Patent ID: 7429278

Claim:
A compound of formula (I) and the addition salts thereof: wherein: R is a C 2 -C 10 alkylene radical, wherein the alkylene radical is unsubstituted or substituted with at least one group chosen from a halogen atom and an alkyl, alkoxy, amino, hydroxyl, monoalkylamino, dialkylamino, alkylcarbonyl, carboxyl, amido, alkoxycarbonyl, monoalkylaminocarbonyl, and dialkylaminocarbonyl group, and where the alkylene radical is optionally interrupted with at least one entity chosen from a heteroatom chosen from oxygen and nitrogen and a carbonyl; R′ is a heteroaryl group chosen from pyrrole, thiophene, pyrazole, triazole, oxazole, isoxazole, thiazole, isothiazole, pyrimidine, pyrazine, triazine, and pyridazine groups, wherein the heteroaryl group is unsubstituted or substituted with at least one radical chosen from alkyl, hydroxyl, alkoxy, sulfonamide, alkylcarbonyl amino, monoalkylamino, and dialkylamino radicals; R″ is an entity chosen from a hydrogen atom, an alkyl, alkoxy, hydroxyalkoxy, alkoxyalkyl, monohydroxyalkyl and polyhydroxyalkyl radical, and a halogen atom; n is an integer ranging from 1 to 4; and with the proviso that the compound of formula (I) does not represent N-[2-(2-pyridyl)ethyl]-para-phenylenediamine.