| 发明名称 |
PROCESS FOR PREPARING SILDENAFIL |
| 摘要 |
<p>A process for the preparation of a compound of formula (I): <CHEM> also knows as sildenafil which comprises cyclisation of a compound of formula (II): <CHEM></p> |
| 申请公布号 |
HRP970326(A2) |
申请公布日期 |
1998.06.30 |
| 申请号 |
HR1997P000326 |
申请日期 |
1997.06.13 |
| 申请人 |
PFIZER RESEARCH AND DEVELOPMENT COMPANY |
发明人 |
ALBERT SHAW WOOD |
| 分类号 |
C07D295/22;A61K31/00;A61K31/505;A61K31/519;A61K31/635;A61P13/02;A61P15/00;A61P15/10;C07B61/00;C07D;C07D231/14;C07D231/40;C07D295/26;C07D403/12;C07D487/04;(IPC1-7):C07D487/04 |
主分类号 |
C07D295/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
