The present invention provides novel processes for the preparation of N-substituted benzamides having the formula VIc: (formula) 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VIc式的N-取代苯甲酰胺的新工艺:(公式)。在某些实施例中,本发明提供了制备罗
氟米拉斯特和其他药物活性物种的工艺。还提供了新的化合物,包括合成罗
氟米拉斯特的中间体。