Methyl O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-glucopyranosyl)-(1->6)-O-(2,3,4-tri-O-benzyl-α-D-glucopyranosyl)-(1->6)-2,4-di-O-benzyl-3-deoxy-α-D-ribo-hexopyranoside 在
sodium methylate 作用下,
以
甲醇 、
甲苯 为溶剂,
以92%的产率得到Methyl O-(2,3,4-tri-O-benzyl-α-D-glucopyranosyl)-(1->6)-O-(2,3,4-tri-O-benzyl-α-D-glucopyranosyl)-(1->6)-2,4-di-O-benzyl-3-deoxy-α-D-ribo-hexopyranoside