A New Prenylated Acetophenone from the Root Bark of Derris indica

A new acetophenone, 1-[2,4-dihydroxy-5-(3-methylbut-2-enyl)phenyl]ethanone (1) was isolated from the root bark of Derris indica, along with 3,7,-dimethoxy-3’,4’-methylenedioxyflavone (desmethoxykanugin) (2), 5-methoxyfurano[4″, 5″: 6, 7] flavone (pinnatin) (3), and 3′-hydroxyfurano[4″,5″:7,8]flavone...

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Veröffentlicht in:	Natural product communications 2012-10, Vol.7 (10), p.1325-1326
Hauptverfasser:	Edayadulla, Naushad, Ramesh, Penugonda
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetophenones - chemistry Acetophenones - isolation & purification Derris - chemistry Magnetic Resonance Spectroscopy Plant Bark - chemistry Plant Extracts - chemistry Plant Roots - chemistry Prenylation Spectrometry, Mass, Electrospray Ionization Spectrophotometry, Infrared Spectrophotometry, Ultraviolet Spectroscopy, Fourier Transform Infrared
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Zusammenfassung:	A new acetophenone, 1-[2,4-dihydroxy-5-(3-methylbut-2-enyl)phenyl]ethanone (1) was isolated from the root bark of Derris indica, along with 3,7,-dimethoxy-3’,4’-methylenedioxyflavone (desmethoxykanugin) (2), 5-methoxyfurano[4″, 5″: 6, 7] flavone (pinnatin) (3), and 3′-hydroxyfurano[4″,5″:7,8]flavone (pongol) (4). The structures of these compounds were established by means of chemical and spectral studies. The occurrence of this prenylated acetophenone in D. indica is of biogenetic and chemotaxonomic significance.
ISSN:	1934-578X 1555-9475
DOI:	10.1177/1934578X1200701018