There is provided a process for preparing sorafenib or a salt thereof comprising the use of a compound of formula (A), wherein R' is selected from the group consisting of hydrogen, -C(O)OA, -C(O)CX3, - OH C(O)NH2, -C(O)-NHOH or (a). There is also provided intermediate compounds of general formula (A), N-methyl-4-(4-ureidophenoxy)picolinamide, 4-(2- (methylcarbamoyl)pyridin-4-yloxy)phenylcarbamate derivative and N-methyl-4-(4-(2,2,2- trihaloacetamido)phenoxy)picolinamide, processes for their preparation and their use in the preparation of sorafenib.
提供了一种制备
索拉非尼或其盐的方法,包括使用公式(A)的化合物,其中R'选择自氢,-C(O)OA,-C(O)CX3,-OH C(O)NH2,-C(O)-NHOH或(a)的群。还提供了一般公式(A)的中间体化合物,N-甲基-4-(4-
脲基苯氧基)
吡啶酰胺,4-(2-(甲基
氨基)
吡啶-4-氧基)
苯基氨基甲酸酯衍
生物和N-甲基-4-(4-(2,2,2-三卤乙酰胺)苯氧基)
吡啶酰胺,以及它们的制备方法和在制备
索拉非尼中的应用。