4-(氯甲酰基)苯甲酸 、
(2R,3R,4S,5S,6R)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R)-3,5-diacetoxy-2-(acetoxymethyl)-6-aminotetrahydro-2H-pyran-4-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
生成 [(2R,3R,4S,5R,6R)-3,5-diacetyloxy-6-[[4-[[(2R,3R,4S,5R,6R)-3,5-diacetyloxy-6-(acetyloxymethyl)-4-[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]carbamoyl]benzoyl]amino]-4-[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate 、