7-O-6‘-O-Malonylcachinesidic Acid, a New Macrocyclic Iridoid Ester of Malonic Acid from the Tunisian Plant Ajuga pseudoiva

A new iridoid glucoside, 7-O-6'-O-malonylcachinesidic acid (1), was isolated from the leaves of Ajuga pseudoiva and characterized as its triacetyl derivative (1a). Its structure was established by spectroscopic methods and showed an unusual feature, in which an alcoholic function of the iridoid...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 2002-04, Vol.65 (4), p.618-620
Hauptverfasser:	CHAARI, Atef, JANNET, Hichem Ben, MIGHRI, Zine, LALLEMAND, Marie-Christine, KUNESCH, Nicole
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Chromatography, Thin Layer General pharmacology Glucosides - chemistry Glucosides - isolation & purification Lamiaceae - chemistry Malonates - chemistry Malonates - isolation & purification Medical sciences Molecular Conformation Molecular Structure Nuclear Magnetic Resonance, Biomolecular Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments Plant Leaves - chemistry Plants, Medicinal - chemistry Spectrometry, Mass, Electrospray Ionization Spectroscopy, Fourier Transform Infrared Tunisia
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Zusammenfassung:	A new iridoid glucoside, 7-O-6'-O-malonylcachinesidic acid (1), was isolated from the leaves of Ajuga pseudoiva and characterized as its triacetyl derivative (1a). Its structure was established by spectroscopic methods and showed an unusual feature, in which an alcoholic function of the iridoid moiety and the primary alcohol of a glucopyranose unit form a 13-membered heterocycle with malonic acid.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np010453x