methyl (2,3,6-tri-O-benzoyl-4-deoxy-β-D-xylo-hexopyranosyl)-(1->4)-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside 、
乙酸酐 在
吡啶 作用下,
以98%的产率得到methyl (2,3,6-tri-O-benzoyl-4-deoxy-β-D-xylo-hexopyranosyl)-(1->4)-3-O-acetyl-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside