ethyl 1-{3-[bis(ethyloxy)phosphoryl]propyl}-7-[(4-fluorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydro-1,5-naphthyridine-3-carboxylate 、
2-甲氧基乙胺 在
氯仿 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以gave the title compound as a white solid (29 mg, 56%)的产率得到diethyl {3-[7-((4-fluorophenyl)methyl)-4-hydroxy-3-{[(2-(methyloxy)ethyl)amino]carbonyl}-2-oxo-1,5-naphthyridin-1(2H)-yl]propyl}phosphonate