PROCESS FOR THE PREPARATION OF QUINOLONE BASED COMPOUNDS
申请人:CADILA HEALTHCARE LIMITED
公开号:US20190359574A1
公开(公告)日:2019-11-28
The present invention relates to an improved process for the preparation of quinolone based compounds of general formula (I) using intermediate compound of general formula (XII). Invention also provides an improved process for the preparation of compound of formula (I-a) using intermediate compound of formula (XII-a) and some novel impurities generated during process. Compounds prepared using this process can be used to treat anemia.