methyl (2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1-> 4)-[2,3-b](11,12-benzo-1,4,7,10,13,16-hexaoxacyclooctadeca-11-ene)-2,3,6-trideoxy-α-D-glucopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以98%的产率得到methyl β-D-galactopyranosyl-(1-> 4)-[2,3-b](11,12-benzo-1,4,7,10,13,16-hexaoxacyclooctadeca-11-ene)-2,3,6-trideoxy-α-D-glucopyranoside