phenyl (benzyloxy-dimethylglycinyl)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93%的产率得到benzyl 2-[[2-[[2-(dimethylaminomethylideneamino)-6-oxo-1H-purin-9-yl]methoxy]ethoxy-phenoxyphosphoryl]amino]-2-methylpropanoate