| 发明名称 |
PROCESS FOR OBTAINING NEW 1,8-NAPHTHATHIRYDINIC DERIVATIVES |
| 摘要 |
The present invention relates to a 1,8-naphthyridine derivative of the formula <IMAGE> wherein R1, R2 and R3 are the same or different and each hydrogen or lower alkyl having 1 to 5 carbon atoms; and esters thereof and salts thereof and processes for preparation thereof. These compounds show excellent antibacterial activity and are useful antibacterial agents. |
| 申请公布号 |
YU126786(A) |
申请公布日期 |
1987.10.31 |
| 申请号 |
YU19860001267 |
申请日期 |
1986.07.16 |
| 申请人 |
DAINIPPON PHARMACEUTICAL CO |
发明人 |
MATSUMOTO H.;NAKAMURA S.;NIYAMOTO T.;UNO H. |
| 分类号 |
C07D487/04;A61K31/435;A61K31/4375;A61P31/04;C07D207/12;C07D207/14;C07D213/61;C07D213/78;C07D213/80;C07D213/85;C07D401/04;C07D471/04 |
主分类号 |
C07D487/04 |
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