7-[(2S,3R,4S,5S,6R)-4,5-Dihydroxy-6-hydroxymethyl-3-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-2-(2,3-dihydroxy-4-methoxy-phenyl)-6-hydroxy-chromen-4-one 在
硫酸 、
potassium carbonate 作用下,
以
丙酮 为溶剂,
反应 36.0h,
生成
2',3',4',6,7-Pentamethoxy-isoflavon