2,3,4-tri-O-acetyl-6-O-<(diphenoxy)phosphoryl>-α-D-mannopyranosyl bromide 、
8-methoxycarbonyloctyl 2-O-benzyl-4,6-O-benzylidene-3-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-α-D-mannopyranoside 在
silver trifluoromethanesulfonate 、
1,1,3,3-四甲基脲 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 56.0h,
以56%的产率得到8-methoxycarbonyloctyl O-<2,3,4-tri-O-acetyl-6-O-(diphenoxy)phosphoryl-α-D-mannopyranosyl>-(1-2)-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1-3)-2-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside