6-{4-[1-benzyl-1H-(1,2,3)-triazole-4-yl]butyl}-3-(2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythropentofuranosyl)pyrrolo[2,3-d]pyrimidin-2(3H)one 、
2-氰乙基N,N-二异丙基氯亚磷酰胺 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
以56%的产率得到6-{4-[1-benzyl-1H-(1,2,3)-triazole-4-yl]butyl}-3-(2-deoxy-5-O-(4,4'-dimethoxytriphenylmethyl)-β-D-erythropentofuranosyl)pyrrolo[2,3-d]pyrimidin-2(3H)one 3'-[(2-cyanoethyl)-(N,N-diisopropyl)]phosphoramidite