申请人:Kao Corporation
公开号:US05191121A1
公开(公告)日:1993-03-02
A novel aroyl ketone derivative represented by formula (I) is disclosed. Ar(COCH.sub.2 COR.sup.1).sub.n (I) wherein R.sup.1 represents a saturated or unsaturated hydrocarbon group having 1-24 carbon atoms, or a linear or branched alkoxyalkyl or alkenyloxyalkyl group having 1-24 carbon atoms, dialkylamino group having 1-24 carbon atoms, Ar represents a benzene or naphthalene ring which may be substituted with one or more hydroxyl groups, alkoxy groups having 1-24 carbon atoms, alkenyloxy groups having 1-24 carbon atoms, polyoxyleneoxy groups, mono- or dialkyl amino groups having 1-24 carbon atoms, or .alpha.-methylenedioxy groups, and n denotes an integer of 1-4. An UV-ray absorber and cosmetic composition comprising the aroyl ketone derivative of formula (I) are also disclosed. Aroyl ketone derivative (I) of the present invention can provide an excellent UV-ray absorbing effect and has outstanding stability against light, and the UV-ray absorber or cosmetic composition containing the aroyl ketone derivative (I) can exhibit an excellent sunscreening effect.
公开了一种由式(I)表示的新型酰基酮衍生物。其中R.sup.1代表具有1-24个碳原子的饱和或不饱和碳氢化合物基团,或具有1-24个碳原子的线性或支链烷氧基烷基或烯氧基烷基基团,具有1-24个碳原子的二烷基胺基团,Ar代表可能被一个或多个羟基,具有1-24个碳原子的烷氧基,具有1-24个碳原子的烯氧基,聚氧乙烯氧基,具有1-24个碳原子的单烷基或二烷基氨基,或α-亚甲二氧基基取代的苯或萘环,n表示1-4的整数。还公开了一种含有式(I)的酰基酮衍生物的紫外线吸收剂和化妆品组合物。本发明的酰基酮衍生物(I)可以提供出色的紫外线吸收效果,并具有出色的光稳定性,含有酰基酮衍生物(I)的紫外线吸收剂或化妆品组合物可以展现出优秀的防晒效果。