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)-6-O-benzoyl-4-deoxy-β-D-mannohex-3-enopyranosyl 在
甲醇 、
sodium methylate 作用下,
以
四氢呋喃 、
二氯甲烷 为溶剂,
反应 6.0h,
以100%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)-4-deoxy-β-D-mannohex-3-enopyranosyl