6-O-acetyl-2-azido-2-deoxy-3,4-di-O-methyl-α,β-D-glucopyranose trichloroacetimidate 、 methyl(methyl 2,3-di-O-methyl-β-D-glucopyranosyluronate)-(1-4)-(2,3,6-tri-O-acetyl-α-D-glucopyranosyl)-(1-4)-(methyl 2,3-di-O-methyl-α-L-idopyranosyluronate)-(1-4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside 在
叔丁基二甲硅基三氟甲磺酸酯 作用下,
以
乙醚 、
二氯甲烷 为溶剂,
反应 0.67h,
生成 methyl(6-O-acetyl-2-azido-2-deoxy-3,4-di-O-methyl-α-D-glucopyranosyl)-(1-4)-(methyl 2,3-di-O-methyl-β-D-glucopyranosyluronate)-(1-4)-(2,3,6-tri-O-acetyl-α-D-glucopyranosyl)-(1-4)-(methyl 2,3,6-tri-O-methyl-α-L-idopyranosyluronate)-(1-4)-2,3,6-tri-O-acetyl-α-D-glucopyranoside