p-methoxyphenyl (α-D-glucopyranosyl)-(1→3)-(2-amino-2-deoxy-α-D-glucopyranosyl)-(1→2)-(α-L-rhamnopyranosyl)-(1→2)-(α-L-rhamnopyranosyl)-(1→2)-α-L-rhamnopyranoside 、
乙酸酐 以
甲醇 为溶剂,
反应 1.0h,
以300 mg的产率得到p-methoxyphenyl (α-D-glucopyranosyl)-(1→3)-(2-acetamido-2-deoxy-α-D-glucopyranosyl)-(1→2)-(α-L-rhamnopyranosyl)-(1→2)-(α-L-rhamnopyranosyl)-(1→2)-α-L-rhamnopyranoside