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    • 7. 发明申请
    • NOVEL 2-BENZOXAZOLYL BENZENE DERIVATIVES AND THEIR USE AS UV SCREENING AGENTS
    • 新型2-苯并恶唑苯并噻吩衍生物及其作为紫外线杀菌剂的用途
    • WO2002062771A1
    • 2002-08-15
    • PCT/EP2002/000847
    • 2002-01-28
    • ROCHE VITAMINS AGHUBER, Ulrich
    • HUBER, Ulrich
    • C07D263/62
    • A61K8/49A61Q17/04C07C233/75C07D263/64C07F7/0854
    • Novel benzoxazolyl benzene derivatives of formula (I) wherein R 1 is hydrogen, C 1-20 -alkyl or C 2-20 -alkenyl; R 2 and R 3 are independently a group -C(R 4 , R 5 )C(R 6 )=C(R 7 , R 8 ) (a) or a group -C(R 4' ,R 5' )CH(R 6' )CH(R 7' ,R 8' ) (b), wherein R 4 , R 5 , R 6 , R 7 , R 8 , R 4' , R 6' , R 7' and R 8' are independently, hydrogen, C 1-10 -alkyl or C 2-10 -alkenyl, or C 2-10 -alkyl or C 3-10 -alkenyl containing at least one oxygen atom interrupting the hydrocarbon chain; or wherein R 4 , R 5 , R 6 , R 4' , R 5' and R 6' are hydrogen, C 1-10 -alkyl or C 2-10 alkyl containing at least one oxygen atom interrupting the hydrocarbon chain, or alkyl substituted by a silane or oligosiloxane moiety, and one of R 7 and R 8 or R 7' and R 8' is a silane or oligosiloxane moiety and the other one of R 7 and R 8 or R 7' and R 8' is hydrogen; and X is phenylene or naphthylene, or substituted phenylene or naphthylene for use as UV screening agents for protecting human skin or hair against UV radiation, and in UV screening compositions, particularly topical compositions for cosmetic or dermatological use.
    • 式(I)的新型苯并恶唑基苯衍生物,其中R 1是氢,C 1-20 - 烷基或C 2-20 - 烯基; R 2和R 3独立地是基团-C(R 4,R 5)C(R 6)= C(R 7,R 8)(a)或 基团-C(R 4',R 5')CH(R 6')CH(R 7',R 8')(b),其中R 4,R R 5,R 7,R 8,R 4',R 6',R 7'和R 8'独立地是氢,C 1-10 或含有至少一个中断烃链的氧原子的C 2-10 - 烷基或C 2-10 - 烯基; 或其中R 4,R 5,R 6,R 4',R 5'和R 6'是氢,至少含有C 1-10 - 烷基或C 2-10烷基 一个中断烃链的氧原子或被硅烷或低聚硅氧烷部分取代的烷基,R 7和R 8或R 7'和R 8'之一是硅烷或低聚硅氧烷部分, R 7和R 8或R 7'和R 8'中的另一个是氢; 并且X是亚苯基或亚萘基,或取代的亚苯基或亚萘基,用作用于保护人类皮肤或头发免受紫外线辐射的UV屏蔽剂,以及UV屏蔽组合物,特别是用于化妆品或皮肤病学用途的局部组合物。