3-O-methyl-2,4,6-tri-O-benzyl-glucopyranosyl bromide 、 8-Methoxycarbonyloctyl 3-O-acetyl-4,6-O-benzylidene-α-D-glucopyranoside 以72.6%的产率得到8-Methoxycarbonyloctyl 4,6-O-benzylidene-3-O-acetyl-2-O-(3-O-methyl-2,4,6 tri-O-benzyl-α-D-glucopyranosyl)-α-D-glucopyranoside