(4S,14S)-19-benzyl-4,14-dimethyl-3,6,9,12,15-pentaoxa-18,19,20-triazabicyclo<15.2.1>eicosa-1(20),17-diene-2,16-dione                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                            25.0 ℃
                                                                                                                            、7.58 MPa
                                                                                条件下,
                                                                                                                                                    以22%的产率得到(4S,14S)-(-)-4,14,dimethyl-3,6,9,12,15-pentaoxa-18,19,20-triazabicyclo<15.2.1>eicosa-1(20),17-diene-2,16-dione