Novel phenylpropanoids and lignans from illicium verum

Nine new phenylpropanoids (2-7, 10, 12, and 14) and two compounds representing novel structural classes of 7-O-8' and 7-O-8'.8-O-7' lignans (8 and 9, respectively) have been isolated from Illicium verum and their structures established by two-dimensional NMR. Most of these compounds a...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1998-08, Vol.61 (8), p.987-992
Hauptverfasser:	Sy, L.K. (The University of Hong Kong, Hong Kong.), Brown, G.D
Format:	Artikel
Sprache:	eng
Schlagworte:	ACIDE PROPIONIQUE ACIDO PROPIONICO Biological and medical sciences Carbohydrate Sequence CHEMICAL COMPOSITION CHEMICAL STRUCTURE China COMPOSICION QUIMICA COMPOSITION CHIMIQUE DERIVATIVES DRUG PLANTS ESPECTROMETRIA ESTRUCTURA QUIMICA FEUILLE General pharmacology GUANGXI (ZHUANG) HOJAS ILLICIUM VERUM LEAVES LIGNANAS LIGNANE LIGNANS Lignans - chemistry Lignans - isolation & purification Magnetic Resonance Spectroscopy Mass Spectrometry Medical sciences Molecular Sequence Data Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments Phenylpropionates - chemistry Phenylpropionates - isolation & purification PLANTAS MEDICINALES PLANTE MEDICINALE Plants, Medicinal - chemistry PROPIONIC ACID SPECTRAL ANALYSIS SPECTROMETRIE SPECTROMETRY Spectrophotometry, Infrared Spectrophotometry, Ultraviolet STRUCTURE CHIMIQUE
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Zusammenfassung:	Nine new phenylpropanoids (2-7, 10, 12, and 14) and two compounds representing novel structural classes of 7-O-8' and 7-O-8'.8-O-7' lignans (8 and 9, respectively) have been isolated from Illicium verum and their structures established by two-dimensional NMR. Most of these compounds appear to be biogenetically derived from threo-anethole glycol: relative stereochemistries for some members of this series were established by NOESY; absolute stereochemistries of others were determined by formation of Mosher esters.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np9800553