| 发明名称 |
PROCESS FOR PREPARING QUINOLONE CARBOXYLIC ACID INTERMEDIATES |
| 摘要 |
A PROCESS FOR PREPARING QUINOLONE CARBOXYLIC ACID INTERMEDIATES 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. |
| 申请公布号 |
CA2003446(A1) |
申请公布日期 |
1990.05.23 |
| 申请号 |
CA19892003446 |
申请日期 |
1989.11.21 |
| 申请人 |
PFIZER INC. |
发明人 |
O'NEILL, BRIAN T. |
| 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;(IPC1-7):C07C63/70 |
主分类号 |
B01J23/72 |
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