allyl O-(4,5:7,8-di-O-cyclohexylidene-3-deoxy-N-methyl-α-D-manno-2-octulopyranosylonamide)-(2-6)-O-(2-azido-3-O-benzyl-2-deoxy-β-D-glucopyranosyl)-(1-6)-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranoside   、                                                                                      
氯磷酸二苯酯                                                                                                                                                              在
                                                                                                                                                                                 
4-二甲氨基吡啶   、                                                                                                  
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以97%的产率得到allyl O-(4,5:7,8-di-O-cyclohexylidene-3-deoxy-N-methyl-α-D-manno-2-octulopyranosylonamide)-(2-6)-O-(2-azido-3-O-benzyl-2-deoxy-4-O-diphenoxyphosphoryl-β-D-glucopyranosyl)-(1-6)-2-azido-3,4-di-O-benzyl-2-deoxy-α-D-glucopyranoside