2-(trimethylsilyl)ethyl O-(3-O-allyl-2,4-di-O-toluoyl-β-D-glucopyranosyl)-(1->6)-2,3,4-tri-O-toluoyl-β-D-glucopyranoside 、
O-[(3-O-allyl-6-O-levulinoyl-2,4-di-O-toluoyl-β-D-glucopyranosyl)-(1->6)-2,3,4-tri-O-toluoyl-α-D-glucopyranosyl)]trichloroacetamidate 在
MS AW-300 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以89%的产率得到2-(trimethylsilyl)ethyl O-(3-O-allyl-6-O-levylinoyl-2,4-di-O-toluoyl-β-D-glucopyranosyl)-(1->6)-O-(2,3,4-tri-O-toluoyl-β-D-glucopyranosyl)-(1->6)-O-(3-O-allyl-2,4-di-O-toluoyl-β-D-glucopyranosyl)-(1->6)-2,3,4-tri-O-toluoyl-β-D-glucopyranoside