| 发明名称 |
IMPROVED PROCESS FOR PREPARING XANTHINE DERIVATES, IN PARTICULAR 1,3-DIPROPYL-8-(3-OXOCYCLOPENTYL)-XANTHINE |
| 摘要 |
An improved process is disclosed for preparing xanthines substituted at position 8 by an alkaline ring closure reaction of the corresponding uracils in the presence of lithium hydroxide. |
| 申请公布号 |
WO9426743(A1) |
申请公布日期 |
1994.11.24 |
| 申请号 |
WO1994EP01611 |
申请日期 |
1994.05.18 |
| 申请人 |
BOEHRINGER INGELHEIM INTERNATIONAL GMBH;BOEHRINGER INGELHEIM KG;KUEFNER-MUEHL, ULRIKE;LUETTKE, SVEN |
发明人 |
KUEFNER-MUEHL, ULRIKE;LUETTKE, SVEN |
| 分类号 |
C07D319/08;C07D405/12;C07D473/06;(IPC1-7):C07D473/06 |
主分类号 |
C07D319/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
