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    • 5. 发明申请
    • SKIN LIGHTENING AGENTS, COMPOSITIONS AND METHODS
    • 皮肤发光剂,组合物和方法
    • WO2005085169A1
    • 2005-09-15
    • PCT/EP2005/001595
    • 2005-02-16
    • UNILEVER PLCUNILEVER NVHINDUSTAN LEVER LIMITEDHARICHIAN, BijanROSA, Jose, GuillermoBARRATT, Michael, JamesBOSKO, Carol, AnnetteBAJOR, John, Steven
    • HARICHIAN, BijanROSA, Jose, GuillermoBARRATT, Michael, JamesBOSKO, Carol, AnnetteBAJOR, John, Steven
    • C07C59/52
    • A61K8/365A61K8/37A61K2800/782A61Q19/02C07C59/52C07C69/732
    • The invention provides coumarin derived compounds of formula (I) as skin lightening agents alone or in combination with other skin benefit agents and together with a cosmetic vehicle : formula (I). Where each or both R 1 and/or R 2 represents hydrogen (H); linear or branched, saturated or unsaturated, C 1 -C 12 alkyl, alkenyl, acyl, or heteroalkyl (preferably, alkoxy) groups; and R 3 represents linear or branched, cyclic or acyclic, saturated or unsaturated, C 1 -C 12 alkyl, alkenyl, cycloalkyl, cycloalkenyl, or heteroalkyl group; R 5 represents a hydrogen atom (H), or R 4 ; and R 4 represents linear or branched, cyclic or acyclic, saturated or unsaturated, containing or not containing a heteroatom, C 1 -C 22 alkyl, alkenyl, cycloalkyl, cycloalkenyl, heteroalkyl, aryl, or heteroaryl group. The compounds, compositions and methods have effective skin lightening properties, may be less irritating to the skin, and are cost-effective and relatively simple to manufacture. Also provided are processes for making the compounds of general formula (I) from 4-substituted-7-hydroxy coumarin derivatives.
    • 本发明提供了香豆素衍生的式(I)化合物作为单独的皮肤增白剂或与其它皮肤有益剂组合以及化妆品载体:式(I)。 其中R 1和/或R 2各自表示氢(H); 直链或支链的饱和或不饱和的C1-C12烷基,烯基,酰基或杂烷基(优选烷氧基); 且R 3表示直链或支链,环状或非环状,饱和或不饱和的C 1 -C 12烷基,烯基,环烷基,环烯基或杂烷基; R5表示氢原子(H)或R4; 且R 4表示含或不含杂原子,C 1 -C 22烷基,烯基,环烷基,环烯基,杂烷基,芳基或杂芳基的直链或支链,环状或无环的饱和或不饱和的。 化合物,组合物和方法具有有效的皮肤发光特性,可能对皮肤刺激性较低,并且成本低廉且制造相对简单。 还提供了由4-取代-7-羟基香豆素衍生物制备通式(I)的化合物的方法。
    • 7. 发明申请
    • NOVEL RESORCINOL DERIVATIVES FOR SKIN
    • 用于皮肤的新型RESORCINOL衍生物
    • WO2006097224A1
    • 2006-09-21
    • PCT/EP2006/002099
    • 2006-03-06
    • UNILEVER PLCUNILEVER NVHINDUSTAN LEVER LIMITEDHARICHIAN, BijanROSA, Jose Guillermo
    • HARICHIAN, BijanROSA, Jose Guillermo
    • C07C69/017C07C39/17A61Q19/02A61K8/34A61K8/37
    • 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: formula (I) and formula (B) 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. m represents an integer between 1 and 6.
    • 通式(I)和/或B的新的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,特别是皮肤增亮:式(I)和式(B)其中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,烯基或酰基。 优选地,X 1和/或X 2代表氢(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代表氢。 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。