甲基2,3,6-三-O-苄基-ALPHA-D-吡喃葡萄糖苷 、
benzimidazol-2-yl 3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroethoxy)carbamoyl-1-thio-β-D-glucopyranoside 在
silver trifluoromethanesulfonate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 1.5h,
以92%的产率得到methyl O-(3,4,6-tri-O-acetyl-2-deoxy-2-trichloroethoxycarbamoyl-β-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-α-D-glucopyranoside