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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Flavonoids and Terpenoids from the Resinous Exudates of Madia Species (Asteraceae, Helenieae)

Eckhard Wollenweber EMAIL logo , Marion Dörr , Marco Dörsam , Abu El-Hamed Hassan , Ahmed A. Ahmed , M. F. Hegazy and Klaus-Peter Zeller

The resinous material accumulated on aerial parts of Madia species is shown to consist mainly of diterpenes, containing a series of flavonoid aglycones. A6- and/or 8-O-substitution is characteristic for many of these flavonoids. Three known rare diterpenes were found and the structure elucidation of a diterpene with a new carbon skeleton, named madiaol, is reported.

Received: 2002-10-10
Revised: 2002-11-14
Published Online: 2014-6-2
Published in Print: 2003-4-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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