申请人:Harichian Bijan
公开号:US20080131382A1
公开(公告)日:2008-06-05
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
X
1
and/or X
2
represents hydrogen (H), linear or branched, saturated or unsaturated C
1
-C
12
alkyl, alkenyl, or acyl groups. Preferably, X
1
and/or X
2
represents hydrogen (H); linear or branched, saturated or unsaturated C
1
-C
12
alkyl or acyl groups;
R
1
represents hydrogen (H), linear or branched, cyclic or acyclic, saturated or unsaturated C
1
-C
12
alkyl, alkenyl, cycloalkyl, or cycloalkenyl group. Preferably, R
1
represents hydrogen (H) or a C
1
alkyl group (i.e, methyl group). More preferably, R
1
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以及其合成方法,化妆品组合物和使用它们的方法,特别是用于皮肤美白的方法:
其中X1和/或X2代表氢(H),线性或支链的,饱和或不饱和的C1-C12烷基,烯基或酰基。优选地,X1和/或X2代表氢(H);线性或支链的,饱和或不饱和的C1-C12烷基或酰基;R1代表氢(H),线性或支链的,环状或非环状的,饱和或不饱和的C1-C12烷基,烯基,环烷基或环烯基。更优选地,R1代表氢(H)或C1烷基(即甲基基团)。更更优选地,R1代表氢;n代表0或1。当n=0时,环是一个环戊基,带或不带一个来自O、N或S的杂原子和/或一个双键。当n=1时,环是一个环己基,带或不带一个来自O、N或S的杂原子和/或一个双键;m代表1到6之间的整数。