| abstract |
Disclosed are compounds of general formula (I) in which R1 represents H or an alkyl, cycloalkyl alkyl, phenylalkyl, alkenyl, or alkynyl, X represents H or one or several halogen atoms, alkyl, or alkoxy, R2 represents H or one or several halogen atoms or alkoxy groups, or optionally substituted amino, R3 represents an optionally substituted aminosulfonyl group, a cyano group or a group of formula S-alkyl, an alkylsulfonyl group, a carboxy or alkoxycarbonyl group, an optionally substituted carbamoyl group, an acetyl or benzoyl group, or an alkyl, cycloalkyl, alkenyl, phenyl, thienyl or thianthrenyl group. Said compounds are used for therapeutic purposes. |