9-<(2-acetoxyethoxy)methyl>-N2-<2-(4-nitrophenyl)ethoxycarbonyl>-O6-<2-(4-nitrophenyl)ethyl>guanine 在
ammonium hydroxide 作用下,
以
1,4-二氧六环 、
甲醇 为溶剂,
以86%的产率得到9-<(2-hydroxyethoxy)methyl>-N
2-<2-(4-nitrophenyl)ethoxycarbonyl>-O
6-<2-(4-nitrophenyl)ethyl>guanine