N-{9-[(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-(tert-butyl-dimethyl-silanyloxy)-5-(2,2-dimethyl-propionyl)-tetrahydro-furan-2-yl]-9H-purin-6-yl}-benzamide 在
四丁基氟化铵 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
生成 Diisopropyl-phosphoramidous acid (2R,3S,5R)-5-(6-benzoylamino-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-2-(2,2-dimethyl-propionyl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester