2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->4)-2,3,6-tri-O-benzoyl-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-acetyl-β-D-glucopyranosyl amine 、
对苯二甲酰氯 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
以56%的产率得到[(2R,3R,4S,5R,6S)-4,5-dibenzoyloxy-6-[(2R,3R,4S,5R,6R)-3,5-diacetyloxy-2-(acetyloxymethyl)-6-[[4-[[(2R,3R,4S,5R,6R)-3,5-diacetyloxy-6-(acetyloxymethyl)-4-[(2S,3R,4S,5R,6R)-3,4-dibenzoyloxy-6-(benzoyloxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxyoxan-2-yl]oxyoxan-2-yl]carbamoyl]benzoyl]amino]oxan-4-yl]oxy-3-[(2S,3R,4S,5S,6R)-3,4,5-tribenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl benzoate