发明授权
- 专利标题： Quinoline carboxylic acid derivatives
- 专利标题（中）： 喹啉羧酸衍生物
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申请号： US807856申请日： 1992-01-17
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公开(公告)号： US5324735A公开(公告)日： 1994-06-28
- 发明人: Akihiro Shibata , Hideaki Matsuda , Takemitsu Asaoka , Masaru Matsumoto , Ryuichi Kawahara , Tatsuhiko Katori , Naokata Taido , Tadayuki Kuraishi
- 申请人： Akihiro Shibata , Hideaki Matsuda , Takemitsu Asaoka , Masaru Matsumoto , Ryuichi Kawahara , Tatsuhiko Katori , Naokata Taido , Tadayuki Kuraishi
- 申请人地址： JPX Tokyo
- 专利权人： SS Pharmaceutical Co., Ltd.
- 当前专利权人： SS Pharmaceutical Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-189214 19890721
- 主分类号： C07D215/56
- IPC分类号： C07D215/56 ; C07D401/04 ; C07D215/233 ; A01K31/47
摘要：
The present invention relates to a quinolone carboxylic acid derivative represented by the following the formula (I), ##STR1## wherein R.sub.1 is a lower alkyl group, R.sub.2 is a hydrogen atom or a lower alkyl group, R.sub.3 is a hydrogen atom or a halogen atom, R.sub.4 and R.sub.5 together form a five- or six-membered ring which may contain hetero atoms or may have substituents, provided that a compound wherein R.sub.1 is a methyl group, R.sub.2 and R.sub.3 are hydrogen atom and ##STR2## is a piperazinyl group is excluded; or a salt thereof; to an antimicrobial agent comprising the same as an effective component; and to an intermediate for producing same.
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