Naphtalenic derivatives, their preparation, and cosmetic...

C - Chemistry – Metallurgy – 07 – C

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C07C 69/94 (2006.01) A61K 8/67 (2006.01) A61K 31/10 (2006.01) C07C 15/58 (2006.01) C07C 43/215 (2006.01) C07C 45/46 (2006.01) C07C 47/232 (2006.01) C07C 47/277 (2006.01) C07C 47/548 (2006.01) C07C 47/575 (2006.01) C07C 49/223 (2006.01) C07C 49/255 (2006.01) C07C 49/788 (2006.01) C07C 49/796 (2006.01) C07C 49/84 (2006.01) C07C 63/66 (2006.01) C07C 65/19 (2006.01)

Patent

CA 1256894

PRECIS DE LA DIVULGATION L'invention concerne un compose de formule (II): Image (II) (II) et les isomères et sels correspondants, formule dans lequel- le a et b sont des entiers pouvant prendre, indépendamment l'un de l'autre, les valeurs 0 ou 1, R1, R2, R3 et R4 repré- sentent, indépendamment, un atome d'hydrogène, un radical alkyle linéaire ou ramifié C1-C6 ou un radical alcoxy C1-C6, R6 représente un radical alkyle C1-C6, R5 et R12 représentent un atome d'hydrogène ou un radical alkyle C1-C6, sous réserve que R5 ne peut représenter l'hydrogène si a = b = 0, et R11 a diverses significations. L'inven- tion concerne également un procédé pour la préparation des composés de formule (II) ainsi que des compositions cosmétiques contenant lesdits composés.

491779

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