The subject of the present invention is compounds corresponding to the formula (I) in which: X represents a divalent (C2-C5)alkylene radical which is unsubstituted or substituted one or more times by an Alk group； R1 represents a phenyl, a naphthyl, a pyridyl, a 1-benzothienyl or a 1,3-benzodioxolyl； R2 represents a hydrogen atom, a halogen atom, an Alk group, an OAlk group or else a group chosen from —S-Alk, —SO-Alk, —SO2-Alk, —CO—N(R4)-Alk, —N(R4)SO2-Alk, —N(R4)CO-Alk, —N(R4)SO2—N(Alk)2； R3 represents a hydrogen atom, a halogen atom, an Alk group or an OAlk group； R4 represents a hydrogen atom or a (C1-C4)alkyl； Alk represents an unsubstituted or substituted (C1-C4)alkyl. Preparation process and therapeutic application.
