O-(2'-acetamido-3',4',6'-tri-O-acetyl-2'-deoxy-β-D-glucopyranosyl)-(1'->3)-4,6-di-O-acetyl-2-azido-2-deoxy-α-D-galactopyranosyl bromide                                                                                                                                                              在
                                                                                                                                                                                 
silver trifluoromethanesulfonate   、                                                                                                  
copper(II) sulfate   、                                                                                                  
溶剂黄146   、                                                                                                  
锌                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 15.17h,
                                                                                                                生成                                                 N
α-(fluoren-9-ylmethoxycarbonyl)-O-[O-(2'-acetamido-3',4',6'-tri-O-acetyl-2'-deoxy-β-D-glucopyranosyl)-(1'->3)-2-acetamido-4,6-di-O-acetyl-2-deoxy-α-D-galactopyranosyl]-L-threonine pentafluorophenyl ester