N-(3-methyl-4-((1-methyl-1H-benzo[d]imidazol-5-yl)oxy)phenyl)-6-(methylsulfonyl)pyrimido[5,4-d]pyrimidin-4-amine 、
(3R,4S)-4-methoxypyrrolidin-3-ol hydrochloride 在
N,N-二异丙基乙胺 作用下,
以
二甲基亚砜 为溶剂,
反应 2.0h,
以90%的产率得到(3R,4S)-4-methoxy-1-(8-((3-methyl-4-((1-methyl-1H-benzo[d]imidazol-5-yl)oxy)phenyl)amino)pyrimido[5,4-d]pyrimidin-2-yl)pyrrolidin-3-ol