3-{[(1S,2S)-2-hydroxy-1-(hydroxymethyl)-2-([1,2:3,4-di-O-isopropylidene-6-deoxy-α-L-galactopyranos-6-yl]carbamoyl)ethyl]carbamoyl}propanoic acid 在
三氟乙酸 作用下,
反应 3.0h,
生成
3-{[(1S,2S)-2-hydroxy-1-(hydroxymethyl)-2-([6-deoxy-β-L-galactopyranos-6-yl]carbamoyl)ethyl]carbamoyl}propanoic acid 、 3-{[(1S,2S)-2-hydroxy-1-(hydroxymethyl)-2-([6-deoxy-α-L-galactopyranos-6-yl]carbamoyl)ethyl]carbamoyl}propanoic acid