乙酸酐 、 O-(2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-(3,6-di-O-acetyl-2-desoxy-2-phthalimido-β-D-glucopyranosyl)-(1->2)-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->6)-O-(3-O-acetyl-2,4-di-O-benzyl-β-D-mannopyranosyl)-(1->4)-1,6-anhydro... 在
吡啶 、
sodium methylate 、
一水合肼 作用下,
生成
、 O-(2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl)-(1->4)-O-(2-acetamido-3,6-di-O-acetyl-2-desoxy-β-D-glucopyranosyl)-(1->2)-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->6)-O-(3-O-acetyl-2,4-di-O-benzyl-β-D-mannopyranosyl)-(1->4)-1,6-anhydro...