(2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-((26-amino-4,16-dioxo-6,9,12,18,21,24-hexaoxa-3,15-diazahexacosyl)thio)tetrahydro-2H-pyran-3,4,5-triyl triacetate   、                                                                                      
10,12-二十五碳二炔酸                                                                                                                                                              在
                                                                                                                                                                                 O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate   、                                                                                                  
N,N-二异丙基乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 0.08h,
                                                                                                                以73%的产率得到(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6S)-4,5-diacetoxy-2-(acetoxymethyl)-6-((4,16-dioxo-6,9,12-trioxa-3,15-diazatetraconta-25,27-diyn-1-yl)thio)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate