9H-吡啶并[3,4-b]吲哚-3-羧酸   、                                                                                      
(2R,3R,4R,5R,6S)-6-(((1S,2R,3R,4R,6S)-2-((6-aminohexyl)amino)-4,6-diazido-3-(benzoyloxy)cyclohexyl)oxy)-5-azido-2-(azidomethyl)tetrahydro-2H-pyran-3,4-diyl dibenzoate                                                                                                                                                              在
                                                                                                                                                                                 
1-羟基苯并三唑   、                                                                                                  O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate   、                                                                                                  
N,N-二异丙基乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                                                        以50%的产率得到(2R,3R,4R,5R,6S)-6-(((1S,2R,3R,4R,6S)-2-((6-(9H-pyrido[3,4-b]indole-3-carboxamido)hexyl)amino)-4,6-diazido-3-(benzoyloxy)cyclohexyl)oxy)-5-azido-2-(azidomethyl)tetrahydro-2H-pyran-3,4-diyl dibenzoate