2-(4-cyanophenyl)ethyl diisopropylphosphoramidochloridite 、
5'-O-{{2-{[5-(dimethylamino)naphthalen-1-yl]sulfonyl}ethoxy}carbonyl}-N6-methyl-N6-{[2-(4-mitrophenyl)ethoxy]carbonyl}-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenosine 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
以49%的产率得到5'-O-{{2-{[5-(dimethylamino)naphthalen-1-yl]sulfonyl}ethoxy}carbonyl}-N
6-methyl-N
6-{[2-(4-nitrophenyl)ethoxy]carbonyl}-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenosine 3'-[2-(4-cyanophenyl)ethyl] diisopropylphosphoramidite