乙酸酐 、 methyl 2-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl)-3-O-(α/β-D-glucopyranosyl)-α-L-rhamnopyranoside 以
吡啶 为溶剂,
反应 18.0h,
以90%的产率得到Acetic acid (2S,3S,4R,5R,6R)-5-((2S,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxy)-6-methoxy-2-methyl-4-((3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl ester