| 发明名称 |
PREPARATION OF CRYSTAL FORM II OF CLARITHROMYCIN |
| 摘要 |
The present invention provides a process for the preparation of 6-O-methylerythromycin A Form II comprising converting erythromycin A to 6-O-methylerythromycin A and treating the 6-O-methylerythromycin A with a number of common organic solvents or mixtures of common organic solvents.
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| 申请公布号 |
CA2261732(A1) |
申请公布日期 |
1998.02.05 |
| 申请号 |
CA19972261732 |
申请日期 |
1997.07.28 |
| 申请人 |
ABBOTT LABORATORIES |
发明人 |
RILEY, DAVID A.;LIU, JIH-HUA |
| 分类号 |
A61K31/7048;A61P31/04;C07H1/06;C07H17/08;(IPC1-7):C07H17/08 |
主分类号 |
A61K31/7048 |
| 代理机构 |
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