1-(4-OXO-3,5-DIHYDRO-4H-PYRIDAZINO[4,5-B]INDOLE-1-CARBONYL(PIPERAZINE) DERIVATIVES, THEIR PREPARATION AND THERAPEUTIC APPLICATION

摘要

The invention concerns compounds of formula (I) wherein: X represents a hydrogen or halogen atom; Y represents one or several atoms or groups selected among hydrogen, halogens and methyl, hydroxy and methoxy groups; R1 represents a hydrogen atom or an alkyl group; R2 represents a hydrogen atom, an alkyl group, a cycloalkylalkyl group, a phenyl group, a pyridinyl group or a phenylmethyl group. The invention has therapeutic uses.