Synthesis, antibacterial, anti-urease, DFT and molecular docking studies of novel bis-1,3,4-thiadiazoles

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dc.contributor.authorKaya, Betul
dc.contributor.authorCevik, Ulviye Acar
dc.contributor.authorBehcet, Mustafa
dc.contributor.authorKarayel, Arzu
dc.contributor.authorDaoud, Nour El-Huda
dc.contributor.authorBostanci, Hayrani Eren
dc.contributor.authorKaplancikli, Zafer Asim
dc.date.accessioned2024-10-26T18:10:56Z
dc.date.available2024-10-26T18:10:56Z
dc.date.issued2025
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractA series of 2-substitutedamino-1,3,4-thiadiazoles (4a-4j) were synthesized starting from various isothiocyanate derivatives. The newly synthesized compounds were characterized by H-1 NMR, C-13 NMR, and elemental analysis. All compounds were tested for antibacterial activity against Proteus vulgaris (ATCC 7829) via the microbroth dilution technique. Among them, compound 4h emerged as the most potent antibacterial agent with MIC value of 4.1 mu M. All synthetic compounds were additionally evaluated for their urease inhibitory activity and exhibited good inhibitory potential against urease with IC50 values in the range of 1.732 +/- 0.186 - 3.786 +/- 0.300 mu M as compared to the standard thiourea (IC50 = 11.008 +/- 0.932 mu M). Compounds 4d, 4h and 4i showed significant inhibitory effects with IC50 values of 1.981 +/- 0.265, 1.732 +/- 0.186 and 1.937 +/- 0.173 mu M, respectively. In silico molecular docking study showed the critical interactions of compound 4h with the active site of the urease. According to DFT, compounds 4j and 4d (with low Delta E=4.536 eV and 4.629 eV values, respectively) are more chemically reactive than the other molecules, in which consistent with their inhibitory potentials against the urease enzyme. Molecular Dynamics simulations also were performed to assess the energetic features of the urease in complex with compound 4h. Furthermore, the predicted ADMET characteristics of the compound 4h was calculated using QikProp to gain insights into its pharmacokinetic properties. These newly identified inhibitors of the urease enzyme can serve as leads for further antibacterial drug research and development.
dc.identifier.doi10.1016/j.molstruc.2024.140134
dc.identifier.issn0022-2860
dc.identifier.issn1872-8014
dc.identifier.scopus2-s2.0-85204967901
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.molstruc.2024.140134
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30456
dc.identifier.volume1321
dc.identifier.wosWOS:001328218300001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofJournal of Molecular Structure
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectThiadiazole
dc.subjectUrease
dc.subjectAntibacterial activity
dc.subjectDFT
dc.subjectMD
dc.subjectMolecular docking study
dc.titleSynthesis, antibacterial, anti-urease, DFT and molecular docking studies of novel bis-1,3,4-thiadiazoles
dc.typeArticle

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