allyl O-(2,3-di-O-benzyl-α-D-galactopyranosyl)-<(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)>4-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside 、
乙酰氯 以
吡啶 为溶剂,
反应 1.5h,
以85.2%的产率得到allyl O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)-<(1->4)-O-(6-O-acetyl-2,3-di-O-benzyl-α-D-galactopyranosyl)>4-(1->4)-6-O-acetyl-2,3-di-O-benzyl-β-D-galactopyranoside