ethyl N-ethoxycarbonyl-3-methoxy-propanimidate 、 6-hydrazinyl-2-methyl-3-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)pyridine 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 12.5h,
以63.8%的产率得到3-(2-methoxyethyl)-1-(6-methyl-5-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)pyridin-2-yl)-1H-1 ,2,4-triazol-5(4H)-one