(1S,4R,6R,7S)-6-(2-iodo-6-methylaminopurin-9-yl)-4-[(di-t-butyl-phosphato)methyl]-7-(di-t-butyl-phosphato)-2-oxa-bicyclo[2.2.1]heptane 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以73%的产率得到(1S,4R,6R,7S)-phosphoric acid mono-[6-(2-iodo-6-methylaminopurin-9-yl)-4-phosphonooxymethyl-2-oxa-bicyclo[2.2.1]hept-7-yl] ester