Invention Grant
US09000165B2 Process for the preparation of anhydrous aripiprazole crystal form II 有权
制备无水阿立哌唑晶体的方法II

Process for the preparation of anhydrous aripiprazole crystal form II
Abstract:
The present invention relates to a process for preparation of aripiprazole crystal form II by recrystallizing aripiprazole in a mixture of acetone and 1-methoxy-2-propanol or a single solvent of 1-methoxy-2-propanol. The simple process according to the present invention can produce aripiprazole crystal form II with high purity and high yield in a mass scale.
Information query
Patent Agency Ranking
0/0