Cobalt(III) complexes with biguanide derivatives: Synthesis, structures, and antiviral activity


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Abstract

Three Co(III) complexes with biguanide derivatives [Co(NH2C(=NH)NHC(=NH)NR1R2)3]Cl3 (R1R2 = Me2 (I), Et2 (II), and HsBu (III)) were obtained and characterized by elemental analysis, IR spectroscopy, and electronic absorption spectroscopy. Structure III was confirmed by X-ray diffraction (CIF file CCDC no. 1401783). Complexes I–III and [M(SC(NH2)2)4]Cl2 (M = Pd, Pt, and [Co(En)3]Cl3) were tested for in vitro antiviral activity against the A/California/07/09 (H1N1pdm09) influenza virus. The best results were achieved with complex III and both thiourea complexes.

About the authors

V. P. Kirin

Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University

Email: maksakov@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk

A. G. Demkin

Novosibirsk State University

Email: maksakov@niic.nsc.ru
Russian Federation, Novosibirsk

A. I. Smolentsev

Nikolaev Institute of Inorganic Chemistry, Siberian Branch

Email: maksakov@niic.nsc.ru
Russian Federation, Novosibirsk

T. N. Il’icheva

Novosibirsk State University

Email: maksakov@niic.nsc.ru
Russian Federation, Novosibirsk

V. A. Maksakov

Nikolaev Institute of Inorganic Chemistry, Siberian Branch; Novosibirsk State University

Author for correspondence.
Email: maksakov@niic.nsc.ru
Russian Federation, Novosibirsk; Novosibirsk

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