3-O-Acetyl-4-O-(6-O-acetyl-2-azido-3,4-di-O-benzyl-2-desoxy-D-glucopyranosyl)-1,6-anhydro-2-azido-2-desoxy-β-D-galactopyranose 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以81%的产率得到1,6-Anhydro-2-azido-4-O-(2-azido-3,4-di-O-benzyl-2-desoxy-α-D-glucopyranosyl)-2-desoxy-β-D-galactopyranose