| abstract |
Compounds of formula (I): in which: • X and Y represent a group chosen from hydrogen, halogen, hydroxy, alkoxy, nitro, cyano, alkyl, trihaloalkyl and NRaRb in which Ra and Rb are as defined in the description • R1 represents a hydrogen atom or an alkyl group • R2 represents a group chosen from hydrogen, alkyl, -OR'a, NR'aR'b, O-Ta-OR'a, N "a-Ta-NR'aR 'b, NR "aC (O) -TaH, OC (O) -T1, O-T1-NR'aRb, NR" a-Ta-OR'a, NR "a-Ta-CO2R'a in which R' a, R "a, R'b and Ta are as defined in the description • R3, R4 represent a hydrogen atom or an alkyl group • A represents a group of formula -CH (R5) -CH (R6) - , -CH = C (R7) -, -C (R7) = CH-, -C (O) -CH (R8), or -CH (R8) -C (O) in which R5, R6, R7 and R8 are as defined in the description, their isomers defined in the description, N-oxides, as well as their addition salts with a pharmaceutically acceptable acid or base |