| 发明名称 |
Novel process for the preparation of form 1 ranitidine hydrochloride |
| 摘要 |
The present invention provides a novel process for preparing Form 1 ranitidine hydrochloride by crystallization from at least one C1-C6 alkanol.
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| 申请公布号 |
US2004267030(A1) |
申请公布日期 |
2004.12.30 |
| 申请号 |
US20040894169 |
申请日期 |
2004.07.19 |
| 申请人 |
AVENTIS PHARMACEUTICALS INC. |
发明人 |
CHENG WEN J.;BRIGGS ROGER L.;MCCOY LEE V. |
| 分类号 |
C07D307/52;(IPC1-7):A61K31/34;C07D307/02 |
主分类号 |
C07D307/52 |
| 代理机构 |
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