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    • 4. 发明公开
    • Hydroquinone derivatives and antioxidants and tumor inhibitors containing them
    • Hydrochinonderivate und diese enthaltende Antioxydantien sowie Tumorinhibitoren。
    • EP0589069A1
    • 1994-03-30
    • EP92116002.4
    • 1992-09-18
    • NIPPON HYPOX LABORATORIES INCORPORATED
    • Satoh, ToshioMatsumoto, HitoshiNiiro, Yasunori
    • C07C43/23C09K15/08C11B5/00A61K7/00A61K31/085
    • A61K31/085A61K31/09C07C43/23C09K15/08
    • Novel hydroquinone derivatives of the formulae (I) and (II),

         wherein R¹ is an alkyl group having 7 to 11 carbon atoms,

         wherein each of R² to R⁵ is independently a hydrogen atom, a lower alkyl group or a lower alkoxy group provided that at least one of R² to R⁵ is a lower alkyl group or a lower alkoxy group, and R⁶ is an alkyl group having a carbon chain of at least 2 carbon atoms.
      as compounds having antioxidant activity and tumor incidence inhibiting activity, and an antioxidant and a tumor incidence inhibitor containing, as an active ingredient, a hydroquinone derivative of the formula (III),

         wherein each of R⁷ to R¹⁰ is independently a hydrogen atom, a lower alkyl group or a lower alkoxy group, and R¹¹ is an alkyl group having a carbon chain of at least 2 carbon atoms,
      and/or a salt thereof.
    • 式(I)和(II)的新型氢醌衍生物,其中R 1为具有7至11个碳原子的烷基,CHEM>其中R 2至R 5各自独立地为 氢原子,低级烷基或低级烷氧基,条件是R 2至R 5中的至少一个为低级烷基或低级烷氧基,R 6为具有 至少2个碳原子的碳链。 作为具有抗氧化活性和肿瘤发生抑制活性的化合物,以及抗氧化剂和肿瘤发生抑制剂,其含有式(III)的氢醌衍生物作为活性成分,其中R 7至R 1中的每一个 > 独立地是氢原子,低级烷基或低级烷氧基,R 1是具有至少2个碳原子的碳链的烷基和/或其盐。