| 发明名称 |
NOVEL PROCESS FOR THE PREPARATION OF SILDENAFIL CITRATE |
| 摘要 |
<p>Disclosed herein the process for producing 5-[2-ethoxy-5-(4-methyl)piperazine-l-yl- sulfonyl)phenyl]- 1 -methyl-3-n-propyl- 1 ,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one or its salt thereof employing novel intermediate.</p> |
| 申请公布号 |
EP2024369(A2) |
申请公布日期 |
2009.02.18 |
| 申请号 |
EP20070805617 |
申请日期 |
2007.06.01 |
| 申请人 |
MATRIX LABORATORIES LTD |
发明人 |
GORANTLA, SEETA, RAMANJANEYULU;BHANDARI, MOHAN;INDUKURI, VENKATA, SUNIL, KUMAR;SIMHADRI, SRINIVAS |
| 分类号 |
C07D487/04;C07C65/05;C07D231/06 |
主分类号 |
C07D487/04 |
| 代理机构 |
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代理人 |
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