Design, Synthesis, Molecular Docking and In silico Analysis of Some Novel 2-Amino-1, 3, 4-Thiadiazole Derivatives as Potent DNA Gyrase B Inhibitors

Author(s): Natarajan Ramalakshmi*, Prabakaran A., Sumithra S., Keerthika S., Nivetha J., Raveena R.

Journal Name: Current Bioactive Compounds

Volume 17 , Issue 7 , 2021

Article ID: e010621188864
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Graphical Abstract:


Introduction: Thiadiazole derivatives have been reported as a potent antimicrobial agent and the discovery of drug molecules for antimicrobial-resistant strains of Escherichia coli is still a vital challenge in the modern world.

Objective: The objective of the present study is to design, synthesize and perform molecular docking studies and in-silico analysis of some novel 2-amino-1, 3, 4-thiadiazole derivatives with the aim of developing potential DNA gyrase B inhibitors.

Materials and Methods: The compound 5-substituted-1, 3,4-thiadiazol-2-amine derivatives [compound 1a-1c] ; 5,6-Diphenyl- 2-{[5-(substituted)-1,3,4-thiadiazol-2-yl amino]}-2H -1,2,4-triazine- 3-thione derivatives [compound 2a-2c]; and propyl 3,4,5-trihydroxy-2,6-bis {[5-(substituted)- 1,3,4-thiadiazol-2-yl amino] benzoate derivatives [compound 3a -3c] were synthesised by temperature- controlled microwave-assisted method. The structures of the synthesized compounds were drawn in ChemSketch. Further, molecular docking and in-silico studies for the prediction of druglikeness, pharmacokinetic parameters and prediction of toxicity were carried out . The structures of the synthesized compounds were characterized by FT-IR, 1H NMR and mass spectral analysis.

Results: The synthesized compounds had a better yield.The docking studies of the synthesized compounds had a better docking score with a good binding affinity towards the protein molecule. The synthesized compounds also comply with the in-silico prediction of drug-likeness, pharmacokinetic parameters and prediction of toxicity.

Conclusion: The present study reveals that the 5-substituted-1, 3,4-thiadiazol-2-amine derivatives can serve as a better lead as potent DNA gyrase B inhibitor in further drug discovery.

Keywords: 2-amino-1, 3, 4-thiadiazole derivatives, microwave-assisted synthesis, molecular docking, DNA gyrase B inhibitor, in-silico analysis, drug discovery.

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Article Details

Year: 2021
Published on: 08 December, 2020
Article ID: e010621188864
Pages: 10
DOI: 10.2174/1573407216999201208204054
Price: $65

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