5-azidopentyl 2-O-benzyl-4,6-O-benzylidene-3-O-(2-naphthylmethyl)-β-D-mannopyranosyl-(1>4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1>4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 在
三氟化硼乙醚 、
乙硫醇 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
以87%的产率得到5-azidopentyl 2-O-benzyl-3-O-(2-naphthylmethyl)-β-D-mannopyranosyl-(1>4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1>4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-α-D-glucopyranoside