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Structural determination of silymins A and B, new pentacyclic triterpenes from Silybum marianum, by 1D and 2D NMR spectroscopy

✍ Scribed by Ejaz Ahmed; Atia tun Noor; Abdul Malik; Sadia Ferheen; Nighat Afza

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 109 KB
Volume: 45
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1881

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✦ Synopsis

Abstract

Silymins A (1) and B (2), the new pentacyclic triterpenes, have been isolated from ethyl acetate fraction of Silybum marianum and their structures assigned from ^1^H and ^13^C NMR spectra, DEPT and by 2D COSY, NOE and HMBC experiments. Copyright © 2007 John Wiley & Sons, Ltd.

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