The preparation procedure of 1.N-(3,4-fluorodifluoro-2-(2-fluoro-4-iodophenyl) amino-6-methoxyphenyl) -1-(2,3-dihydropropyl) -cyclopropyl sulfonamide; and the intermediate compounds used

摘要

Enantioselective methods for preparing N - (3,4 - difluoro - (2 - [2-fluoro-4 - yodofenil) amino] - 6 - 4-methoxyphenyl) - 1 - (2,3-dihydroxypropyl) - ciclopropanosulfonamidas intermediaries; and used.