octyl 2,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->2)-3,4,6-tri-O-benzoyl-α-D-mannopyranoside 、 6-O-acetyl-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->3)-2,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->3)-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl trichloroacetamidate 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以72%的产率得到octyl 6-O-acetyl-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl-(1->3)-2,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->3)-2,3,4-tri-O-benzoyl-α-D-mannopyranosyl (1->3)-2,4,6-tri-O-benzoyl-α-D-mannopyranosyl-(1->2)-3,4,6-tri-O-benzoyl-α-D-mannopyranoside