申请人:Kao Corporation
公开号:US05146002A1
公开(公告)日:1992-09-08
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, 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.
本发明揭示了一种由式(I)表示的新型芳酰基酮衍生物:Ar(COCH.sub.2COR.sup.1).sub.n(I),其中R.sup.1表示具有1-24个碳原子的饱和或不饱和的碳氢基团,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,具有1-24个碳原子的二烷基氨基基团,Ar表示苯环或萘环,可以用一个或多个羟基基团,具有1-24个碳原子的烷氧基,具有1-24个碳原子的烯氧基,聚氧乙烯氧基或.alpha.-甲基二氧基基团取代,n表示1-4的整数。本发明揭示了一种紫外线吸收剂和化妆品组合物,其中包括式(I)的芳酰基酮衍生物。本发明的芳酰基酮衍生物(I)可以提供出色的紫外线吸收效果,并具有卓越的光稳定性,含有芳酰基酮衍生物(I)的紫外线吸收剂或化妆品组合物可以展现出优异的防晒效果。