1,2,3,4-tetra-O-acetyl-6-O-<2,3,4-tri-O-acetyl-6-O-<2,3,4-tri-O-acetyl-6-O-(chloroacetyl)-β-D-galactopyranosyl>-β-D-galactopyranosyl>-D-galactopyranose 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以92 mg的产率得到6-O-(6-O-β-D-galactopyranosyl-β-D-galactopyranosyl)-D-galactopyranose