专利号:US-7563900-B2 优先权日:2004-10-13 标 题:Process for the preparation N-(3,5-dichloropyrid-4-yl)-4-difluoromethoxy-8-methane sulfonamido-dibenzo[b,d]furan-1-carboxamide 发明人:GOPALAN BALASUBRAMANIAN; GHARAT LAXMIKANT A; CHANDRASEKHAR BATCHU; PILLAI BIJUKUMAR G 权利人:GLENMARK PHARMACEUTICALS SA 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.