4,4'-双甲氧基三苯甲基氯 、 2'-deoxy-N
6-{[2-(4-nitrophenyl)ethoxy]{{3-{[2-(4-nitrophenyl)ethoxy]carbonyl}-4-{6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl}phenyl}amino}methylene}adenosine 在
吡啶 作用下,
反应 3.0h,
以87%的产率得到2'-deoxy-5'-O-(dimethoxytrityl)-N
6-{[2-(4-nitrophenyl)ethoxy]{{3-{[2-(4-nitrophenyl)ethoxy]carbonyl}-4-{6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl}phenyl}amino}methylene}adenosine