Process for Regorafenib
    23.
    发明授权
    Process for Regorafenib 有权
    瑞卡非尼的方法

    公开(公告)号:US09518020B2

    公开(公告)日:2016-12-13

    申请号:US15026694

    申请日:2014-09-29

    IPC分类号: C07D213/68 C07D213/81

    CPC分类号: C07D213/81 C07B2200/13

    摘要: The present invention provides processes for the preparation of i) Regorafenib (4-[4-({[4-chloro-3-(trifluoromethyl)phenyl]carbamoyl}amino)-3-fluorophenoxy]-N-methylpyridine-2-carboxamide, BAY 73-4506, Stivarga®) and its pharmaceutically acceptable salt thereof; ii) a crystalline solid of Regorafenib tosylate; iii) Regorafenib Polymorph I from Regorafenib tosylate, and iv) a pure 4-(4-amino-3-fluorophenoxy)-N-methylpicolinamide from 4-amino-3-fluorophenol and 4-chloro-N-methylpicolinamide in the presence of potassium tert-butoxide.

    摘要翻译: 本发明提供了制备i)雷卡非尼(4- [4 - ({[4-氯-3-(三氟甲基)苯基]氨基甲酰基}氨基)-3-氟苯氧基] -N-甲基吡啶-2-甲酰胺的方法, BAY 73-4506,Stivarga?)及其药学上可接受的盐; ii)瑞波非尼甲苯磺酸盐的结晶固体; iii)从罗非拉布甲苯磺酸盐获得的瑞考非非多晶型I,和iv)在钾存在下,由4-氨基-3-氟苯酚和4-氯-N-甲基吡啶酰胺制得纯的4-(4-氨基-3-氟苯氧基)-N-甲基吡啶酰胺 叔丁醇盐。