2-trifluoroacetamidoethyl [methyl(3-O-acetyl-2,4-di-O-benzoyl-β-D-glucopyranosyl)uronate]-(1->3)-(2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2-acetamido-2-deoxy-β-D-glucopyranoside 、
苯甲酸酐 在
吡啶 、
4-二甲氨基吡啶 作用下,
反应 24.0h,
以96%的产率得到trifluoroacetamidoethyl [methyl(3-O-acetyl-2,4-di-O-benzoyl-β-D-glucopyranosyl)uronate]-(1->3)-(2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2-acetamido-3,6-di-O-benzoyl-2-deoxy-β-D-glucopyranoside