4-methoxyphenyl 2,3-di-O-benzoyl-4,6-O-[(R)-1-methoxycarbonylethylidene]-β-D-galactopyranosyl-(1->4)-3,6-di-O-benzoyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 在
ceric ammonium nitrate 作用下,
以
水 、
乙腈 为溶剂,
反应 0.5h,
以77%的产率得到2,3-di-O-benzoyl-4,6-O-[(R)-1-methoxycarbonylethylidene]-β-D-galactopyranosyl-(1->4)-3,6-di-O-benzoyl-2-deoxy-2-phthalimido-β-D-glucopyranose