhnenko
Institute of Physical and Inorganic Chemistry, Southern Federal University
Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia
Yu. G. Vitkovskaya
Institute of Physical and Inorganic Chemistry, Southern Federal University
Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia
K. A. Lysenko
Moscow State University
Email: ivakhnenko@sfedu.ru
119991, Moscow, Russia
S. E. Kislitsyn
Institute of Physical and Inorganic Chemistry, Southern Federal University
Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia
A. G. Starikov
Institute of Physical and Inorganic Chemistry, Southern Federal University
Email: ivakhnenko@sfedu.ru
344090, Rostov-on-Don, Russia
P. A. Knyazev
Institute of Physical and Inorganic Chemistry, Southern Federal University
Email: ivakhnenko@sfedu.ru
344090, Rostov-on-Don, Russia
A. A. Tereshchenko
International Institute for Smart Materials, Southern Federal University
Email: ivakhnenko@sfedu.ru
344090, Rostov-on-Don, Russia
V. I. Minkin
Institute of Physical and Inorganic Chemistry, Southern Federal University
Author for correspondence.
Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia
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