1-Isopropyl-7-{4-[4-(dimethylamino)piperidin-1-yl]phenylamino}-3,4-dihydro-pyrimido[4,5-d]pyrimidin-2(1H)-one 在
potassium tert-butylate 作用下,
以
四氢呋喃 、
乙醚 为溶剂,
以24 mg (18%)的产率得到1-Isopropyl-7-{4-[4-(dimethylamino)piperidin-1-yl]phenylamino}-pyrimido[4,5-d]pyrimidin-2(1H)-one