2,6 - Disubstituted naphthalene - derivatives, processes for their preparation and their use in the pharmaceutical and cosmetic field

摘要

New polysubstituted derivatives of naphtalene. These derivatives correspond to the following formula: IMAGE (I) in which: R1 to R4 is H or CH3 R5 is (i) IMAGE (ii) -C 3BOND N (iii) IMAGE or (iv) the radical: 2-oxazolinyl m is 0 or 1 R8 is H, alkyl, OR11, R11 being H, alkyl or IMAGE R13 being alkyl or aryl or R8 is IMAGE when m=1, r' and r'' representing H, alkyl mono or polyhydroxyalkyl, aryl or a heterocycle when they are taken together, R9 is H or alkyl, R10 is H, alkyl and the acetals of the said compounds, IMAGE -OR14, R14 being H, alkyl, mono or polyhydroxyalkyl, aryl or aralkyl a rest of a sugar or represents IMAGE being 0, 1, 2, or 3 R6 represents a hydrogen atom or a lower alkyl radical, R7 represents H, alkyl, halogen, hydroxyl, sulfydryl, alkoxy, alkylthio, acyloxy, acylthio, acylamino or primary, secondary or tertiary amino and the salts of the said compounds. These compounds find an application in the cosmetic and pharmaceutical fields.