N-benzyl-N-benzyloxycarbonyl-3-aminopropyl 2-azido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-1-thio-α-L-idopyranoside 、 在
silver trifluoromethanesulfonate 、
4-甲基苯硫氯 作用下,
以
乙醚 、
二氯甲烷 为溶剂,
反应 2.16h,
生成 N-benzyl-N-benzyloxycarbonyl-3-aminopropyl 2-azido-3,4,6-tri-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-β-D-glucopyranosyl-(1->4)-2-azido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-β-D-glucopyranosyl-2-azido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-α-L-idopyranoside