乙酸酐 、
(2S,3R,4E)-1-<(β-D-galactopyranosyl)-(1-->4)-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1-->3)-(β-D-galactopyranosyl)-(1-->4)-β-D-glucopyranosyloxy>-2-(hexadecanoylamino)-4-octadecen-3-ol 在
吡啶 作用下,
反应 24.0h,
以78%的产率得到[(2R,3S,4R,5R,6S)-5-acetamido-4-acetyloxy-6-[(2R,3S,4S,5R,6S)-3,5-diacetyloxy-2-(acetyloxymethyl)-6-[(2R,3R,4S,5R,6R)-4,5-diacetyloxy-6-[(E,2S,3R)-3-acetyloxy-2-(hexadecanoylamino)octadec-4-enoxy]-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-4-yl]oxy-3-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate