Patent ID: 7875617

Claim:
Compound of formula (I) in which R 1 and R 2 can be identical or different and each independently represent a hydrogen, a halogen atom, or a hydroxyl, alkoxy, nitrile, nitro or perfluoroalkyl group, or an alkyl group, eventually substituted, R 1 and R 2 substituents both being attached to the same ring of the aromatic ring of the dihydronaphthyl moiety, R 3 represents a hydrogen or an alkyl group in the C-1, C-3 or C-4 position of the non-aromatic ring of the dihydronaphthyl moiety in formula (I), R 4 and R 5 can be identical or different and each independently represent a hydrogen, a halogen atom, or a hydroxyl, alkoxy, nitrile, nitro, alkylthio, alkylsulfonyl, sulfoamido, carboxyamido, acetyl, hydroxyalkyl, or perfluoroalkyl group in formula (I), R 4 and R 5 also may form together a ring fused with the phenyl ring forming heterocyclic compounds in formula (I), and salts thereof.