Novel Coumarins and Sesquiterpene Lactones from Vernonia brachycalyx
- Publikations-Art
- Zeitschriftenbeitrag
- Autoren
- Keige, A.; Vogler, B.; Klaiber, I.; Kraus, W.
- Erscheinungsjahr
- 1998
- Veröffentlicht in
- Pharmaceutical Pharmacological Letters
- Band/Volume
- 8/
- Seite (von - bis)
- 43
The roots of V. brachycalyx afforded 2 new coumarins and the known ethuliacoumarin. From the leaf ext. of this plant was isolated the sesquiterpene lactones, brachycalyxolide and it's cyclic ether deriv. The structures were elucidated using 1H- and 13C-NMR, HSQC, HMQC and mass spectroscopy.