[Glabrizoflavone--a novel isoflavone from Glycyrrhiza glabra L].

7-O-Methylglabranin, 6-C-prenylpinocembrin, glabranin, pinocembrin, galangin, and a novel isoflavonoid, (E)-5,7,4'-trihydroxy-6-(3-hydroxymethyl-2-butenyl)isoflavone (glabrisoflavone) were isolated from the aerial parts of Glycyrrhiza glabra L. The structure of the novel isoflavonoid was elucidated on the basis of chemical transformations and spectral data.

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