摘要 |
<p>Certain enol ethers and esters of the formula <CHEM> where X and Y are each hydrogen, fluoro or chloro; R<1> is 2-thienyl or benzyl and R is alkanoyl, cycloalkylcarbonyl, phenylalkanoyl, chlorobenzoyl, methoxybenzyl, phenyl, thenoyl, omega-alkoxycarbonylalkanoyl, alkoxycarbonyl, phenoxycarbonyl, 1-alkoxyalkyl, 1-alkoxycarbonyloxyalkyl, alkyl, alkylsulfonyl, methylphenylsulfonyl or dialkylphosphonate are useful as prodrug forms the known 3-acyl-2-oxindole-1-carboxamide antiinflammatory and analgesic agents.</p> |