The present invention relates to a process for the preparation of 4-[4-([4-chloro-3-(trifluoromethyl)phenyl]carbamoyl}amino)-3-fluorophenoxy]-N-methylpyridine-2- carboxamide or Regorafenib (I): Formula (I). The present invention further relates to a process for the purification of 4-[4-([4-chloro-3-(trifluoromethyl) phenyl] carbamoyl} amino)-3-fluorophenoxy]-N-methylpyridine-2- carboxamide or Regorafenib (I) to provide highly pure material. The present invention further relates to a process for the preparation stable crystalline material of 4-[4-([4-chloro-3-(trifluoromethyl)phenyl]carbamoyl}amino)-3-fluorophenoxy]- N-methyl pyridine-2-carboxamide or Regorafenib (I) useful in the preparation of pharmaceutical compositions for the treatment of cancer.
本发明涉及一种制备4-[4-([4-
氯-3-(三
氟甲基)苯基]
氨基}-3-
氟苯氧基]-N-
甲基吡啶-2-羧酰胺或Regorafenib (I)的方法:式(I)。本发明还涉及一种纯化4-[4-([4-
氯-3-(三
氟甲基)苯基]
氨基}-3-
氟苯氧基]-N-
甲基吡啶-2-羧酰胺或Regorafenib (I)以提供高纯度物质的方法。本发明还涉及一种制备稳定晶体材料4-[4-([4-
氯-3-(三
氟甲基)苯基]
氨基}-3-
氟苯氧基]- N-
甲基吡啶-2-羧酰胺或Regorafenib (I)的方法,该方法可用于制备用于治疗癌症的制药组合物。