A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Formula: C21H18Br2N2O, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 301353-96-8, Name is P7C3, molecular formula is C21H18Br2N2O. In an article, author is Yatam, Satyanarayana,once mentioned of 301353-96-8.
Design, Synthesis and Biological Evaluation of 2 (((5-aryl-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazoles: New Antiinflammatory and Antioxidant Agents
The oxadiazole linked benzoxazoles derivatives were designed using scaffold hopping approach and their molecular level interactions with both isoforms of cyclooxygenases, Cyclo OXygenase-1 (COX-1) and CycloOXygenase-2 (COX-2), were carried out using docking protocols. Mini library of oxadiazole linked benzoxazoles derivatives were synthesized and tested for their COX inhibitory activity by invitro enzyme assay. The results indicated that compound 2-(((5-(2,4-dichlorophenyl)-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazole (5h), 2-(((5-(4-nitrophenyl)-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazole (5j) and 2-(((5-(4-(trifluoromethyl)phenyl)-1,2,4-oxadiazol-3-yl)methyl)thio)benzo[d]oxazole (5k) selectively inhibited COX-2 enzyme. The compound 5j exhibited strong selective COX-2 inhibition (IC50=4.83 mu M) followed by compound 5h (IC50=5.10 mu M) and 5k (IC50=6.70 mu M). The invivo anti-inflammatory activity of compound 5j was found to have better efficiency than the standard drug Ibuprofen at both 3h and 5h intervals. The significant molecular level interactions with respect to position of benzoxazole, 1,2,4-oxadiazole and substituted aryl groups in both COX-1 and COX-2 active sites were discussed. Subsequently, 2,2-diphenyl-2-picrylhydrazyl (DPPH) anti-oxidant activity was also checked for all the compounds and the compound 5j was found to be good anti-oxidant among the series with an IC50 of 34.5 mu M.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem