The present invention relates to a novel method for preparing 1-(4-(4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-yloxy)piperidin-1-yl)prop-2-en-1-one in a simpler process as compared with conventional methods by allowing 4-(3,4-dichloro-2-fluorophenylamino)-7-methoxyquinazolin-6-ol to react with an N-acyl piperidine derivative in an inert polar protic solvent in the presence of a base.
本发明涉及一种新型制备1-(4-(4-(
3,4-二氯-2-氟苯胺基)-
7-甲氧基喹唑啉-6-氧基)
哌啶-1-基)丙-2-烯-1-酮的方法,与传统方法相比,通过允许4-(
3,4-二氯-2-氟苯胺基)-
7-甲氧基喹唑啉-6-醇与N-酰基
哌啶衍
生物在惰性极性质子溶剂中在碱的存在下反应,实现了更简单的工艺过程。