2-O-benzoyl-3,4,6-tri-O-benzyl-D-mannopyranosyl trichloroacetimidate 、
p-methoxyphenyl 2,4,6-tri-O-benzyl-α-D-mannopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α-D-mannopyranoside 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以87%的产率得到p-methoxyphenyl 2-O-benzoyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α-D-mannopyranosyl-(1->3)-2,4,6-tri-O-benzyl-α-D-mannopyranoside