Abstract

Two novel flavanones with a lavandulyl residue, exiguaflavanones A and B, were isolated from the roots of Sophora exigua in addition to a known flavanone (sophoraflavanone G). The structure of the new flavanones was determined to be 5,7,2′,6′-tetrahydroxy-8-lavandulyl- (exiguaflavanone A) and 5,2′,6′-trihydroxy-8-lavandulyl-7-methoxyflavanone (exiguaflavanone B) by means of 2D NMR spectral analysis.

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