[6-(2,3-di-O-benzyl-1-ethylthio-β-D-glucopyranos-6-yl)-6-oxohexyl]-1-methyl-1H-imidazol-3-ium hexafluorophosphate 、
Bn(-2)[Bn(-3)][Bn(-4)][Bn(-6)]Glc(b1-4)[Bn(-2)][Bn(-3)][Bn(-6)]Glc(b)-O-C(NH)CCl3 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
以78%的产率得到(6-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-benzyl-α-D-glucopyranosyl-(1->4)-2,3-di-O-benzyl-1-ethylthio-β-D-glucopyranos-6(I)-yl)-6-oxohexyl)-1-methyl-1H-imidazol-3-ium hexafluorophosphate