O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-O-6)>-O-(2-acetamido-4-O-acetyl-2-deoxy-β-D-galactopyranosyl)-(1->3)-L-serine 在
sodium hydroxide 作用下,
以
甲醇 、
水 为溶剂,
反应 3.0h,
以68%的产率得到O-β-D-galactopyranosyl-(1->3)-O-<(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonic acid)-(2->6)>-O-(2-acetamido-2-deoxy-β-D-galactopyranosyl)-(1->3)-L-serine