2-氰乙基N,N-二异丙基氯亚磷酰胺 、
5'-O-(4,4'-dimethoxytrityl)-5-(N-heptyl)carbamoylmethyl-2'-deoxyuridine 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以64.9%的产率得到3'-O-[(2-cyanoethyl)(diisopropylamino)]phosphino-5'-O-(4,4'-dimethoxytrityl)-5-(N-heptyl)carbamoylmethyl-2'-deoxyuridine