## Abstract Two novel unsaturated E‐ring pentacyclic triterpenoid saponins, ilexhainanoside A and ilexhainanoside B, were isolated from the leaves of __Ilex hainanensis__. Their chemical structures were determined by MS, NMR spectroscopy and chemical analysis. Complete assignments of the ^1^H and ^
Complete assignments of 1H and 13C NMR spectra of leucanthoside A, a new triterpenoid saponin from Cephalaria leucantha L.
✍ Scribed by D. Gođevac; B. Mandić; V. Vajs; N. Menković; S. Macura; S. Milosavljević
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 213 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0749-1581
- DOI
- 10.1002/mrc.1834
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✦ Synopsis
Abstract
Leucanthoside A, a new allose‐containing triterpenoid saponin (1), was isolated from the aerial parts of Cephalaria leucantha L. Its structure was determined by electrospray ionization mass spectrometry and NMR spectroscopy. Complete assignments of the ^1^H and ^13^C NMR chemical shifts were achieved by two‐dimensional NMR experiments: DQF‐COSY, NOESY, TOCSY, HSQC, DINE‐HSQC, HMBC, ^13^C‐^1^H 2D‐J‐resolved spectroscopy, and 1,1‐ADEQUATE. Copyright © 2006 John Wiley & Sons, Ltd.
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