Dr. Reddy's Laboratories Limited
PURIFICATION PROCESS FOR PREPARATION OF ERIBULIN AND INTERMEDIATES THEREOF

Abstract:

The present application relate to a purification process for preparation of halichondrin B analogues such as eribulin or pharmaceutically acceptable salts thereof having less than 0.15% or substantially free or free from one or more impurities. The present application also provide acid addition salts of eribulin and process for preparation thereof.