Pyrazolopyridazine antihypertensives
    5.
    发明授权
    Pyrazolopyridazine antihypertensives 失效
    吡唑并嗪抗高血压药

    公开(公告)号:US4399136A

    公开(公告)日:1983-08-16

    申请号:US272351

    申请日:1981-06-10

    摘要: Compounds of the formula ##STR1## wherein A is methylene, ethylene or propylene which may be substituted by lower alkyl, B is carbonyl or methylene, R.sup.1 is halogen, carboxyl, lower alkoxycarbonyl, hydroxyaminocarbonyl, mercapto, lower alkanoylthio or aryl(lower alkylthio)--, R.sup.2 is hydroxy, lower alkoxy or amino, R.sup.3 is hydrogen, lower alkyl, aryl or aryl(lower alkyl)--, R.sup.4 is hydrogen, lower alkyl, aryl, aryl-(lower alkyl)-- or a group of the formula --A-R.sup.1 wherein A and R.sup.1 are as described above and the broken line denotes an optional carbon-carbon bond which can be present only when B is carbonyl,and salts of the acids of formula I with pharmaceutically acceptable bases, a process for the manufacture thereof and pharmaceutical preparations containing same, are described. The compounds of formula I and their salts are useful as antihypertensive agents.

    摘要翻译: 式Ⅰ化合物其中A是可被低级烷基取代的亚甲基,亚乙基或丙烯,B是羰基或亚甲基,R 1是卤素,羧基,低级烷氧基羰基,羟基氨基羰基,巯基,低级烷酰硫基或芳基(低级烷硫基 ) - ,R2是羟基,低级烷氧基或氨基,R3是氢,低级烷基,芳基或芳基(低级烷基) - ,R4是氢,低级烷基,芳基,芳基 - (低级烷基) - 或式 -A-R1其中A和R1如上所述,虚线表示只有当B是羰基时才能存在的任选的碳 - 碳键,以及式I的酸与药学上可接受的碱的盐, 描述其制备方法和含有它们的药物制剂。 式I化合物及其盐可用作抗高血压药。

    Intermediates for pyrazolopyridazine derivatives
    6.
    发明授权
    Intermediates for pyrazolopyridazine derivatives 失效
    吡唑并哒嗪衍生物的中间体

    公开(公告)号:US4487929A

    公开(公告)日:1984-12-11

    申请号:US488508

    申请日:1983-04-25

    摘要: Intermediates of the formula ##STR1## wherein A is methylene, ethylene or propylene which may be substituted by lower alkyl, Y is halogen, R.sup.3 is hydrogen, lower alkyl, aryl or aryl-(lower alkyl)--, R.sup.20 l is lower alkoxy and R.sup.42 is hydrogen, lower alkyl, aryl or aryl-(lower alkyl) or a group of the formula --A--Y in which A and Y are as above, are described.

    摘要翻译: 其中A为可被低级烷基取代的亚甲基,亚乙基或亚丙基的中间体,Y为卤素,R 3为氢,低级烷基,芳基或芳基 - (低级烷基) - ,R 20为低级烷氧基, R42是氢,低级烷基,芳基或芳基 - (低级烷基)或其中A和Y如上所述的基团-A1的基团。

    Triazolopyridazine derivatives
    8.
    发明授权
    Triazolopyridazine derivatives 失效
    三唑并哒嗪衍生物

    公开(公告)号:US4307094A

    公开(公告)日:1981-12-22

    申请号:US169571

    申请日:1980-07-17

    CPC分类号: C07D487/04 C07D249/12

    摘要: The present disclosure is directed to 1-substituted or unsubstituted lower alkylene, 5-carboxy, alkanoyloxy or carbamoyloxy triazolopyridazine derivatives, salts of the acids and pharmaceutically-acceptable bases thereof. The triazolopyridazine derivatives provided by the present invention are useful as angiotensin-related antihypertensive agents.

    摘要翻译: 本公开涉及1-取代或未取代的低级亚烷基,5-羧基,烷酰氧基或氨基甲酰氧基三唑并哒嗪衍生物,酸的盐和药学上可接受的碱。 本发明提供的三唑并哒嗪衍生物可用作血管紧张素相关抗高血压药。