发明名称 |
Pyridone carboxylic acids |
摘要 |
Pyridone carboxylic acid derivatives having a substituted or unsubstituted cyclopropyl group at the 10-position of pyridobenzoxazine, pyridobenzothiaxine or pyridoquinoxaline and a salts thereof, are useful as antibacterial agents. The compounds are of the formula:-… …<IMAGE>… wherein R<1> represents hydrogen or a protecting group; X is halogen, A is O, S, NH or N-Alkyl and R<2>, R<3> and R<4> are hydrogen or various defined substituents. |
申请公布号 |
GB2217710(A) |
申请公布日期 |
1989.11.01 |
申请号 |
GB19890008096 |
申请日期 |
1989.04.11 |
申请人 |
* TOYAMA CHEMICAL CO.,LTD |
发明人 |
HIROKAZU * NARITA;YOZO * TODO;JUN * NITTA;HIROYASU * TAKAGI;FUMIHIKO * IINO;MIKAKO * MIYAJIMA;YOSHIKAZU * FUKUOKA;ISAMU * SAIKAWA |
分类号 |
A61K31/47;A61K31/495;A61K31/535;A61K31/54;A61P31/04;C07D471/06;C07D471/10;C07D498/06;C07D513/06 |
主分类号 |
A61K31/47 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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