2-氰乙基N,N-二异丙基氯亚磷酰胺 、
N6-benzoyl-9-[2'-deoxy-β-D-glycero-tetrofuranosyl]-8-[(4,4'-dimethoxytrityloxy)methyl]adenine 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以80%的产率得到N
6-benzoyl-9-[2'-deoxy-β-D-glycero-tetrofuranosyl]-8-[(4,4'-dimethoxytrityloxy)methyl]adenine 3'-[(2-cyanoethyl)diisopropylphosphoramidite]