methyl 4,6-di-O-benzyl-2-O-(2,3,4,6-tetra-O-benzyl-α-D-galactopyranosyl)-3-O-(2,3,4,6-tetra-O-benzyl-β-D-glucopyranosyl)-α-D-glucopyranoside 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 、
乙酸乙酯 为溶剂,
反应 36.0h,
以70%的产率得到methyl 2-O-α-D-galactopyranosyl-3-O-β-D-glucopyranosyl-α-D-glucopyranoside