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Three novel series of diarylpyrazole 10b-d and triarylpyrazole derivatives 11a-d &12a-d were synthesized through Vilsmier-Haack condition. The structures of prepared compounds were determined through IR, 1H NMR, 13C NMR, Mass… Click to show full abstract
Three novel series of diarylpyrazole 10b-d and triarylpyrazole derivatives 11a-d &12a-d were synthesized through Vilsmier-Haack condition. The structures of prepared compounds were determined through IR, 1H NMR, 13C NMR, Mass spectral and elemental analysis. Docking of the synthesized compounds over COX-2 active site ensure their selectivity. Moreover, the target compounds were evaluated for both in vitro and in vivo inhibitory activity. All compounds were more selective for COX-2 isozyme than COX-1 isozyme and with excellent anti-inflammatory activity. Compounds 11b, 11d and 12b showed the highest anti-inflammatory activity (67.4%, 62.7%, 61.4% respectively), lower ulcerogenic liability (UI = 2.00, 2.75, 3.25 respectively) than indomethacin (UI = 14) and comparable to celecoxib (UI = 1.75) which were confirmed from the histopatholgical study.
Journal Title: Bioorganic chemistry
Year Published: 2019
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