4-fluoro-phenyl-(benzoxy-L-alaninyl)-phosphorochloridate 、
2-(N′,N′-dimethylformamidino)-9-[(2-hydroxyethoxy)methyl]-6-oxopurine 在
叔丁基氯化镁 作用下,
以
四氢呋喃 为溶剂,
以52%的产率得到benzyl ((2-((2-(((dimethylamino)methylene)amino)-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethoxy)(4-fluorophenoxy)phosphoryl)-L-alaninate