Process for the preparation n-(3,5-dichloropyrid-4-yl)-4-difluoromethoxy-8-methane sulfonamido-dibenzob,dfuran-1-carboxamide

摘要

The present invention relates to a method of preparing N-(3,5-dichloropyrid-4-yl)-4-difluoromethoxy-8-methanesulfonamido-dibenzo[b,d]furan-1-carboxamide and pharmaceutically acceptable salts thereof, such as its sodium salt, and novel intermediate compounds useful in the synthesis of the aforementioned compound.