申请人:SCINOPHARM (CHANGSHU) PHARMACEUTICALS, LTD.
公开号:US20150025246A1
公开(公告)日:2015-01-22
The present invention provides novel processes for the preparation of N-substituted benzamides having the formula (VIc). In some embodiments, the invention provides a process for preparation of roflumilast and other pharmaceutically active species. Novel compounds, including intermediates for the synthesis of roflumilast, are also provided.
本发明提供了制备具有公式(VIc)的N-取代苯甲酰胺的新型方法。在某些实施例中,本发明提供了一种制备罗氟米拉斯特和其他药物活性物种的方法。还提供了新型化合物,包括合成罗氟米拉斯特的中间体。