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Taraxacin, a new guaianolide from Taraxacum wallichii
1H.E.J. Research Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan. viqar@khi.comsats.net.pk
Journal of Natural Products
|August 5, 2000
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.