Taraxacin, a new guaianolide from Taraxacum wallichii |
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| Authors: | Ahmad V U Yasmeen S Ali Z Khan M A Choudhary M I Akhtar F Miana G A Zahid M |
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| Affiliation: | H.E.J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan. viqar@khi.comsats.net.pk |
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| Abstract: | A new guaianolide, taraxacin (1), and a known sesquiterpene ketolactone (2) have been isolated from an ethyl acetate-soluble part of a methanolic extract of Taraxacum wallichii. The structure of 1 was established using NMR, MS, and X-ray crystallographic methods. The (13)C NMR data of 2 is also being reported for the first time. |
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