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
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