Allyl (2-acetamido-2-deoxy-β-D-galactopyranosyl)-(1->6)-[(β-D-glucopyranosyluronic acid)-(1->3)]-(2-acetamido-2-deoxy-β-D-galactopyranosyl)-(1->6)-[(β-D-glucopyranosyluronic acid)-(1->3)]-2-acetamido-2-deoxy-β-D-galactopyranoside 在
sodium phosphate buffer 、
水 作用下,
以
乙醇 为溶剂,
反应 20.5h,
生成 (2S,3S,4S,5R,6R)-6-[(2R,3R,4R,5R,6R)-5-acetamido-2-[[(2R,3R,4R,5R,6R)-3-acetamido-6-[[(2R,3R,4R,5R,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3R,4S,5S,6S)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]oxy-5-hydroxyoxan-2-yl]oxymethyl]-6-[3-[2-[(2-ethoxy-3,4-dioxocyclobuten-1-yl)amino]ethylsulfanyl]propoxy]-3-hydroxyoxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid