4-chlorophenyl [[(1S)-1-(1-methylethoxycarbonyl)ethyl]amino]phosphorochloridate 、
2-amino-7-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]-3H-imidazo[5,1-f][1,2,4]triazin-4-one 在
N-甲基咪唑 作用下,
以
四氢呋喃 为溶剂,
以50%的产率得到propan-2-yl (2S)-2-[[[(2R,3R,4R,5S)-5-(2-amino-4-oxo-3H-imidazo[5,1-f][1,2,4]triazin-7-yl)-3,4-dihydroxy-4-methyloxolan-2-yl]methoxy-(4-chlorophenoxy)phosphoryl]amino]propanoate