5'-O-(monomethoxytrityl)-N
6-<2-(4-nitrophenyl)ethoxycarbonyl>-3'-O-<2-(4-nitrophenyl)ethylsulfonyl>adenylyl-<2'-
P-(2-cyanoethyl)>-5'>-3'-O-<(tert-butyl)dimethylsilyl>-N6-<2-(4-nitrophenyl)ethoxycarbonyl>-2'-O-<2-(4-nitrophenyl)ethylsulfonyl>a... 在
三氯乙酸 作用下,
以
二氯甲烷 为溶剂,
以88%的产率得到N6-<2-(4-nitrophenyl)ethoxycarbonyl>-3'-O-<2-(4-nitrophenyl)ethylsulfonyl>adenylyl-<2'-P-(2-cyanoethyl)>-5'>-3'-O-<(tert-butyl)dimethylsilyl>-N6-<2-(4-nitrophenyl)ethoxycarbonyl>-2'-O-<2-(4-nitrophenyl)ethylsulfonyl>adenosine