ethyl (1R,5R,6R)-5-methyl-2-oxo-4-(4-phenylmethoxybutyl)-1-propan-2-yl-8-oxabicyclo[3.2.1]oct-3-ene-6-carboxylate 在
platinum(IV) oxide 、
氢气 作用下,
以
苯 为溶剂,
23.0 ℃
、101.33 kPa
条件下,
反应 24.0h,
以88%的产率得到ethyl (1R,4R,5S,6R)-5-methyl-2-oxo-4-(4-phenylmethoxybutyl)-1-propan-2-yl-8-oxabicyclo[3.2.1]octane-6-carboxylate