Novel aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same
申请人:KAO CORPORATION
公开号:EP0416564A2
公开(公告)日:1991-03-13
A novel aroyl ketone derivative represented by formula (I) is disclosed.
Ar(COCH₂COR¹)n (I)
wherein R¹ 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 α-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.
本发明公开了一种由式(I)代表的新型芳基酮衍生物。
Ar(COCH₂COR¹)n (I)
其中 R¹ 代表具有 1-24 个碳原子的饱和或不饱和烃基,或具有 1-24 个碳原子的直链或支链烷氧基或烯氧基烷基,具有 1-24 个碳原子的二烷基氨基,Ar 代表可被一个或多个羟基、具有 1-24 个碳原子的烷氧基、具有 1-24 个碳原子的烯氧基、聚氧乙烯氧基或 α-亚甲二氧基取代的苯环或萘环,n 表示 1-4 的整数。此外,还公开了一种紫外线吸收剂和包含式(I)丙酮衍生物的化妆品组合物。本发明的芳基酮衍生物(I)可提供优异的紫外线吸收效果,并具有出色的耐光稳定性,含有该芳基酮衍生物(I)的紫外线吸收剂或化妆品组合物可表现出优异的防晒效果。