Benzene derivatives, preparation method and pharmaceutical compositions containing same

A compound of formula:

• in which:
• A represents a group chosen from the following:
• —C≡C—, —CH═CH—;
• —CH2—CH2—
• n is equal to 1 or 2;
• X represents a hydrogen, chlorine or fluorine atom or a methyl or methoxy group;
• Y represents a hydrogen atom or a chlorine or fluorine atom;
• R1 represents a cyclohexyl group monosubstituted, disubstituted, trisubstituted or tetrasubstituted with a methyl group;
• a phenyl group monosubstituted or disubstituted with a fluorine or chlorine atom or with a methoxy group;
• a cycloheptyl, tert-butyl, dicyclopropylmethyl, bicyclo[3.2.1]octanyl, 4-tetrahydropyranyl, 4-tetrahydrothiopyranyl or 1- or 2-adamantyl or adamantan-2-ol group;
• or R1 represents a phenyl group, it being understood that, in this case, X and Y are other than hydrogen;
• R2 represents a hydrogen atom or a (C1-C4)alkyl group optionally substituted with a trifluoromethyl group;
• R3 represents a (C5-C7)cycloalkyl;
• and the addition salts of these compounds with pharmaceutically acceptable acids, as well as the solvates and hydrates thereof.