5-(isobutylamino)pyrazolo[1,5-a]pyrimidine-3-carbaldehyde 、
海因 、
哌啶 以
乙腈 为溶剂,
反应 48.0h,
以to yield 5-((5-(isobutylamino)pyrazolo[1,5-a]pyrimidin-3-yl)methylene)imidazolidine-2,4-dione的产率得到5-[[5-(2-methylpropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]imidazolidine-2,4-dione