Gal2Ac3Ac4Ac6Ac(b1-4)Glc2Ac3Ac6Ac(b1-4)[Bz(-2)][Bz(-3)][Bz(-6)]b-Glc1N 、
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25%的产率得到[(2R,3R,4S,5R,6R)-4,5-dibenzoyloxy-3-[(2S,3R,4S,5R,6R)-3,4-diacetyloxy-6-(acetyloxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-6-[[4-[[(2R,3R,4S,5R,6R)-3,4-dibenzoyloxy-6-(benzoyloxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4-diacetyloxy-6-(acetyloxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]oxyoxan-2-yl]carbamoyl]benzoyl]amino]oxan-2-yl]methyl benzoate