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Synthesis, Crystal Structure, Theoretical Calculations, Antibacterial Activity, Electrochemical Behavior, and Molecular Docking of Ni(II) and Cu(II) Complexes with Pyridoxal-Semicarbazone

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2022
Synthesis_Crystal_Structure_pub_2022.pdf (3.406Mb)
Authors
Jevtovic, Violeta
Alshammari, Njood
Latif, Salman
Alsukaibi, Abdulmohsen Khalaf Dhahi
Humaidi, Jamal
Alanazi, Tahani Y. A.
Abdulaziz, Fahad
Matalka, Samah I.
Pantelić, Nebojša Đ
Marković, Milica
Rakić, Aleksandra
Dimić, Dušan
Article (Published version)
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Abstract
New Ni (II) and Cu (II) complexes with pyridoxal-semicarbazone were synthesized and their structures were solved by X-ray crystallography. This analysis showed the bis-ligand octahedral structure of [Ni(PLSC-H)2]·H2O and the dimer octahedral structure of [Cu(PLSC)(SO4)(H2O)]2·2H2O. Hirshfeld surface analysis was employed to determine the most important intermolecular interactions in the crystallographic structures. The structures of both complexes were further examined using density functional theory and natural bond orbital analysis. The photocatalytic decomposition of methylene blue in the presence of both compounds was investigated. Both compounds were active toward E. coli and S. aureus, with a minimum inhibition concentration similar to that of chloramphenicol. The obtained complexes led to the formation of free radical species, as was demonstrated in an experiment with dichlorofluorescein-diacetate. It is postulated that this is the mechanistic pathway of the antibacterial and ph...otocatalytic activities. Cyclic voltammograms of the compounds showed the peaks of the reduction of metal ions. A molecular docking study showed that the Ni(II) complex exhibited promising activity towards Janus kinase (JAK), as a potential therapy for inflammatory diseases, cancers, and immunologic disorders.

Keywords:
Anti-Bacterial Agents / biological activity / Chloramphenicol / Coordination Complexes / Copper / Crystallography, X-Ray / Cu(II) complex / DFT / Escherichia coli / Janus Kinases / Ligands / methylene blue / Methylene Blue / Molecular Docking Simulation / Molecular Structure / NBO / Ni(II) complex / Nickel / Pyridoxal / Semicarbazones / Staphylococcus aureus
Source:
Molecules (Basel, Switzerland), 2022, 27, 19, 6322-

DOI: 10.3390/molecules27196322

ISSN: 1420-3049

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URI
http://www.ncbi.nlm.nih.gov/pubmed/36234859
http://aspace.agrif.bg.ac.rs/handle/123456789/6200
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Poljoprivredni fakultet

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