<9-<3'-azido-3'-deoxy-5'-O-(monomethoxytrityl)-β-D-xylofuranosyl>-N
6-<2-(4-nitrophenyl)ethoxycarbonyl>adenin>-2'-yl-<2'-
P-<2-(4-nitrophenyl)ethyl>-> 5'>-<9-(3'-azido-3'-deoxy-β-D-xylofuranosyl)-N6-<2-(4-nitrophenyl)ethoxycarbonyl>adenin>-2... 在
对甲苯磺酸 作用下,
以
甲醇 、 二氯甲烷 为溶剂,
反应 0.75h,
以93%的产率得到<9-(3'-azido-3'-deoxy-β-D-xylofuranosyl)-N6-<2-(4-nitrophenyl)ethoxycarbonyl>adenin>-2'-yl-<2'-P-<2-(4-nitrophenyl)ethyl>>-> 5'>-<9-(3'-azido-3'-deoxy-β-D-xylofuranosyl)-N6-<2-(4-nitrophenyl)ethoxycarbonyl>adenin>-2'-yl-<2'-P-<2-(4-nit...