| abstract |
Compounds of general formula (I): ** (Formula) ** in which: R1 represents a hydrogen atom or a radical chosen from methyl, ethyl, COCH3, COEt, COPh and CH2Ph, R2 represents a methyl radical, X represents a halogen atom, Y represents a single bond, O, NH, S, SO or SO2, Z represents a hydrogen atom or a halogen atom, n is equal to 2, 3, 4 or 5, well, R3 and R4 , identical or different, represent a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms, or R3 and R4 together with the nitrogen atom to which they are attached, a mono- or polycyclic heterocyclic, saturated , from 3 to 15 links, possibly containing 1 to 3 additional heteroatoms chosen from oxygen, sulfur and nitrogen, not substituted or substituted with a methyl, the dashed lines represent a second eventual bond, as well as their addition salts with the bases or acids. |