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  • Title: 1,3,4-Oxadiazole/thiadiazole and 1,2,4-triazole derivatives of biphenyl-4-yloxy acetic acid: synthesis and preliminary evaluation of biological properties.
    Author: Kumar H, Javed SA, Khan SA, Amir M.
    Journal: Eur J Med Chem; 2008 Dec; 43(12):2688-98. PubMed ID: 18395299.
    Abstract:
    A series of 1,3,4-oxadiazole/thiadiazole and 1,2,4-triazole derivatives of biphenyl-4-yloxy acetic acid were synthesized in order to obtain new compounds with potential anti-inflammatory activity, analgesic activity and lower ulcerogenic potential. All compounds were evaluated for their anti-inflammatory activity by the carrageenan induced rat paw edema test method. The compounds possessing potent anti-inflammatory activity were further tested for their analgesic, ulcerogenic and antioxidant activities. Out of all tested compounds, the compounds 3, 7, 17 and 20, showed significant reduction in rat paw edema induced by carrageenan treatment. These compounds showed significant analgesic effect and at an equimolar oral doses relative to flurbiprofen were also found to be non-gastrotoxic in rats. Compound 17 was evaluated as the lead compound having more anti-inflammatory activity (81.81%) than the reference drug (79.54%), low ulcerogenic potential and protective effect on lipid peroxidation.
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