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Synthesis, antimicrobial activity and molecular docking study of benzyl functionalized benzimidazole silver(I) complexes
(Springer, 2023) Ari, Erkan; Sahin, Neslihan; Ustuen, Elvan; Dundar, Muhammed; Karci, Hueseyin; Ozdemir, Ilknur; Koc, Ahmet
In this study, a series of N-functionalized benzimidazole silver(I) complexes were prepared and characterized by FT-IR, H-1, C-13{H-1} NMR spectroscopy, and elemental analysis. Synthesized N-benzylbenzimidazole silver(I) complexes were evaluated for their antimicrobial activities against bacteria Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and the fungal strains Candida albicans and Candida glabrata. The results indicated that N-alkylbenzimidazole silver(I) complexes exhibited good antimicrobial activity compared to N-alkylbenzimidazole derivatives. Especially, complex 2e presented perfect antimicrobial activity than the other complexes. The characterized molecules were optimized by DFT-based calculation methods and the optimized molecules were analyzed in detail by molecular docking methods against bacterial DNA-gyrase and CYP51. The amino acid residues detected for both target molecules are consistent with expectations, and the calculated binding affinities and inhibition constants are promising for further studies.