(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-(2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1->4)-[α-L-fucopyranosyl-(1->3)]-2-O-acetyl-1,5-dideoxy-1,5-imino-D-glucitol 在
sodium methylate 、
氢氧化钾 作用下,
以
甲醇 、
水 为溶剂,
以17.8 mg的产率得到(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonic acid)-(2->3)-(β-D-galactopyranosyl)-(1->4)-[α-L-fucopyranosyl-(1->3)]-1,5-dideoxy-1,5-imino-D-glucitol