NOVEL PROCESS FOR THE PREPARATION OF MOXIFLOXACIN HYDROCHLORIDE AND A NOVEL POLYMORPH OF MOXIFLOXACIN

摘要

The present invention relates to a novel process for the preparation of moxifloxacin hydrochloride compound of formula-1 through novel quinoline carboxamide intermediate compounds of general formula-2. The present invention provides the process for the preparation of novel quinoline carboxamide intermediate compounds of general formula-2. The present invention also relates to a novel process for the preparation of anhydrous form of moxifloxacin hydrochloride and a novel crystalline form of moxifloxacin.