4-O-acetyl-3-O-benzyl-2,6-O-pivaloyl-D-glucopyranosyl fluoride 、
phenyl 2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-1-thio-β-D-glucopyranoside 在
二氯二茂铪 silver perchlorate 作用下,
以
苯 为溶剂,
反应 3.5h,
以55%的产率得到phenyl 4-O-acetyl-3-O-benzyl-2,6-di-O-pivaloyl-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