Methyl 2-fluoro-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylate 、
氢气 在
钯 钯 、 polycarbonate 、
二氯甲烷 作用下,
以
乙酸乙酯 为溶剂,
反应 24.0h,
以to give rel-(1R,2R,4S)-methyl 2-fluoro-7-oxabicyclo[2.2.1]heptane-2-carboxylate (2.10 g, 12.06 mmol, 90% yield) as a 3:1 endo/exo mixture的产率得到rel-(1R,2R,4S)-methyl 2-fluoro-7-oxabicyclo[2.2.1]heptane-2-carboxylate