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:US20100311980A1
公开(公告)日:2010-12-09
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)CX
3
, —C(O)NH
2
, —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,包括使用公式(A)的化合物,其中R′从氢、—C(O)OA、—C(O)CX3、—C(O)NH2、—C(O)—NHOH等组成的群体中选择。还提供了一般式(A)的中间化合物,N-甲基-4-(4-脲基苯氧基)吡啶酰胺,4-(2-(甲基氨甲酰)吡啶-4-氧基)苯基氨甲酸酯衍生物和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。