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    • 3. 发明授权
    • Pyrazine-2-carboxamide derivatives useful in treating allergic disease
    • 吡嗪-2-甲酰胺衍生物,用于治疗过敏性疾病
    • US4792547A
    • 1988-12-20
    • US941918
    • 1986-12-15
    • Yasuo ItohHideo KatoEiichi KoshinakaNobuo OgawaKazuya Mitani
    • Yasuo ItohHideo KatoEiichi KoshinakaNobuo OgawaKazuya Mitani
    • C07D401/14C07D403/12C07D403/14A61K31/55A61K31/495
    • C07D401/14C07D403/12C07D403/14
    • Novel pyrazine derivatives useful for treatment of bronchial asthma, allergic gastorenteric trouble, hay fever urticaria, allertic rhinitis, and allergic conjunctivitis, and pharmaceutical compositions thereof, are disclosed. The compounds have the formula I as follows: ##STR1## wherein R represents hydrogen or ##STR2## wherein R.sub.1 and R.sub.2 may be the same or different and each independently represents hydrogen, straight or branched-chain lower-alkyl, or cycloalkyl having three to six carbon atoms inclusive, phenyl which may be substituted with halogen, lower-alkyl, or lower-alkoxy, or wherein R.sub.1 and R.sub.2 together represent alkylene of four to six carbon atoms, inclusive, optionally interrupted by one or two nitrogen atoms or one oxygen atom and said ring being optionally substituted by straight or branched-chain lower-alkyl having one to six carbon atoms inclusive, hydroxy, or phenyl,and pharmaceutically-acceptable salts thereof.
    • 用于治疗支气管哮喘,过敏性胃炎,花粉荨麻疹,过敏性鼻炎和过敏性结膜炎的新颖吡嗪衍生物及其药物组合物。 化合物具有如下式I:其中R表示氢或者其中R 1和R 2可以相同或不同,并且各自独立地表示氢,直链或支链低级烷基或具有三个至 6个碳原子,可被卤素,低级烷基或低级烷氧基取代的苯基,或其中R 1和R 2一起代表四至六个碳原子的亚烷基,包括任选地被一个或两个氮原子或一个氧 所述环任选被具有1-6个碳原子的直链或支链低级烷基,羟基或苯基取代,及其药学上可接受的盐。
    • 4. 发明授权
    • N-substituted flavone-8-carboxamides
    • N-取代的黄酮-8-甲酰胺
    • US4525356A
    • 1985-06-25
    • US546481
    • 1983-10-28
    • Yasuo IthoHideo KatoNobuo OgawaKagari YamagishiEiichi KoshinakaKazuya Mitani
    • Yasuo IthoHideo KatoNobuo OgawaKagari YamagishiEiichi KoshinakaKazuya Mitani
    • C07D311/30C07D405/12A61K31/35C07D405/10
    • C07D405/12C07D311/30
    • Derivatives of N-substituted flavone-8-carboxamides represented by general formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, a methyl group or an ethyl group, R.sub.2 represents a hydrogen atom, a lower alkyl group, a lower alkoxyl group, a halogen atom or a nitro group, R.sub.3 represents a hydrogen atom or a lower alkyl group, k represents 0, 1, 2, or 3, m represents 0 or 1; X and Y, which must be different, represent a hydrogen atom or methyl group. A represents an amino group having the formula ##STR2## wherein, R.sub.4 and R.sub.5, which may be the same or different, represent a lower alkyl group or a cyclic amino group together with the nitrogen atom and with or without an oxygen atom, R.sub.6 represents a lower alkyl group and n represents 2 or 3, are disclosed, as well as pharmaceutical compositions thereof and method of treating therewith.The N-substituted flavone-8-carboxamides derivatives are useful as agents for treatment of dysurea.
    • 由通式(I)表示的N-取代的黄酮-8-甲酰胺的衍生物其中R1表示氢原子,甲基或乙基,R2表示氢原子,低级烷基,低级烷氧基 卤素原子或硝基,R3表示氢原子或低级烷基,k表示0,1,2或3,m表示0或1; X和Y必须不同,表示氢原子或甲基。 A表示具有式“IMAGE”的氨基,其中可以相同或不同的R 4和R 5与氮原子一起表示低级烷基或环状氨基,并且具有或不具有氧原子,R6表示 低级烷基和n代表2或3,以及其药物组合物和其处理方法。 N-取代的黄酮-8-甲酰胺衍生物可用作治疗尿素的药剂。