(10R)-2-nonadecanone-10-yl 3,4,6-tri-O-benzyl-β-D-glucopyranoside 、 3,4-di-O-benzyl-6-deoxy-β-D-talopyranosyl-(1->6)-2-O-[2-(azidomethyl)benzoyl]-3,4-di-O-butyryl-β-D-glucopyranosyl trichloroacetimidate 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以76%的产率得到(10R)-2-nonadecanone-10-yl 3,4-di-O-benzyl-6-deoxy-β-D-talopyranosyl-(1->6)-2-O-[(2-O-azidomethyl)benzoyl]-3,4-di-O-butyryl-β-D-glucopyranosyl-(1->2)-3,4,6-tri-O-benzyl-β-D-glucopyranoside