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    • 2. 发明公开
    • Substituted azetidinone compounds, their preparation, and medicaments containing them
    • Substituierte Azetidinonverbindungen,deren Herstellung und ihre enthaltenden Arzneimittel。
    • EP0171159A1
    • 1986-02-12
    • EP85304532.6
    • 1985-06-25
    • YAMANOUCHI PHARMACEUTICAL CO. LTD.
    • Tamura, ToshinariYoshida, MakotoTsukamoto, Shin-ichiIwamoto, HidenoriYamamoto, MinoruKagami, Soichi
    • C07K5/08C07D205/08A61K37/02
    • C07K5/0821C07D205/08C07D205/085C07F7/10
    • Compounds of the following general formula (1) and salts thereof are useful pharmaceuticals having central nervous system activitv:
      wherein one of R 1 and R 2 represents a substituted lower alkyl group, an azido group, an amino group, a lower acylamino group, a mercapto group or a lower alkylthio group and the other represents a hydrogen group, or both represent a hydrogen atom or a lower alkyl group; R 3 represents a hydrogen atom or a group shown by formula:
      [wherein X represents

      (wherein R 5 represents a hydrogen atom or a lower alkyl group) and Y represents a hydroxy group, a lower alkoxy group, an amino group, a mono- or di-lower alkylamino group]; and R 4 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group or a group shown by formula -CH 2 CO-A [wherein A represents an amino group or a group shown by formula
      (wherein X and Y are as defined above)]; provided that (a) at least one of R 3 and R 4 is other than a hydrogen atom and (b) when R 1 and R 2 are both hydrogen atoms at least R 4 is other than a hydrogen atom.
    • 下列通式(I)的化合物及其盐是具有中枢神经系统活性的有用药物:其中R 1和R 2之一表示取代的低级烷基,叠氮基, 氨基,低级酰氨基,巯基或低级烷硫基,另一方代表氢基,或二者均表示氢原子或低级烷基; R 3表示氢原子或由式表示的基团:... ... [其中X表示... ...或... ...(其中R 5表示氢原子或低级烷基 ),Y表示羟基,低级烷氧基,氨基,单 - 或二 - 低级烷基氨基]。 R 4表示氢原子,取代或未取代的低级烷基或式-CH 2 CO-A [其中A表示氨基或上述定义的基团]所示的基团]; 条件是(a)R 3和R 4中的至少一个不是氢原子,和(b)当R 1和R 2都是氢原子时,至少R 4是其它的 比氢原子。