Zinc(II) Chelate Complexes with Redox-Active o-Indophenols: Synthesis and Structure

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Resumo

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.

Sobre autores

E. Ivakhnenko

Institute of Physical and Inorganic Chemistry, Southern Federal University

Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia

Yu. Vitkovskaya

Institute of Physical and Inorganic Chemistry, Southern Federal University

Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia

K. Lysenko

Moscow State University

Email: ivakhnenko@sfedu.ru
119991, Moscow, Russia

S. Kislitsyn

Institute of Physical and Inorganic Chemistry, Southern Federal University

Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia

A. Starikov

Institute of Physical and Inorganic Chemistry, Southern Federal University

Email: ivakhnenko@sfedu.ru
344090, Rostov-on-Don, Russia

P. Knyazev

Institute of Physical and Inorganic Chemistry, Southern Federal University

Email: ivakhnenko@sfedu.ru
344090, Rostov-on-Don, Russia

A. Tereshchenko

International Institute for Smart Materials, Southern Federal University

Email: ivakhnenko@sfedu.ru
344090, Rostov-on-Don, Russia

V. Minkin

Institute of Physical and Inorganic Chemistry, Southern Federal University

Autor responsável pela correspondência
Email: ivakhnenko@sfedu.ru
344091, Rostov-on-Don, Russia

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Declaração de direitos autorais © Е.П. Ивахненко, Ю.Г. Витковская, К.А. Лысенко, С.Е. Кислицин, А.Г. Стариков, П.А. Князев, А.А. Терещенко, В.И. Минкин, 2023

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