phenyl 2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-1-thio-β-D-glucopyranoside 、
4-O-acetyl-2,3,6-tri-O-benzyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-benzyl-α-D-glucopyranosyl imidate 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
反应 27.5h,
以29.1%的产率得到phenyl 4-O-acetyl-2,3,6-tri-O-benzyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-benzyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-O-tri-O-methyl-1-thio-β-D-glucopyranoside