2-(5-methyl-1,3,4-oxadiazol-2-yl)morpholine 、 6-chloro-8-(4-chloro-2-fluoro-phenyl)-2,3-dimethyl-pyrimido[5,4-d]pyrimidin-4-one 在
N,N-二异丙基乙胺 作用下,
以
二甲基亚砜 为溶剂,
以35.8 %的产率得到8-(4-chloro-2-fluorophenyl)-2,3-dimethyl-6-(2-(5-methyl-1,3,4-oxadiazol-2-yl)morpholino)pyrimido[5,4-d]pyrimidin-4(3H)-one