CO-CRYSTAL OF CARFILZOMIB WITH MALEIC ACID AND PROCESS FOR THE PREPARATION OF PURE CARFILZOMIB

摘要

Aspects of the present application relates to co-crystal of carfilzomib with maleic acid, process for the preparation of co-crystal of carfilzomib with maleic acid, process for the preparation of pure carfilzomib from co-crystal of carfilzomib with maleic acid and process for the preparation of amorphous carfilzomib.