p-tolyl 2-azido-3-O-benzyl-4-O-tert-butyldimethylsilyl-2-deoxy-6-O-(2,2,2-trichloroethylsulfuryl)-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-1-thio-α-L-idopyranoside 、 N-(benzyl)benzyloxycarbonyl-3-aminopropyl 6-O-acetyl-2-azido-3-O-benzyl-2-deoxy-α-D-glucopyranosyl-(1→4)-2-O-benzoyl-3-O-benzyl-6-levulinoyl-α-L-idopyranoside 在
silver trifluoromethanesulfonate 、
4-甲基苯硫氯 作用下,
以
二氯甲烷 、
乙腈 为溶剂,
反应 2.16h,
以82%的产率得到N-(benzyl)-benzyloxycarbonyl-3-aminopropyl 2-azido-3-O-benzyl-4-O-tert-butyldimethylsilyl-2-deoxy-6-O-(2,2,2-trichloroethylsulfuryl)-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-1-thio-α-L-idopyranoside-(1->4)-6-O-acetyl-2-azido-3-O-benzyl-4-O-tert-butyldimethylsilyl-2-deoxy-α-D-glucopyranosyl-(1->4)-2-O-benzoyl-3-O-benzyl-6-O-levulinoyl-α-L-idopyranoside