3,3’-二硫代双(磺酸琥珀酰亚氨基丙酸酯) 、 5-aminopentyl 2-acetamido-4,6-O-[(S)-1-carboxylethylidene]-2-deoxy-β-D-mannopyranosyl-(1→4)-2-acetamido-3-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1→6)-2-acetamido-2-deoxy-α-glucopyanoside 在
sodium hydroxide 、
1,4-dithio-D,L-threitol 作用下,
以
水 为溶剂,
反应 1.5h,
以82%的产率得到3-mercapto-N-pentylpropionamido 2-acetamido-4,6-O-[(S)-1-carboxylethylidene]-2-deoxy-β-D-mannopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→6)-2-acetamido-2-deoxy-α-glucopyanoside