methyl (1S,2R)-1,2-isopropylidenedioxy-1,2,3,5,6,7-hexahydro-5-indolizinone-8-carboxylate                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                            20.0 ℃
                                                                                                                            、1.52 MPa
                                                                                条件下,
                                                                                                                反应 24.0h,
                                                                                                                以94%的产率得到methyl (1S,2R,8S,8aR)-1,2-isopropylidenedioxy-1,2,3,5,6,7,8,8a-octahydro-5-indolizinone-8-carboxylate