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    • 2. 发明公开
    • Pyridone-carboxylic acid derivatives and their use as veterinary medicines
    • Pyridon-Carbonsäurederivateund ihre Verwendung als Tierarzneimittel。
    • EP0429304A2
    • 1991-05-29
    • EP90312692.8
    • 1990-11-21
    • SHIONOGI SEIYAKU KABUSHIKI KAISHA trading under the name of SHIONOGI & CO. LTD.
    • Imose, JunKataoka, TakahiroHidaka, ShigetadaUeda, KazuoOgata, MasaruTakahashi, Toshio
    • C07D401/04C07D471/04C07D498/06
    • C07D401/04C07D471/04
    • A veterinary composition for the treatment or prophylaxis of infectious diseases caused by infectious microorganisms which comprises at least one pyridone-carboxylic acid compound of the formula:
      wherein
      R¹ is lower alkyl, halo(lower)alkyl, cyclo(lower) alkyl or substituted or unsustituted phenyl;
      R² and R³ are each hydrogen, hydroxyl, lower alkoxy, halogen or a group of the formula: -CH₂N(R⁵)R⁶ (in which R⁵ and R⁶ are each hydrogen, lower alkyl, lower alkenyl or hydroxy(lower)alkyl);
      R⁴ is hydrogen, oxo, hydroxyl, lower alkoxy, halogen or a group of the formula: -CH₂N(R⁷)R⁸ (in which R⁷ and R⁸ are each hydrogen or lower alkyl;
      X is hydrogen or halogen;
      Y is CQ (in which Q is hydrogen or halogen) or nitrogen or, when taken together with R¹, may form a group of the formula: =C-OCH₂C(R⁹)H- (in which R⁹ is hydrogen or lower alkyl and the carbon atom to which R⁹ is attached links to the nitrogen atom in the pyridone ring); the compound themselves and a process for their production.
    • 用于治疗或预防由感染性微生物引起的感染性疾病的兽用组合物,其包含至少一种下式的吡啶酮羧酸化合物:其中R 1为低级烷基,卤代(低级)烷基,环(低级) )烷基或取代或未取代的苯基; R 2和R 3各自为氢,羟基,低级烷氧基,卤素或下式基团:-CH 2 N(R 5)R 6(其中R 5和R 6) 各自为氢,低级烷基,低级烯基或羟基(低级)烷基); R 4是氢,氧代,羟基,低级烷氧基,卤素或下式的基团:-CH 2 N(R 7)R 8(其中R 7和R 8各自是氢或 低级烷基; X是氢或卤素; Y是CQ(其中Q是氢或卤素)或氮,或者当与R 1一起时可以形成下式的基团:= C-OCH 2 C(R 9) >)H-(其中R 9是氢或低级烷基,R 9连接的碳原子连接到吡啶酮环中的氮原子);化合物本身及其制备方法。