乙酸酐 、 sakuraso-saponin 在
吡啶 、
sodium methylate 、
三乙胺 作用下,
生成
1,2,3,4,6-alpha-D-葡萄糖五乙酸酯 、
3-O-acetyl-aegicerin 、
3β,16α-diacetoxy-13β,28-epoxyoleanane 、 (3R,4S,5R,6R)-6-(acetoxymethyl)-3-(((2S,3R,4R,5S,6S)-4,5-diacetoxy-6-methyl-3-(((2S,3R,4R,5S,6S)-3,4,5-triacetoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2,4,5-triyl triacetate