| abstract |
(57) [Summary] Formula (I): Wherein A is an optionally substituted aryl group or an optionally substituted heterocyclyl group; R a is —CO—NR s R t , wherein R s and R t are each Independently hydrogen, alkyl, substituted alkyl, optionally substituted alkenyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heterocyclyl or optionally substituted Is a good heterocyclylalkyl group, or R s and R t together with the nitrogen to which they are attached form a heterocyclyl group; R 1 and R 2 are each independently hydrogen, hydroxy, , Amino, alkoxy, optionally substituted aryloxy, optionally substituted benzyloxy, alkylamino, dialkylamino, halo, trifluoro R 1 and R 2 together are methylenedioxy, carbonyldioxy or carbonyldiamino; R 3 is hydrogen, olomethyl, trifluoromethoxy, nitro, alkyl, carboxy, carboalkoxy, carbamoyl, alkylcarbamoyl; Alkanoyl, alkyl, aminoalkyl, hydroxyalkyl, carboxyalkyl, carbalkoxyalkyl, carbamoyl or alkylsulfonyl and arylsulfonyl] or a salt or solvate thereof; a process for producing such a compound, Pharmaceutical compositions containing as well as the use of such compounds or compositions in medicine. |