2-Chloro-4-(2,2-dimethyl-1,3-dioxan-5-ylmethoxyamino)-5-formamidopyrimidine 在
甲醇 、 silica gel 作用下,
以
乙酸二乙氧基甲酯 为溶剂,
反应 3.0h,
以Column chromatography on silica gel (eluted with chloroform-methanol, 60:1) gave the title compound (2.27 g, 70%)的产率得到2-Chloro-9(2,2-dimethyl-1,3-dioxan-5-ylmethoxy)purine