| abstract |
The invention concerns compounds of formula (I) wherein: X is N or CH; A represents a group of formula (a) or (b); R1 represents hydrogen, or a -NH2, -NR3R4, -NR3CO(C1-C4)Alk, -NR3SO2(C1-C4) Alk group; R2 represents hydrogen, a halogen, a (C1-C4)Alk, (C1-C4)alkoxyl, -COOH, -COO(C1-C4)Alk, -CN, -CONR3R4, -NO2, -SO2NR3R4, -NHSO2(C1-C4)Alk group; m and n represent each 0, 1 or 2; R3 and R4 represent each hydrogen or a (C1-C4)Alk group; Y1 and Y2 represent each NH or O; and their salts or solvates. The invention also concerns a method for preparing said compounds and pharmaceutical compositions containing them. |