7-(3,5-dimethoxyphenylamino)-5-(piperidin-4-ylmethylamino)imidazo[1,2-c]pyrimidine-8-carboxamide 、
氰乙酸 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
以60%的产率得到5-((1-(2-cyanoacetyl)piperidin-4-yl)methylamino)-7-(3,5-dimethoxy-phenylamino)imidazo[1,2-c]pyrimidine-8-carboxamide