Spin Crossover and Thermochromism in Iron(II) Complexes with 2,6-Bis(1H-imidazol-2-yl)-4-methoxypyridine

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В журнале International Journal of Molecular Sciences   (IF=5,6) опубликована статья  с участием сотрудников Института: к.х.н.  И.А. Оськиной (снс, ЛГетС) и  д.х.н. А.Я. Тихонова  (гнс,  ЛГетС):

Elaboration of the Effective Multi-Target Therapeutic Platform for the Treatment of Alzheimer’s Disease Based on Novel Monoterpene-Derived Hydroxamic Acids

Olga G. Shakirova, Irina A. Os’kina, Evgeniy V. Korotaev, Sergey A. Petrov, Natalia V. Kuratieva, Alexsei Ya. Tikhonov and Lyudmila G. Lavrenova

Int. J. Mol. Sci. 2023, 24(12), 9853;

Published: 07 Jun 2023

 

https://doi.org/10.3390/ijms24129853

(This article belongs to the Special Issue The Design, Synthesis and Study of Metal Complexes)

ijms 24 09853 ag 550
Abstract

New iron(II) complexes with 2,6-bis(1H-imidazol-2-yl)-4-methoxypyridine (L) of the composition [FeL2]An∙mH2O (A = SO42−, n = 1, m = 2 (I); A = ReO4, n = 2, m = 1 (II); A = Br, n = 2, m = 2 (III)) have been synthesized and investigated. To determine the coordination ability of the ligand, a single crystal of a copper(II) complex of the composition [CuLCl2] (IV) was obtained and studied by X-ray technique. Compounds IIII were studied using methods of X-ray phase analysis, electron (diffuse reflection spectra), infrared and Mössbauer spectroscopy, static magnetic susceptibility. The study of the µeff(T) dependence showed that the 1A1 ↔ 5T2 spin crossover manifests itself in the compounds. The spin crossover is accompanied by thermochromism: there is a distinct color change orange ↔ red-violet.

 
 
 
 
 


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