benzyl-2,3,4-tri-O-benzoyl-α-L-rhamnopyranosyl-(1→2)-[2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1→4)]-3-hydroxyl-α-L-arabinopyranoside 、
苯甲酰氯 在
吡啶 作用下,
以89%的产率得到benzyl-2,3,4-tri-O-benzoyl-α-L-rhamnopyranosyl-(1→2)-[2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1→4)]-3-O-benzoyl-α-L-arabinopyranoside