发明名称 A CHEMICAL PROCESS FOR PREPARING CIMETIDINE POLYMORPH B
摘要 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 above 15 DEG C.
申请公布号 ZA8705675(B) 申请公布日期 1988.11.30
申请号 ZA19870005675 申请日期 1987.07.31
申请人 SMITHKLINE BECKMAN CORPORATION 发明人 HAROLD GRABOYES;DAVID SAMUEL KIRKPATRICK
分类号 C07D233/24;C07C279/16;C07D233/54;C07D233/64 主分类号 C07D233/24
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