prop-2-enyl O-3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-glucopyranosyl-(1->4)-O-3-O-acetyl-2-(acetylamino)-2-deoxy-β-D-glucopyranosyl-(1->2)-5-O-prop-2-enyl-β-D-glucofuranosidurono-6,3-lactone                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
4-二甲氨基吡啶   、                                                                                                  sodium azide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 prop-2-enyl O-3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-β-D-glucopyranosyl-(1->4)-O-3-O-acetyl-2-(acetylamino)-6-azido-2,6-dideoxy-β-D-glucopyranosyl-(1->2)-5-O-prop-2-enyl-β-D-glucofuranosidurono-6,3-lactone