(3aS,4R,6aR)-4-[2-chloro-6-(3-iodobenzylamino)purin-9-yl]-2,2-dimethyltetrahydrothieno[3,4-d][1,3]dioxole-4-carboxylic acid methylamide 在
ammonia methanol 、 silica gel 作用下,
以
溶剂黄146 为溶剂,
反应 12.0h,
以to obtain 20 mg (yield: 52%) of (2R,3S,4R)-2-[2-chloro-6-(3-iodobenzylamino)purin-9-yl)-3,4-dihydroxytetrahydrothiophene-2-carboxylic acid methyl amide as white solids (see Table 1)的产率得到(1R,2S,3R)-2-[2-chloro-6-(3-iodobenzylamino)-purin-9-yl]-3,4-dihydroxy-tetrahydro-thiophene-2-carboxylic acid methylamide