Novel Coumarins and Sesquiterpene Lactones from Vernonia brachycalyx

Publication Type
Journal contribution
Authors
Keige, A.; Vogler, B.; Klaiber, I.; Kraus, W.
Year of publication
1998
Published in
Pharmaceutical Pharmacological Letters
Band/Volume
8/
Page (from - to)
43
Abstract

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.

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