| abstract |
Compounds of the formula: <IMAGE> in which R is C1-C17-alkyl, adamantyl, or phenyl, which can be substituted by C1-C5-alkyl, C1-C5-alkoxy, C1-C5-alkylthio, halogen, nitro, cyano, methylenedioxy or acetamido, are obtained by reacting a compound of the formula: <IMAGE> with an acylating agent corresponding to the carboxylic acid RCOOH. They can be used as agents for treating rheumatism and nephritis, as well as tumours. |