4-azidophenyl butyric acid 4-nitrophenyl ester   、                                                                                      
N-[[(1R,2R,3R,4S)-3-[(Z)-7-[2-[5-[(3aR,4R,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoyl]hydrazinyl]-7-oxohept-2-enyl]-7-oxabicyclo[2.2.1]heptan-2-yl]methyl]-2-aminoacetamide                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以88%的产率得到biotinylhydrazido[1S-[1α,2α(Z),3α,4α]]-7-[3-[[[[[(4-azidophenyl)propylcarbonyl]amino]acetyl]amino]methyl]-7-oxabicyclo[2.2.1]hept-2-yl]-5-heptenoate