| 发明名称 |
4-Amino-3-hydroxy-phthalide and a method for its preparation. |
| 摘要 |
The present invention relates to 4-amino-3-hydroxy-phthalide, an important intermediate for the synthesis of 3-substituted-5-quinoline-carboxylic acids and to a process for its preparation. |
| 申请公布号 |
GR3015139(T3) |
申请公布日期 |
1995.05.31 |
| 申请号 |
GR19950400359T |
申请日期 |
1995.02.22 |
| 申请人 |
BAYER AG |
发明人 |
STOLTEFUSS, JUERGEN, DIPL.-ING. |
| 分类号 |
C07D215/48;C07D307/89 |
主分类号 |
C07D215/48 |
| 代理机构 |
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| 主权项 |
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