Alkaloids from the Fruits of Stephania japonica MIERS. I. Structure of Stephabenine : A New Hasubanan Ester-Ketal Alkaloid

A new hasubanan ester-ketal alkaloid, named stephabenine, was isolated from the fresh fruits of Stephania japnica MIERS (Menispermaceae). Alkaline hydrolysis of the new base gave benzoic acid and a basic component, whose proton nuclear magnetic resonance spectrum was identical with that of authentic...

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Veröffentlicht in:	Chemical & pharmaceutical bulletin 1983/08/25, Vol.31(8), pp.2574-2577
Hauptverfasser:	KONDO, SACHIKO, MATSUI, MATAO, WATANABE, YASUO
Format:	Artikel
Sprache:	eng
Schlagworte:	Alcaloids Analytical, structural and metabolic biochemistry Biological and medical sciences Fundamental and applied biological sciences. Psychology Heterocyclic compounds, pigments N, O-dimethylstephine Other biological molecules
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Beschreibung
Zusammenfassung:	A new hasubanan ester-ketal alkaloid, named stephabenine, was isolated from the fresh fruits of Stephania japnica MIERS (Menispermaceae). Alkaline hydrolysis of the new base gave benzoic acid and a basic component, whose proton nuclear magnetic resonance spectrum was identical with that of authentic N, O-dimethylstephine.
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.31.2574