3'-deoxy-5'-O-(monomethoxytrityl)-N
6-[2-(4-nitrophenyl)ethoxycarbonyl]adenylyl-(2'-{O
P-[2-(4-nitrophenyl)ethyl]}->5')-2'-O-(2-dansylethoxycarbonyl)-3'-deoxy-N
6-[2-(4-nitrophenyl)ethoxycarbonyl]adenosine 在
对甲苯磺酸 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 1.5h,
以87%的产率得到3'-deoxy-N
6-<2-(4-nitrophenyl)ethoxycarbonyl>adenylyl-<2'-
P-<2-(4-nitrophenyl)ethyl>>->5'>-2'-O-(2-dansylethoxycarbonyl)-3'-deoxy-N6-<2-(4-nitrophenyl)ethoxycarbonyl>adenosine