Antihypertensive compositions
    1.
    发明授权
    Antihypertensive compositions 失效
    抗高血压药物

    公开(公告)号:US3998955A

    公开(公告)日:1976-12-21

    申请号:US568483

    申请日:1975-04-16

    摘要: Pyridines of the formula I ##STR1## wherein R.sub.1 is free hydroxyl, lower alkoxy, cycloalkoxy, amino-lower alkoxy or lower alkoxy-lower alkoxy, free amino, hydroxyamino, lower alkyleneamino, oxa-, aza- or thia-lower alkyleneamino or mono- or di-lower alkylamino, R.sub.2 is oxygen or sulphur, R.sub.3 and R.sub.4 are each alkoxy, free amino, mono- or di-lower alkylamino, lower alkyleneamino, oxa-, aza- or thia-lower alkyleneamino, halogen or free hydroxyl, and either R.sub.3 or R.sub.4 can be hydrogen, and alk is an alkyl group with 3-10 carbon atoms, and their N-oxides, and salts are useful as dopamine-.beta.-hydroxylase inhibitors.

    摘要翻译: 式I的吡啶(I)其中R1是游离羟基,低级烷氧基,环烷氧基,氨基 - 低级烷氧基或低级烷氧基 - 低级烷氧基,游离氨基,羟基氨基,低级亚烷基氨基,氧杂 - ,氮杂 - 或低级 亚烷基氨基或单 - 或二 - 低级烷基氨基,R2是氧或硫,R3和R4分别是烷氧基,游离氨基,一或二低级烷基氨基,低级亚烷基氨基,氧杂 - ,氮杂 - 或硫代 - 低级亚烷基氨基,卤素或 游离羟基,R3或R4可以是氢,alk是具有3-10个碳原子的烷基,它们的N-氧化物和盐可用作多巴胺-β-羟化酶抑制剂。