4-O-acetyl-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-D-glucopyranosyl fluoride 、
phenyl 3-O-benzyl-2,6-O-pivaloyl-1-thio-β-D-glucopyranoside 在
二氯二茂铪 silver perchlorate 作用下,
以
苯 为溶剂,
反应 2.5h,
以32%的产率得到phenyl 4-O-acetyl-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-3-O-benzyl-2,6-di-O-pivaloyl-1-thio-β-D-glucopyranoside