乙酸酐 、
4-O-<1D-(1,2,4/3,5)-5-C-Acetoxymethyl-2,3-di-O-acetyl-1,2,3,4-tetrahydroxy-4-O-methylcyclohexyl>-2,3-di-O-acetyl-1,6-anhydro-β-D-glucopyranose 在
三氟乙酸 作用下,
反应 72.0h,
以73%的产率得到4-O-<1D-(1,2,4/3,5)-5-C-Acetoxymethyl-2,3-di-O-acetyl-1,2,3,4-tetrahydroxy-4-O-methylcyclohexyl>-1,2,3,6-tetra-O-acetyl-α-D-glucopyranose