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A guaianolide alloside and other constituents from Picris kamtschatica
Wanda Kisiel1, Klaudia Michalska
1Department of Phytochemistry, Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Str, Pl-31-343, Kraków, Poland. kisielw@if-pan.krakow.pl
Phytochemistry
|November 28, 2002
Abstract:
From Picris kamtschatica two new guaianolide glycosides, including a beta-allopyranosyl analogue of ixerin F, were isolated, in addition to ten known sesquiterpene lactones and six phenolic compounds. This is the first time a sesquiterpene lactone alloside has been described from plants. The compounds were characterized based on mass, 1D and 2D NMR spectral data.