Add time:08/08/2019         Source:sciencedirect.com

5-Acetyl-6-methyl-4-aryl-3,4-dihydropyrimidin-2(1H)-ones 1–43 were synthesized in a “one-pot” three component reaction and structurally characterized by various spectroscopic techniques such as 1H, 13C NMR, EI-MS, HREI-MS, and IR. All compounds were evaluated for their in vitro urease inhibitory activity. It is worth mentioning that except derivatives 1, 11, 12, and 14, all were found to be more potent than the standard thiourea (IC50 = 21.25 ± 0.15 µM) and showed their urease inhibitory potential in the range of IC50 = 3.70 ± 0.5–20.14 ± 0.1 µM. Structure-activity relationship (SAR) was rationalized by looking at the varying structural features of the molecules. However, molecular modeling study was performed to confirm the binding interactions of the molecules (ligand) with the active site of enzyme.

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