发明名称 |
A process for preparing quinolone carboxylic acid intermediates. |
摘要 |
<p>Quinolonecarboxylic acid intermediates useful in the preparation of antibacterial 6-fluoro-7-substituted-quinolonecarboxylic acids are prepared from 2-(iodo, bromo or chloro)-3-fluoro-4-(fluoro or chloro)-phenyl carboxylic acid or ester.</p> |
申请公布号 |
EP0370686(A2) |
申请公布日期 |
1990.05.30 |
申请号 |
EP19890311819 |
申请日期 |
1989.11.15 |
申请人 |
PFIZER INC. |
发明人 |
O'NEILL, BRIAN THOMAS |
分类号 |
B01J23/72;B01J27/00;B01J27/122;B01J31/00;B01J31/04;C07B61/00;C07C51/363;C07C63/70;C07C227/08;C07C229/56;C07C229/58;C07D215/56;C07D265/26 |
主分类号 |
B01J23/72 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|