[(2S,3R,4R,5S,6S)-4-[[(4aR,6R,7R,8S,8aR)-2,2-dimethyl-7,8-bis(phenylmethoxy)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-6-methyl-5-phenylmethoxy-2-(2,2,2-trichloroethanimidoyl)oxyoxan-3-yl] acetate 、
octyl 2,3-di-O-benzyl-4,6-O-isopropylidene-α-D-glucopyranosyl-(1->6)-2-acetamido-2-deoxy-α-D-glucopyranoside 在
硫酸 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以1 g的产率得到octyl 2,3-di-O-benzyl-4,6-O-isopropylidene-α-D-glucopyranosyl-(1->3)-2-O-acetyl-4-O-benzyl-α-L-rhamnopyranosyl-(1->3)-2-acetamido-2-deoxy-6-O-(2,3-di-O-benzyl-4,6-O-isopropylidene-α-D-glucopyranosyl)-α-D-glucopyranoside