4-deoxy-2,3,6-tri-O-benzyl-glucopyranosyl bromide 、 8-Methoxycarbonyloctyl 3-O-acetyl-4,6-O-benzylidene-α-D-glucopyranoside 以72.7%的产率得到8-Methoxycarbonyloctyl 4,6-O-benzylidene-3-O-acetyl-2-O-(4-deoxy-2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-α-D-glucopyranoside