| 发明名称 |
PROCESS FOR PREPARING CIMETIDINE POLYMORPH B |
| 摘要 |
PROCESS FOR PREPARING CIMETIDINE POLYMORPH B A novel process for preparing cimetidine polymorph "B" comprises precipitating cimetidine from an aqueous-alcoholic solution of an acid addition salt. The precipitation is conducted at a temperature of above15.degree.C.. |
| 申请公布号 |
CA1301767(C) |
申请公布日期 |
1992.05.26 |
| 申请号 |
CA19870543047 |
申请日期 |
1987.07.27 |
| 申请人 |
GRABOYES, HAROLD |
发明人 |
GRABOYES, HAROLD;KIRKPATRICK, DAVID S. |
| 分类号 |
C07D233/24;C07C279/16;C07D233/54;C07D233/64 |
主分类号 |
C07D233/24 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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