5'-O-(4,4'-dimethoxytrityl)-5-(3-(6-N1-(2-((4-(methylamino)anthraquinone)amino)ethyl)succinamidohexamide)propynyl)-2'-deoxyuridine 、
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 2.5h,
以93%的产率得到5'-O-(4,4'-dimethoxytrityl)-5-(3-(6-N1-(2-((4-(methylamino)anthraquinone)amino)ethyl)succinamidohexamide)propynyl)-3'-O-(2-cyanoethyl-N,N-diisopropylphosphoramidyl)-2'-deoxyuridine