New 3-Methyoxyflavones, an Iridoid Lactone and a Flavonol from Duroia hirsuta

Investigation of the roots of Duroia hirsuta from Ecuador yielded the iridoid lactone duroin (1) together with 3,7,3‘,5‘-tetramethoxy-4‘-hydroxyflavone (2), 3,7,3‘-trimethoxy-4‘,5‘-dihydroxyflavone (3), and 7,3‘,5‘-trimethoxy-3,4‘-dihydroxyflavone (4) as novel constituents.

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1999-04, Vol.62 (4), p.560-562
Hauptverfasser:	Aquino, Rita, Tommasi, Nunziatina De, Tapia, Medardo, Lauro, Maria Rosaria, Rastrelli, Luca
Format:	Artikel
Sprache:	eng
Schlagworte:	allelochemicals Biological and medical sciences chemical constituents of plants chemical structure flavones flavonols Fundamental and applied biological sciences. Psychology Generalities, botany, ecology, damages, economic importance iridoids lactones nuclear magnetic resonance spectroscopy Parasitic plants. Weeds Phytopathology. Animal pests. Plant and forest protection roots Rubiaceae spectral analysis Weeds
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Beschreibung
Zusammenfassung:	Investigation of the roots of Duroia hirsuta from Ecuador yielded the iridoid lactone duroin (1) together with 3,7,3‘,5‘-tetramethoxy-4‘-hydroxyflavone (2), 3,7,3‘-trimethoxy-4‘,5‘-dihydroxyflavone (3), and 7,3‘,5‘-trimethoxy-3,4‘-dihydroxyflavone (4) as novel constituents.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np9803631