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