benzyl O-(2-O-benzoyl-4-O-benzyl-β-D-mannopyranosyl)-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalamido-β-D-glucopyranoside 、
2,3,4-tri-O-benzoyl-6-deoxy-6-fluoro-α-D-mannopyranosyl trichloroacetimidate 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
以86%的产率得到benzyl 2,3,4-tri-O-benzoyl-6-deoxy-6-fluoro-α-D-mannopyranosyl-(1→3)-[2,3,4-tri-O-benzoyl-6-deoxy-6-fluoro-α-D-mannopyranosyl-(1→6)]-2-O-benzoyl-4-O-benzyl-β-D-mannopyranosyl-(1→4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside