method for preparing n- (3,5-dichloropyrid-4-yl) -4-difluoromethoxy-8-methanes ulfonamido-dibenzo b, d furan-1-carboxamide intermediates, method for preparing n-intermediate compounds - (3,5-dichloropyrid-4-yl) -4-difluoromethoxy-8-methanes sulfonamido-dibenzo b, d furan-1-carboxamide, n- (3,5-dichloropyrid-4-yl) -4- difluoromethoxy-8-methanes ulfonamido-dibenzene b, d furan-1-carboxamide, method for the synthesis of n- (3,5-dichloropyrid-4-yl) -4-difluoromethoxy-8-methanes ulfonamido-dibenzo b , d furan-1-carboxamide and its n- (3,5-dichloropyrid-4-yl) -4-difluoromethoxy-8-methanes ulfonamido-dibenzo b, d furan-1-carboxamide sodium salt

摘要

METHOD FOR PREPARING N- (3,5- DICLOROPYRID -4- IL) -4- DIFLUOROMETOXI-8- METHANOSULPHONAMIDE INTERMEDIARIES - DIBENZO ¢ b, d! FURANO -1- CARBOXAMIDE, METHOD FOR PREPARING N- (3,5- DICLOROPYRID -4- IL) -4- DIFLUOROMETOXI -8- METHANESULPHONAMIDE - DIBENZO ¢ b, d! FURANO -1- CARBOXAMIDE, N- (3,5 - DICLOROPYRID -4- IL) -4-DIFLUOROMETOXI -8- METHANESULPHONAMIDE - DIBENZENO ¢ b, d! FURANO -1- CARBOXAMIDE, METHOD FOR N- (3,5- DICLOROPYRID -4- IL) -4- DIFLUOROMETOXY -8- METHANESULPHONAMIDO - DIBENZO ¢ b, d! FURANO -1- CARBOXAMIDE AND ITS N- SODIC SALT (3,5 - DICLOROPYRID -4- IL) -4- DIFLUOROMETOXI -8- METHANESULPHONAMIDE - DIBENZO ¢ b, d! FURANO- 1- CARBOXAMIDE. And their pharmaceutically acceptable salts, such as their sodium salt, and novel intermediate compounds useful in the synthesis of the aforementioned compound.