2-氰乙基N,N-二异丙基氯亚磷酰胺 、
N'-(8-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-2-oxo-2,8-dihydro-imidazo[1,2-a][1,3,5]triazin-4-yl)-N,N-dimethyl-formamidine 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以66%的产率得到Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-[4-(dimethylamino-methyleneamino)-2-oxo-2H-imidazo[1,2-a][1,3,5]triazin-8-yl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester