The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. And also, the present invention provides novel intermediates useful for said process and processes for preparing the same.
本发明提供了一种制备
氨基嘧啶衍
生物或其药学上可接受的盐的改进工艺,该工艺对蛋白激酶,特别是对突变
表皮生长因子受体的蛋白激酶具有选择性抑制活性。此外,本发明还提供了对上述工艺有用的新型中间体以及制备上述中间体的工艺。