(R)-N,N'-(6-((2-(2,3-bis(benzyloxy)benzamido)ethyl)amino)-6-oxohexane-1,5-diyl)bis(2,3-bis(benzyloxy)benzamide)                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氮                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以95%的产率得到N-[(5R)-5-[(2,3-dihydroxybenzoyl)amino]-6-[2-[(2,3-dihydroxybenzoyl)amino]ethylamino]-6-oxohexyl]-2,3-dihydroxybenzamide