Seed IP Law Group PLLC
Process for the preparation of anhydrous aripiprazole crystal form II
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.
Daewoong Pharmaceutical Co., Ltd.
C A A A A
C07D A61P A61P A61K A61K
inventional inventional inventional inventional inventional
Jeong Hyun Yong Suk Soo Jin Seong Soo Yong Tae Seung Jae
Son Jin Choi Oh Kim Lee