6-O-tert-butyl 5-O-methyl (3S,5S,6S,9S,11S)-11-azido-2,8-dioxo-1,7-diazatricyclo[7.3.0.03,7]dodecane-5,6-dicarboxylate                                                                                                                                                              在
                                                                                                                                                                                 palladium 10% on activated carbon   、                                                                                                  
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以94%的产率得到6-O-tert-butyl 5-O-methyl (3S,5S,6S,9S,11S)-11-amino-2,8-dioxo-1,7-diazatricyclo[7.3.0.03,7]dodecane-5,6-dicarboxylate