| 发明名称 |
METHOD FOR PREPARING QUINOLINE CARBOXYLIC ACIDS AND DERIVATIVES THEREOF |
| 摘要 |
A method of preparing substituted and unsubstituted 1,4-dihydro-4-oxo-2 and -3 quinolinic carboxylic acids which comprises heating an ester selected from the group consisting of substituted and unsubstituted anilinomethylenemalonates, anilinofumurates, anilinomaleates and mixtures thereof in the presence of chlorosulfonic acid, oleum and mixtures thereof. |
| 申请公布号 |
WO9419312(A1) |
申请公布日期 |
1994.09.01 |
| 申请号 |
WO1994US02100 |
申请日期 |
1994.02.14 |
| 申请人 |
HOECHST CELANESE CORPORATION |
发明人 |
SAUKAITIS, JOHN, C.;GUPTON, FRANKLIN, B. |
| 分类号 |
C07D215/22;A61K31/47;A61K31/4709;C07D215/233;C07D215/48;C07D215/56;(IPC1-7):C07C215/12;C07C215/14 |
主分类号 |
C07D215/22 |
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