Methyl O-(2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl)-(1->4)-O-(2,3,6-tri-O-acetyl-β-D-glucopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside 在
sodium methylate 作用下,
以
甲醇 、
乙醚 为溶剂,
反应 16.0h,
以78%的产率得到Methyl O-(α-D-glucopyranosyl)-(1->4)-O-(β-D-glucopyranosyl)-(1->4)-O-(2,3,6-tri-O-benzyl-α-D-glucopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside