Two triterpene saponins from arenaria filicaulis

Two novel triterpenoid saponins, Snatzkein C, (3 β,20-dihydroxylupan-28-oic acid 3- O-[ β- d-galactopyranosyl-(1 → 2)- β- d-glucopyranosyl]-28- O- β- d-glucopyranoside) and SnatzkeinD, (3 β,20-dihydroxylupan-28-oic acid 3- O-[ β- d-glucopyranosyl-(1 → 2)- β- d-glucopyranosyl]-28- O- β- d-glucopyrano...

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Veröffentlicht in:	Phytochemistry (Oxford) 1998-09, Vol.49 (1), p.189-193
Hauptverfasser:	Elgamal, M.Hani A., Soliman, Hesham S.M., Elmunajjed, Dalal T., Tóth, Gábor, Simon, András, Duddeck, Helmut
Format:	Artikel
Sprache:	eng
Schlagworte:	arenaria (caryophyllaceae) Arenaria filicaulis Biological and medical sciences Carbohydrate Conformation Carbohydrate Sequence Caryophyllacae chemical constituents of plants Chemical constitution chemical structure Fundamental and applied biological sciences. Psychology HMBC Models, Molecular Molecular Conformation Molecular Sequence Data NMR nuclear magnetic resonance spectroscopy Nuclear Magnetic Resonance, Biomolecular Plant physiology and development rhizomes ROESY saponin Saponins - chemistry Saponins - isolation & purification spectral analysis stereochemistry TOCSY triterpene Triterpenes - chemistry Triterpenes - isolation & purification triterpenoid saponins
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Zusammenfassung:	Two novel triterpenoid saponins, Snatzkein C, (3 β,20-dihydroxylupan-28-oic acid 3- O-[ β- d-galactopyranosyl-(1 → 2)- β- d-glucopyranosyl]-28- O- β- d-glucopyranoside) and SnatzkeinD, (3 β,20-dihydroxylupan-28-oic acid 3- O-[ β- d-glucopyranosyl-(1 → 2)- β- d-glucopyranosyl]-28- O- β- d-glucopyranoside), have been isolated from Arenaria filicaulis. Their structure and conformational behaviour were elucidated by one- and two-dimensional 1H NMR and 13C NMR spectroscopy.
ISSN:	0031-9422 1873-3700
DOI:	10.1016/S0031-9422(97)01058-3