碘甲烷 、
1-<2-deoxy-2-fluoro-3-O-(3-pyridylcarbonyl)-β-D-ribofuranosyl>-(E)-5-(2-trimethylsilylvinyl)uracil 在
乙醚 作用下,
以
丙酮 为溶剂,
反应 16.0h,
以gave (E)-5-(2-trimethylsilylvinyl)-3′-O-(1-methylpyridinium-3-carbonyl)-2′-fluoro-2′-deoxyuridine iodide (31 mg, 90%) as yellow crystals, mp 172-174° C.的产率得到1-<2-deoxy-2-fluoro-3-O-(1-methylpyridinium-3-carbonyl)-β-D-ribofuranosyl>-(E)-5-(2-trimethylsilylvinyl)uracil iodide