Mob(-3)[Mob(-4)][Mob(-6)]Man2Ac-O-C(NH)CCl3 、
phenyl [6-O-(tert-butyldiphenylsilyl)-3,4-di-O-(p-methoxybenzyl)-α-D-mannopyranosyl]-(1->2)-[3,4,6-tri-O-(p-methoxybenzyl)-α-D-mannopyranosyl]-(1->6)-2-O-allyl-3,4-di-O-(p-methoxybenzyl)-1-thio-α-D-mannopyranoside 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.17h,
以44%的产率得到phenyl [2-O-acetyl-3,4,6-tri-O-(p-methoxybenzyl)-α-D-mannopyranosyl]-(1->2)-[6-O-(tert-butyldiphenylsilyl)-3,4-di-O-(p-methoxybenzyl)-α-D-mannopyranosyl]-(1->2)-[3,4,6-tri-O-(p-methoxybenzyl)-α-D-mannopyranosyl]-(1->6)-2-O-allyl-3,4-di-O-(p-methoxybenzyl)-1-thio-α-D-mannopyranoside