Abstract
We synthesized 2-(4-(4-fluorobenzylidene)-2-(4-fluorophenyl) 5-oxo-4,5-dihydroimidazol-1-yl) acetic acid 3. Chlorination afforded the chloro derivative 4, which reacted with different amines and hydrazine to afford compounds 5–8. Pyrazole, pyrazolone, and thiazolidinone derivatives were also synthesized from Imidazol-1-ylacetic acid hydrazide 8 to give compounds 9–12. Compounds were then evaluated for their anti-inflammatory activity against carrageenan-induced rat paw edema and their analgesic activity using the writhing test in albino mice. Compounds 5, 9, 10, 12 exhibited maximum anti-inflammatory activity, and all the compounds inhibited writhing, with 10 and 12 being two times more effective than the reference standard.
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Khalifa, M.M., Abdelbaky, N.A. Synthesis of new imidazolyl acetic acid derivatives with anti-inflammatory and analgesic activities. Arch. Pharm. Res. 31, 419–423 (2008). https://doi.org/10.1007/s12272-001-1173-x
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DOI: https://doi.org/10.1007/s12272-001-1173-x