5-ethynyl-1-{4-fluoro-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydrofuran-2-yl}-1H-pyrimidine-2,4-dione 在
一氯化碘 作用下,
以
乙腈 为溶剂,
以53%的产率得到5-(1-chloro-2-iodo-vinyl)-1-{4-fluoro-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydrofuran-2-yl}-1H-pyrimidine-2,4-dione