Patent number: 5041639
Abstract: New polysubstituted derivatives of naphthalene. These derivatives correspond to the following formula: ##STR1## in which: R.sub.1 to R.sub.4 is H or CH.sub.3R.sub.5 is ##STR2## or (iv) the radical: 2-oxazolinyl m is 0 or 1R.sub.8.sbsb.r is H, alkyl, OR.sub.11, R.sub.11 being H, alkyl or ##STR3## R.sub.13 being alkyl or aryl or R.sub.8 is ##STR4## when m=1, r' and r" representing H, alkyl mono or polyhydroxyalkyl, aryl or a heterocycle when they are taken together, R.sub.9 is H or alkyl, R.sub.10 is H, alkyl and the acetals of the said compounds ##STR5## --OR.sub.14, R.sub.14 being H, alkyl, mono or polyhydroxyalkyl, aryl or aralkyl a rest of a sugar or represents ##STR6## being 0, 1, 2 or 3 R.sub.6 represents a hydrogen atom or a lower alkyl radical,R.sub.7 represents H, alkyl, halogen, hydroxyl, sulfydryl, alkoxy, alkylthio, acyloxy, acylthio, acylamino or primary, secondari or tertiary amino and the salts of the said compounds.These compounds find an application in the cosmetic and pharmaceutical fields.
Type:
Grant
Filed:
September 15, 1989
Date of Patent:
August 20, 1991
Assignee:
Centre International de Recherches Dermatologiques C.I.R.D.
Inventors:
Braham Shroot, Jacques Eustache, Martine Bouclier