Quinolonecarboxylic acid derivatives
    5.
    发明公开
    Quinolonecarboxylic acid derivatives 失效
    喹诺酮羧酸衍生物

    公开(公告)号:EP0183129A1

    公开(公告)日:1986-06-04

    申请号:EP85114374.3

    申请日:1985-11-12

    IPC分类号: C07D401/04 A61K31/47

    CPC分类号: C07D215/56 C07D401/04

    摘要: Quinolonecarboxylic acid derivatives of the following formula,
    wherein R, R' and R 2 are each independently hydrogen atom or lower alkyl group and Y is hydrogen atom or halogen atom; the hydrates and pharmaceutically acceptable salts thereof are useful as antibacterial agents.

    摘要翻译: 下式的喹诺酮羧酸衍生物,其中R,R'和R2各自独立地为氢原子或低级烷基,Y为氢原子或卤素原子; 该水合物及其药学上可接受的盐可用作抗菌剂。

    Spiro-linked pyrrolidine-2,5-diones and process for their preparation
    8.
    发明公开
    Spiro-linked pyrrolidine-2,5-diones and process for their preparation 失效
    螺吡咯-2,5-二酮和Verfahren zu ihrer Herstellung。

    公开(公告)号:EP0147805A2

    公开(公告)日:1985-07-10

    申请号:EP84115973.4

    申请日:1984-12-20

    摘要: The invention provides a novel spiro-linked pyrrolidine-2,5-dione of the formula;-
    wherein X 1 and X 2 each independently represent a hydrogen, a halogen atom, a lower alkyl or lower alkoxy group; Y is a methylene group, oxygen or sulfur atom; R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom, a lower alkyl group or forming a benzene ring together with their adjacent carbon atoms; the base salts thereof with pharmaceutically acceptable cations, and processes for their manufactures.
    The compounds of formula [I] useful as aldose reductase inhibitors and as therapeutic agents for treatment of chronic diabetic complications are also disclosed.

    摘要翻译: 本发明提供了下式的新型螺环吡咯烷-2,5-二酮:其中X 1和X 2各自独立地表示氢,卤素原子,低级烷基或低级烷氧基; Y是亚甲基,氧或硫原子; R1,R2,R3和R4各自独立地表示氢原子,低级烷基或与它们相邻的碳原子一起形成苯环; 其碱盐与药学上可接受的阳离子,以及其制造方法。 还公开了可用作醛糖还原酶抑制剂的式[I]化合物和用于治疗慢性糖尿病并发症的治疗剂。