申请人:Unilever Home & Personal Care USA, division of Conopco, Inc.
公开号:US07468464B2
公开(公告)日:2008-12-23
New 4-substituted resorcinol derivatives of general formula I and/or B and process for synthesizing same, cosmetic compositions and methods of using same, particularly for skin lightening:
Wherein
X1 and/or X2 represents hydrogen (H), linear or branched, saturated or unsaturated C1-C12 alkyl, alkenyl, or acyl groups. Preferably, X1 and/or X2 represents hydrogen (H); linear or branched, saturated or unsaturated C1-C12 alkyl or acyl groups;
R1 represents hydrogen (H), linear or branched, cyclic or acyclic, saturated or unsaturated C1-C12 alkyl, alkenyl, cycloalkyl, or cycloalkenyl group. Preferably, R1 represents hydrogen (H) or a C1 alkyl group (i.e, methyl group). More preferably, R1 represents hydrogen;
n represents 0, 1. When n=0, the ring is a cyclopentyl with or without one heteroatom from O, N or S and/or with or without one double bond. When n=1, the ring is a cyclohexyl with or without one heteroatom from O, N or S and/or with or without one double bond; and
m represents an integer between 1 and 6.
新的4-取代邻苯二酚衍生物的一般式I和/或B,及其合成方法、化妆品组合物和使用方法,特别是用于皮肤美白的方法:
其中X1和/或X2代表氢(H),线性或支链,饱和或不饱和的C1-C12烷基,烯基或酰基。优选,X1和/或X2代表氢(H);线性或支链,饱和或不饱和的C1-C12烷基或酰基;
R1代表氢(H),线性或支链,环状或非环状,饱和或不饱和的C1-C12烷基,烯基,环烷基或环烯基。优选,R1代表氢(H)或C1烷基(即,甲基基团)。更优选,R1代表氢;
n代表0或1。当n=0时,环是一个带有或不带有来自O、N或S的一个杂原子和/或一个双键的环戊基。当n=1时,环是一个带有或不带有来自O、N或S的一个杂原子和/或一个双键的环己基;
m表示介于1和6之间的整数。