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    • 5. 发明授权
    • Resorcinol derivatives for skin
    • 间苯二酚衍生物用于皮肤
    • US07468464B2
    • 2008-12-23
    • US12026933
    • 2008-02-06
    • Bijan HarichianJose Guillermo Rosa
    • Bijan HarichianJose Guillermo Rosa
    • C07C39/04C07C39/23
    • C07C69/017C07C39/17C07C2601/14
    • 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.
    • 新的通式I和/或B的4-取代间苯二酚衍生物及其合成方法,化妆品组合物及其使用方法,特别是皮肤发光:其中X1和/或X2表示氢(H),直链或支链饱和 或不饱和C1-C12烷基,烯基或酰基。 优选地,X 1和/或X 2表示氢(H); 直链或支链,饱和或不饱和的C 1 -C 12烷基或酰基; R 1表示氢(H),直链或支链,环状或非环状,饱和或不饱和的C 1 -C 12烷基,烯基,环烷基或环烯基。 优选地,R 1表示氢(H)或C 1烷基(即甲基)。 更优选地,R 1表示氢; 当n = 0时,环是具有或不具有来自O,N或S的一个杂原子的环戊基和/或具有或不具有一个双键的环戊基。 当n = 1时,环是具有或不具有来自O,N或S的一个杂原子和/或具有或不具有一个双键的环己基; m表示1〜6的整数。