Design, synthesis, characterization and in vitro evaluation of some novel thiol-substituted 1,3,4-oxadiazoles as GlmS inhibitors
The development of novel medications with previously unidentified action mechanisms is required due to the increasing in antibiotic resistance amongst dangerous microbes. The major goal of the research was to develop in silico and in vitro antibacterial methods for designing an active thiol substituted oxadiazole inhibitor targeting gram-negative and gram-positive bacteria's GlmS receptor. 1,3,4-Oxadiazole was proposed as a scaffold, and the possibility of its synthesis was examined. The least amount of free energy in the ligand configurations was chosen. Analyses of the novel molecules' characteristics were done using ADMET studies. There were four distinct reactions used in the synthesis processes. As the first reagent, substituted carboxylic acids were utilized. Synthesized compounds were characterized by spectral studies and minimum inhibitory concentration was evaluated by in vitro antibacterial examinations of synthesized compounds. Ciprofloxacin served as the study's reference drug. Based on in vitro studies and in silico molecular docking, ROS1-4 established strong binding energy, while ROS3 revealed significant antibacterial activity. These findings support the hypothesis that the proposed scaffold significantly inhibits the GlmS receptor protein.
Antibacterial; GlmS; Molecular docking; Oxadiazole; Spectral studies
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