(3R,8aS)-7-allyl-6-(benzyloxycarbonyl)-3-methyl-5-oxo-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               ammonium formate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                    反应 30.0h,
                                                                                                                生成                                                 
(3R,7S,8aS)-8a-methyl-5-oxo-3-phenyl-7-propyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine   、                                                                                             (3R,7R,8aS)-8a-methyl-5-oxo-3-phenyl-7-propyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridine