| 发明名称 |
Optically active ofloxacin derivs. - with increased antimicrobial activity and reduced toxicity |
| 摘要 |
<p>derivs. of formula (VI) are new: X1 = halo; R1 = 1-4C alkyl; R3 = 1-3C alkyl. Also claimed are H-substd. benzoxazine derivs. of formula (X): each of X1 and X2 = halo, Q = H or a gp. of formula (a): R2 = substd. sulphonyl, alkoxycarbonyl or aralkyloxycarbonyl; Specifically claimed S(-)-9-fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7- oxo-2,3-dyhydro-7H -pyrido(1,2,3-de)(1,4) benzoazine-6-carboxylic acid (Ia) and the corresp. 10-(4-1-piperazinyl) cpd.</p> |
| 申请公布号 |
DK175312(B1) |
申请公布日期 |
2004.08.16 |
| 申请号 |
DK19880006416 |
申请日期 |
1988.11.17 |
| 申请人 |
DAIICHI PHARMACEUTICAL CO., LTD. |
发明人 |
ATARASHI, SHOHGO;HAYAKAWA, ISAO;YOKOHAMA, SHUICHI;IMAMURA, MASAZUMI;SAKANO, KATSUICHI;HIGASHIHASHI, NOBUYUKI;OHSHIMA, MASAYUKI |
| 分类号 |
C07D265/36;C07D413/06;(IPC1-7):C07D265/36 |
主分类号 |
C07D265/36 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
