Polymer Cu2+ and Ag+ furancarboxylate complexes with 4,4’-bipyridine: synthetic approaches, structure, thermal behavior, and biological activity

Koshenskova, K.A.; Baravikov, D.E.; Khoroshilov, A.V.; Nelyubina, Y.V.; Primakov, P.V.; Bekker, O.B.; Dokuchaeva, K.S.; Dolgushin, F.M.; Kiskin, M.A.; Eremenko, I.L.; Lutsenko, I.A.

Авторы: Koshenskova K.A., Baravikov D.E., Khoroshilov A.V., Nelyubina Yu V., Primakov P.V., Bekker O.B., Dokuchaeva K.S., Dolgushin F.M., Kiskin M.A., Eremenko I.L., Lutsenko I.A.
Журнал: Russian Chemical Bulletin
Том: 72
Номер: 8
Год издания: 2023
Издательство: Springer Nature
Местоположение издательства: Switzerland
Первая страница: 1894
Последняя страница: 1904
DOI: 10.1007/s11172-023-3974-z
Аннотация: Polymer complexes of the composition {[Cu2(fur)4(bpy)]n • nMeOH} (1) and {[Ag3(fur)(bpy)4]n•2nfur·13.5nH2O} (2) were synthesized by the reactions of copper(ii) and silver(i) acetates, respectively, with anions of furancarboxylic acid (Hfur) and 4,4’-bi-pyridine (bpy) under different synthesis conditions. The structures of the new complexes were established by X-ray diffraction (XRD) analysis. According to the XRD data, complex 1 is a polymer, in which the molecular metal oxide moieties are connected in a monodentate manner through bpy to form a 1D structural motif. The coordination environment of the copper(ii) atom in complex 1 can be described as a square pyramid {CuO4N}; the coordination number is 5. ionic complex 2 contains three nonequivalent Agi atoms in different coordination environment with different coordination numbers of the complexing metal (CNAg(1) = 4; CNAg(2)Ag(3) = 2). The supramolecular level of complex 2 is a 3D structure stabilized by different types of interactions, such as hydrogen bonds, π-stacking and ar-gentophilic interactions. The simultaneous thermal analysis demonstrated that complex 1 undergoes desolvation and decarboxylation at temperatures below 234 °C, whereas the bipyridine moieties coordinated to the copper(ii) atoms are not completely eliminated even at 500 °C. The in vitro biological activity of complexes 1 and 2 was evaluated against the non-pathogenic mycobacterial strain Mycolicibacterium smegmatis.
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Polymer Cu2+ and Ag+ furancarboxylate complexes with 4,4’-bipyridine: synthetic approaches, structure, thermal behavior, and biological activityстатья

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