Studies on the Constituents of Sophora Species. XVIII. Constituents of the Root of Sophora tomentosa L. (3)

A new chromone, named sophorachromone A (I), mp 138-139°C, C19H22O4, and a new flavanone, named sophoraflavanone A (II), mp 144-145°C, C25H28O5, were isolated together with isosophoranone (III) from the root of Sophora tomentosa L. (Leguminosae). The structures of I and II were established to be 8-g...

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Veröffentlicht in:	Chemical & pharmaceutical bulletin 1983/08/25, Vol.31(8), pp.2859-2863
Hauptverfasser:	SHIRATAKI, YOSHIAKI, ENDO, MASAAKI, YOKOE, ICHIRO, KOMATSU, MANKI
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical, structural and metabolic biochemistry Aromatic and heterocyclic compounds Biological and medical sciences C-NMR Fundamental and applied biological sciences. Psychology Heterocyclic compounds, pigments Other biological molecules
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Beschreibung
Zusammenfassung:	A new chromone, named sophorachromone A (I), mp 138-139°C, C19H22O4, and a new flavanone, named sophoraflavanone A (II), mp 144-145°C, C25H28O5, were isolated together with isosophoranone (III) from the root of Sophora tomentosa L. (Leguminosae). The structures of I and II were established to be 8-geranyl-5, 7-dihydroxychromone and 6-geranyl-5, 7, 4'-trihydroxyflavanone, respectively, on the basis of chemical and spectral evidence.
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.31.2859