| 发明名称 |
PROCESS FOR THE PREPARATION OF ROFLUMILAST |
| 摘要 |
<p>The present invention relates to a process for the preparation of 3-cyclopropylmethoxy-4-difluromethoxy benzoic acid of structural Formula I, and to the use of this compound as an intermediate for the preparation of roflumilast.</p> |
| 申请公布号 |
EP1670742(A1) |
申请公布日期 |
2006.06.21 |
| 申请号 |
EP20040769351 |
申请日期 |
2004.09.13 |
| 申请人 |
RANBAXY LABORATORIES LIMITED |
发明人 |
BOSE, PROSENJIT;SACHDEVA, YOGINDER, PAL;RATHORE, RAMENDRA, SINGH;KUMAR, YATENDRA |
| 分类号 |
A61P11/06;C07C51/347;C07C51/353;C07C51/363;C07C67/00;C07C67/31;C07C69/84;C07C69/92;C07D213/75;(IPC1-7):C07C51/363;C07C65/21;A61K31/44 |
主分类号 |
A61P11/06 |
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