Structural determination of silymins A and B, new pentacyclic triterpenes from Silybum marianum, by 1D and 2D NMR spectroscopy |
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| Authors: | Ahmed Ejaz tun Noor Atia Malik Abdul Ferheen Sadia Afza Nighat |
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| Institution: | International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan. |
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| 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 1H and 13C NMR spectra, DEPT and by 2D COSY, NOE and HMBC experiments. |
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| Keywords: | NMR 1D/2D NMR silymins A: silymins B triterpenes Silybum marianum Compositae |
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