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