5-(4-(2-(dimethylamino)ethoxy)phenylamino)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde 、
海因 、
哌啶 在
甲醇 作用下,
以
乙醇 为溶剂,
反应 16.0h,
以to yield 5-((5-(4-(2-(dimethylamino)ethoxy)phenylamino)pyrazolo[1,5-a]pyrimidin-3-yl)methylene)imidazolidine-2,4-dione的产率得到5-[[5-[4-[2-(dimethylamino)ethoxy]anilino]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]imidazolidine-2,4-dione