1-(4-Methoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-3-carboxamides: Synthesis, molecular modeling, evaluation of their anti-inflammatory activity and ulcerogenicity

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

A series of novel 1-(4-methoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-1H-1,2,4-triazole-3-carboxamides were synthesized and confirmed with different spectroscopic techniques. The prepared compounds exhibited remarkable anti-inflammatory activity that represents 38%–100% of indomethacin activity and 44%–115% of celecoxib activity after 3 h. The anilides 5a–l and hydrazide 6 exhibit low incidence of gastric ulceration compared to indomethacin which was confirmed with histopathological investigation. In vitro COX-1/COX-2 inhibition studies showed compounds 4b (COX-1 IC50 = 45.9 μM; COX-2 IC50 = 68.2 μM) and 6 (COX-1 IC50 = 39.8 μM; COX-2 IC50 = 46.3 μM) are the most potent COX inhibitors in the tested compounds. The binding mode for some of the tested compounds to the enzymes was predicted using docking studies.

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