benzyl 2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-benzoyl-β-D-glucopyranosyl-(1->3)-4,6-di-O-benzoyl-β-D-mannopyranoside 在
sodium methylate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 6.0h,
以96%的产率得到benzyl β-D-glucopyranosyl-(1->3)-β-D-glucopyranosyl-(1->3)-β-D-glucopyranosyl-(1->3)-β-D-glucopyranosyl-(1->3)-β-D-glucopyranosyl-(1->3)-β-D-mannopyranoside