benzyl 4-O-acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranosyl-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以98%的产率得到benzyl 3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranosyl-(1->4)-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-galactopyranoside