Process for the preparation of a RAF kinase inhibitor and intermediates for use in the process
申请人:Rao Dharmaraj Ramachandra
公开号:US08445687B2
公开(公告)日:2013-05-21
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, —C(O)NH2, —C(O)—NHOH or
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,包括使用式(A)的化合物,其中R′选自羟基,—C(O)OA,—C(O)CX3,—C(O)NH2,—C(O)—NHOH或者提供了一般式(A)的中间体化合物,N-甲基-4-(4-尿素基苯氧基)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-(2,2,2-三卤乙酰胺基)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。