O-2,6-di-O-acetyl-3,4-di-O-benzyl-α-D-glucopyranosyl trichloroacetimidate 、
dimethyl(thexyl)silyl 6-O-benzyl-2-deoxy-2-(dimethylmaleimido)-3-O-levulinoyl-β-D-glucopyranoside 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以68%的产率得到dimethyl(thexyl)silyl 2,6-di-O-acetyl-3,4-di-O-benzyl-β-D-glucopyranosyl-(1->4)-6-O-benzyl-2-deoxy-2-(dimethylmaleimido)-3-O-levulinoyl-β-D-glucopyranoside