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    Pyridazinone derivatives and processes for preparing the same
    2.
    发明授权
    Pyridazinone derivatives and processes for preparing the same 失效
    哒嗪酮衍生物及其制备方法

    公开(公告)号：US5698554A

    公开(公告)日：1997-12-16

    申请号：US671485

    申请日：1996-06-27

    申请人： Akihiko Ishida ,  Harutami Yamada ,  Michihisa Yato ,  Shinsuke Nishiyama ,  Fumikazu Okumura

    发明人： Akihiko Ishida ,  Harutami Yamada ,  Michihisa Yato ,  Shinsuke Nishiyama ,  Fumikazu Okumura

    IPC分类号： A61K31/50 ,  A61K31/501 ,  A61P13/12 ,  C07D237/14 ,  C07D401/12 ,  C07D403/12 ,  C07D409/12 ,  C07D413/12

    CPC分类号： C07D401/12 ,  C07D237/14 ,  C07D403/12 ,  C07D409/12

    摘要： Disclosed is a pyridazinone compound represented by the formula (I): ##STR1## wherein X represents hydrogen atom or the like; Y represents a single bonding arm, oxygen atom or sulfur atom; A represents a straight or branched alkylene group which may have a double bond; B represents carbonyl group or thiocarbonyl group; and R.sup.2 represents an alkyl group having 1 to 10 carbon atoms which may be substituted or the like; or B represents sulfonyl group; and R.sup.2 represents a lower alkenyl group or the like; R.sup.1 represents hydrogen atom or the like; R.sup.3 represents hydrogen atom or the like; R.sup.4 represents hydrogen atom or the like; and R.sup.5 represents hydrogen atom or the like, or a pharmaceutically acceptable salt thereof.

    摘要翻译： 公开了由式（I）表示的哒嗪酮化合物：其中X表示氢原子等;（I） Y表示单键键，氧原子或硫原子; A表示可以具有双键的直链或支链亚烷基; B表示羰基或硫代羰基; R 2表示可以具有取代基的碳原子数1〜10的烷基等。 或B表示磺酰基; 并且R 2表示低级烯基等; R1表示氢原子等; R3表示氢原子等; R4代表氢原子等; R5代表氢原子等，或其药学上可接受的盐。