[(2-acetamido-2-deoxy-β-D-glucopyranosyl-(1â 2)-α-D-mannopyranosyl)-(1â 6)]-[2-acetamido-2-deoxy-β-D-glucopyranosyl-(1â 2)-α-D-mannopyranosyl-(1â 3)]-β-D-mannopyranosyl-(1â 4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1â 4)-2-acetamido-2-deoxy-α,β-D-glucopyranose 在
2,6-二甲基吡啶 、 sodium azide 、 2-chloro-1,3-dimethylimidazoline chloride 作用下,
以
水 为溶剂,
以83 %的产率得到O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->2)-O-α-D-mannopyranosyl-(1->3)-{O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->2)-O-α-D-mannopyranosyl-(1->6)}-O-β-D-mannopyranosyl-(1->4)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->4)-2-acetamido-2-deoxy-β-D-glucopyranosylazide