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Research Article Open access CC BY 4.0

Synthesis, Characterization, Anti-Mycobacterial Evaluation and In-Silico Molecular Docking of Novel Isoxazole Clubbed Pyrimidine Derivatives

Nagaraju Pappula, Ravichandra Sharabu

Journal of Pharmaceutical Research International · pp. 69–79 · Published 28 Apr 2021

10.9734/jpri/2021/v33i26B31484

Abstract

In the present research, we tend to ready a series of novel pyrimidine-linked isoxazole derivatives (11-20). The molecular structure and the elemental composition of these compounds were confirmed by spectroscopic studies and elemental analysis. MABA (Microplate alamar Blue Assay) assay was employed for assessing the antitubercular activity against the Mycobacterium tuberculosis H37Rv strain. Among the ten synthesized compounds, 18 and 20 showed excellent anti-tubercular activity than the reference (MIC-3.125 µg/ml) at 0.78 µg/mL. The compounds were found to possess good binding affinity than a standard against thymidylate kinase enzyme (PDB-1MRS) as evidenced by the molecular docking studies. Additionally, the bioactivity was conducted by Mol-inspiration software tool and the drug-likeness property was evaluated on Lipinski's rule of five by SCFBio online software. The lead compounds identified through these studies could be useful for the furtherance of the drug discovery process in the area of antitubercular research.

Tuberculosis MABA assay pyrimidine pyrazinamide and thymidylate kinase

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