| 发明名称 |
Novel Process For The Preparation Of Roflumilast |
| 摘要 |
A composition comprising: roflumilast having a purity of greater than or equal to 99% by weight, and N-(3,5-dichloropyrid-4-yl)-3-cyclopropylmethoxy-4-hydroxybenzamide present (relative to roflumilast) in an amount greater than zero and less than 0.1% by weight.
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| 申请公布号 |
US2013231374(A1) |
申请公布日期 |
2013.09.05 |
| 申请号 |
US201313860264 |
申请日期 |
2013.04.10 |
| 申请人 |
KOHL BERNHARD;MUELLER BERND;PALOSCH WALTER;NYCOMED GMBH |
发明人 |
KOHL BERNHARD;MUELLER BERND;PALOSCH WALTER |
| 分类号 |
C07D213/81;C07D213/75 |
主分类号 |
C07D213/81 |
| 代理机构 |
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代理人 |
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