2-O-acetyl-3-O-p-methoxybenzyl-4-O-tert-butyldiphenylsilyl-α-L-rhamnopyranosyl trichloroacetimidate 、
1-(methoxycarbonyl)pentadec-10(S)-yl 3,4,6-tri-O-p-methoxybenzyl-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 0.08h,
以85%的产率得到1-(methoxycarbonyl)pentadec-10(S)-yl 2-O-acetyl-3-O-p-methoxybenzyl-4-O-tert-butyldiphenylsilyl-α-L-rhamnopyranosyl-(1->2)-3,4,6-tri-O-p-methoxybenzyl-β-D-glucopyranoside