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Isolation, NMR studies, and biological activities of onopordopicrin from Centaurea sonchifolia
G Lonergan1, E Routsi, T Georgiadis
1Department of Chemistry, University of New Brunswick, Fredericton, Canada.
Journal of Natural Products
|February 1, 1992
Abstract:
A sesquiterpene lactone, onopordopicrin [1], has been isolated from Centaurea sonchifolia. Its structure was established by 2D nmr (1H-1H and 13C-1H correlations), and the conformation in CHCl3 was examined by nOe studies. Cytotoxic, antibacterial, and antifungal activities are reported.