、
5-azidopentyl 2-O-benzyl-4,6-O-benzylidene-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
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 0.67h,
以78%的产率得到5-azidopentyl O-[3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl]-(1>2)-3,4,6-tri-O-acetyl-β-D-mannopyranosyl-(1>3)-O-(2-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl)-(1>4)-O-(3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1>4)-O-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside