2,3,4-tri-O-benzoyl-6-O-chloroacetyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-β-D-galactopyranosyl-(1->1)-(2S,3R,4E)-3-O-benzoyl-2-hexadecanamido-4-octadecene-1,3-diol 在
吡啶 、
硫脲 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以79%的产率得到2,3,4-tri-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-β-D-galactopyranosyl-(1->1)-(2S,3R,4E)-3-O-benzoyl-2-hexadecanamido-4-octadecene-1,3-diol