N-(3-Aminopropyl)-N-phenyl-5,6,7,8-tetrahydronaphthalene-2-carboxamide derivatives, their preparation and their therapeutic use

A compound, of the formula:

• ##STR116## in which R.sub.1 represents a hydrogen, halogen, methyl, or a C.sub.1 -C.sub.4 alkoxy,
• R'.sub.1 represents hydrogen or halogen;
• R".sub.1 represents hydrogen or methoxy and
• R.sub.3 and R.sub.4 together form, with the nitrogen atom to which they are attached, 1,2,3,4-tetrahydroisoquinol-2-yl,
• 6. 7-dimethoxy-1,2,3,4-tetrahydroisoquinol-2-yl,
• 5,8-dimethoxy-1,2,3,4-tetrahydroisoquinol-2-yl,
• 1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indol-2-yl,
• 1,2,3,4-tetrahydro-9H-pyrido[4,3-b]indol-3-yl,
• 4,5,6,7-tetrahydrothieno[2,3-c]pyrid-6-yl,
• 2,3-dihydro-1H-isoindol-2-yl group, or 2,3,4,5-tetrahydro-1H-3-benzazepin-3-yl, the respective formulae of which are as follows:
• ##STR117## provided that, when R.sub.1 is alkoxy and each of R'.sub.1 and R".sub.1 is hydrogen, R.sub.3 and R.sub.4 do not form, with the nitrogen atom, an unsubstituted or substituted tetrahydroisoquinol-2-yl group
• in the form of a pure optical isomer or a mixture thereof, and in the form of a base or an acid addition salt.