申请人:——
公开号:US20020115707A1
公开(公告)日:2002-08-22
An improved method for preparing dimethylamino-methyl-carbazolone and ondansetron base. A recrystallization process for preparing pure ondansetron hydrochloride dihydrate with a purity of at least 99.0% is also disclosed.
一种改进的制备二甲氨基甲基咔唑酮和安达舍隆的碱基的方法。还公开了一种用于制备纯度至少为99.0%的安达舍隆盐酸二水合物的重结晶过程。