benzyl (4S,6S,13S)-6-[(tert-butoxycarbonyl)amino]-14-methyl-9,15-dioxo-2,11-dioxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-13-carboxylate                                                                                                                                                              在
                                                                                                                                         palladium 10% on activated carbon                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以97%的产率得到(4S,6S,13S)-6-[(tert-butoxycarbonyl)amino]-14-methyl-9,15-dioxo-2,11-dioxa-8,14-diazatricyclo[14.3.1.04,8]icosa-1(20),16,18-triene-13-carboxylic acid