Identification of 2-hydroxymethyl-4-[5-(4-methoxyphenyl)-3-trifluoromethyl-pyrazol-1-yl]-N-propionylbenzenesulfonamide sodium as a potential COX-2 inhibitor for oral and parenteral administration.
2006
Abstract Synthesis of prodrugs of orally active COX-2 inhibitor 3 involving sulfamoyl (SO 2 NH 2 ) and hydroxymethyl (CH 2 OH) groups, and their biological evaluation are described. Of these prodrugs, the N -propionyl sulfonamide sodium 3k was found to be much superior to the parent compound 3 and other marketed COX-2 inhibitors in carrageenan induced rat paw edema model of inflammation due to highly elevated drug levels in systemic circulation. This prodrug has a potential both for oral as well as parenteral administration due to impressive analgesic activity, antipyretic potency, and extraordinary water solubility.
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