乙酸酐 、 在
吡啶 作用下,
反应 24.0h,
以58%的产率得到tert-Butyldimethylsilyl O-(2,3,4-tri-O-Acetyl-6-deoxy-β-D-glucopyranosyl)-(1-2)-(3,4,6-tri-O-acetyl-β-D-galactopyranosyl)-(1-4)-<(2,3,4-tri-O-acetyl-6-deoxy-β-D-glucopyranosyl)-(1-2)>-3-O-acetyl-β-D-xylopyranosyl-(1-3)-2,4-di-O-acetyl-6-deoxy-β-D-g