5-acetamido-3,5-dideoxy-Dglycero-α-D-galacto-2-nonulopyranosylonic acid-(2→6)-β-D-galactopyranosyl-(1→4)-2-deoxy-2-acetamido-β-D-glucopyranosyl-(1→2)-α-D-mannopyranosyl-(1→3)-[5-acetamido-3,5-dideoxy-Dglycero-α-D-galacto-2-nonulopyranosylonic acid-(2→6)-β-D-galactopyranosyl-(1→4)-2-deoxy-2-acetamido-β-D-glucopyranosyl-(1→2)-α-D-mannopyranosyl-(1→6)]-β-D-mannopyranosyl-(1→4)-2-acetamido-2-deoxy-D-glucopyranose 在
potassium phosphate 、
2-chloro-1,3-dimethyl-1H-benzimidazol-3-ium 作用下,
以
水 为溶剂,
反应 2.0h,
生成 5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonicacid-(2→6)-β-D-galactopyranosyl-(1→4)-2-deoxy-2-acetamido-β-D-glucopyranosyl-(1→2)-α-D-mannopyranosyl-(1→3)-[5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonicacid-(2→6)-β-D-galactopyranosyl-(1→4)-2-deoxy-2-acetamido-β-D-glucopyranosyl-(1→2)-α-D-mannopyranosyl-(1→6)]-β-D-mannopyranosyl-(1→4)-2-acetamido-2-deoxy-D-glucopyranose-2,1-D-oxazoline