4-methoxyphenyl(2,3,4-tri-O-p-toluoyl-β-D-glucopyranosyl)-(1->3)-(4,6-di-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->4)-2,3-di-O-p-toluoyl-β-D-glucopyranoside 在
重铬酸吡啶 、
乙酸酐 作用下,
以
二氯甲烷 为溶剂,
反应 7.0h,
以78%的产率得到4-methoxyphenyl(2,3,4-tri-O-p-toluoyl-β-D-glucopyranosyluronic acid)-(1->3)-(4,6-di-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->4)-2,3-di-O-p-toluoyl-β-D-glucopyranosyluronic acid