THE INVENTION RELATES TO COMPOUNDS CORRESPONDING TO FORMULA (I), IN THE FORM OF THE BASE OR OF AN ACID-ADDITION SALT: IN WHICH N IS EQUAL TO 0, 1, 2, 3 OR 4； M IS EQUAL TO 0, 1 OR 2； O IS EQUAL TO 0 OR 1； X REPRESENTS A GROUP -CH2, -CH(R’)-, -NH(R’)- OR A HETEROATOM CHOSEN FROM O AND S, IT BEING UNDERSTOOD THAT R’ REPRESENTS A GROUP -(C1 -C5)ALKYL, -(C1-C5)ALKOXY, -CH2-ARYL, -C(O)R5 OR -COOR5； R1 REPRESENTS AN OXO GROUP, -COOR5, -W-OH OR –W-NR5R6； R2 REPRESENTS AN H ATOM OR A GROUP CHOSEN FROM THE GROUPS (I) -C1-C5)ALKYL, (II) –C1-C5ALKOXY, (III) -COOR5, (IV) -NR5R6, (V) -C(O)-NR5R6, (VI) -SO2-NR3R4, (VII) HETEROARYL OPTIONALLY SUBSTITUTED WITH A GROUP (-C1-C5)ALKYL, (VIII) -W-ARYL, (IX) W-ARYL, (IX)–W-HETEROARYL, (X) -O-W-ARYL, (XI) -O-W-HETEROARYL AND (XII) -O-W-NR5R6； IT BEING UNDERSTOOD THAT R3 AND R4, (I) WHICH MAY BE IDENTICAL OR DIFFERENT, REPRESENT, INDEPENDENTLY OF EACH OTHER, AN H ATOM, A GROUP –(C1-C5)ALKYL, -(C3-C6)CYCLOALKYL, ARYL, HETEROARYL, -CH2-HETEROARYL, -(C1-C5)ALKYL-NR5R6, -W-OH OR -WNR5R6； OR (II) FORM, TOGETHER WITH THE NITROGEN ATOM THAT BEARS THEM, A HETEROCYCLOALKYL GROUP OPTIONALLY SUBSTITUTED WITH ONE OR MORE GROUPS CHOSEN FROM THE GROUPS -(C1-C5)ALKYL AND -CH2-ARYL； W IS A GROUP -(C1-C5)ALKYLENE, OPTIONALLY SUBSTITUTED WITH ONE OR MORE HYDROXYL GROUPS； R5 AND R6, WHICH MAY BE IDENTICAL OR DIFFERENT, REPRESENT, INDEPENDENTLY OF EACH OTHER, A HYDROGEN ATOM OR A GROUP CHOSEN FROM THE GROUPS -(C1-C5)ALKYL AND THE GROUPS –(C3-C6)CYCLOALKYL, AND ALSO THE PROCESS FOR PREPARING THEM AND THE THERAPEUTIC USES THEREOF.
