7-(9-{5-[bis(4-methoxyphenyl)phenylmethoxymethyl]-4-hydroxytetrahydrofuran-2-yl}-6-oxo-6,9-dihydro-1H-purin-2-ylamino)-6H-benzo[f][1,3]dioxolo[4',5':4,5]benzo[1,2,3-cd]indol-5-one 、
双(二异丙基氨基)(2-氰基乙氧基)膦 在
四氮唑 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以100%的产率得到diisopropylphosphoramidous acid 2-[bis(4-methoxyphenyl)phenylmethoxymethyl]-5-[6-oxo-2-(5-oxo-5,6-dihydrobenzo[f][1,3]dioxolo[4',5':4,5]benzo[1,2,3-cd]indol-7-ylamino)-1,6-dihydropurin-9-yl]tetrahydrofuran-3-yl ester 2-cyanoethyl ester