PROCESS FOR THE PREPARATION OF N-(3,5-DICHLOROPYRID-4-YL)-4-DIFLUOROMETHOXY-8-METHANESULFONAMIDO-DIBENZO[B,D]FURAN-1-CARBOXAMIDE
申请人:Gopalan Balasubramanian
公开号:US20090281146A1
公开(公告)日:2009-11-12
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.
本发明涉及一种制备N-(3,5-二氯吡啶-4-基)-4-二氟甲氧基-8-甲磺酰基-二苯并[b,d]呋喃-1-羧酰胺及其药学上可接受的盐,例如其钠盐,以及在合成上述化合物中有用的新型中间体化合物的方法。