O-(3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1*4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-1-β-D-glucopyranosyl azide 、 2,4,6-tri-O-acetyl-3-O-(N-phenylcarbamoyl)-α-D-glucopyranosyl fluoride 在
4 A molecular sieve 、
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
反应 7.0h,
以85.4%的产率得到O-(2,4,6-tri-O-acetyl-3-O-(N-phenylcarbamoyl)-β-D-glucopyranosyl)-(1->4)-O-(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-glucopyranosyl azide