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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences


IMPACT FACTOR 2018: 0.961

CiteScore 2018: 0.91

SCImago Journal Rank (SJR) 2018: 0.263
Source Normalized Impact per Paper (SNIP) 2018: 0.505

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1865-7117
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Volume 50, Issue 7

Issues

A Diosgenin Tetrasaccharide from Cestrum nocturnum

Viqar Uddin Ahmad / Fehmida T. Baqai
  • H. E. J. Research Institute of Chemistry, University of Karachi. Karachi-75270. Pakistan H. E. J. Research Institute of Chemistry, University of Karachi, Karachi-75270. Pakistan
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/ Roshan Ahmad
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znb-1995-0722

A new monodesmosidic spirostanol glycoside extracted from the fresh leaves of Cestrum nocturnum was identified as spirost-5-ene-3-ol, [3β,25R]-3-O-[{α-L-rhamnopyranosyl-(1→4)- α-L-rhamnopyranosyl-(1→2)}-α-L-rhamnopyranosyl-(1→4)-β-D-glucopyranoside. The name proposed for this saponin is nocturnoside B. The structure elucidation was done on the basis of 1 D and 2 D spectroscopic studies [DEPT. HeteroCOSY, HMBC, COSY-45°, HOHAHA ] and chemical analysis.

Keywords : Cestrum nocturnum; Solanaceae; Steroid Saponin; Spirostanol Glycoside. Diosgenin

About the article

Received: 1994-11-08

Published Online: 2014-06-02

Published in Print: 1995-07-01


Citation Information: Zeitschrift für Naturforschung B, Volume 50, Issue 7, Pages 1104–1110, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-1995-0722.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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