5-fluoro-1-((3aR,4R,6R,6aR)-6-((methoxymethoxy)methyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione 在
碘 、
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
以92%的产率得到5-Fluoro-6-iodo-1-((3aR,4R,6R,6aR)-6-methoxymethoxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-1H-pyrimidine-2,4-dione