2-Fluoro-8-(6-iodo-benzo[1,3]dioxol-5-ylmethyl)-9-[2-(4-trityloxy-butoxy)-ethyl]-9H-purin-6-ylamine 在
chloroform methanol 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 4.0h,
以to give the compound (6 mg, 35% yield)的产率得到4-{2-[6-Amino-2-fluoro-8-(6-iodo-benzo[1,3]dioxol-5-ylmethyl)-purin-9-yl]-ethoxy}-butan-1-ol