Triterpenoid Saponins from Bellis bernardii

Nine saponins were isolated from the deacylated saponin mixture obtained from the whole plants of Bellis bernardii. Their structures have been elucidated from NMR and MS data and by chemical derivatization. Three were glycosides of the recently reported bellisonic acid (2β,3β,23-trihydroxy-16-oxoole...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1996-10, Vol.59 (10), p.939-943
Hauptverfasser:	Schöpke, Thomas, Thiele, Horst, Hiller, Karl, Wray, Victor, Nimtz, Manfred
Format:	Artikel
Sprache:	eng
Schlagworte:	BAYOGENIN BELLISONIC ACID Biological and medical sciences Carbohydrate Sequence CHEMICAL COMPOSITION CHEMICAL STRUCTURE COMPOSICION QUIMICA COMPOSITAE COMPOSITION CHIMIQUE CORCEGA CORSE CORSICA DERIVATIVES ESPECTROMETRIA ESTRUCTURA QUIMICA France Gas Chromatography-Mass Spectrometry General pharmacology GLICOSIDOS GLYCOSIDE GLYCOSIDES Magnetic Resonance Spectroscopy Medical sciences Molecular Conformation Molecular Sequence Data Oleanolic Acid - analogs & derivatives Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments Plants, Medicinal - chemistry POLYGALACIC ACID SAPONINAS SAPONINE SAPONINS Saponins - chemistry Saponins - isolation & purification SPECTRAL ANALYSIS SPECTROMETRIE SPECTROMETRY STRUCTURE CHIMIQUE TRITERPENOIDE TRITERPENOIDOS TRITERPENOIDS
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Beschreibung
Zusammenfassung:	Nine saponins were isolated from the deacylated saponin mixture obtained from the whole plants of Bellis bernardii. Their structures have been elucidated from NMR and MS data and by chemical derivatization. Three were glycosides of the recently reported bellisonic acid (2β,3β,23-trihydroxy-16-oxoolean-12-en-28-oic acid), with the major compounds being related glycosides of polygalacic acid (2β,3β,16α,23-tetrahydroxyolean-12-en-28-oic acid). In addition, a saponin of bayogenin (2β,3β,23-trihydroxyolean-12-en-28-oic acid) was obtained and is the first acyl glycoside of this aglycon with a free hydroxyl group at C-3.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np960400t