@article{3009953,
    title = "Secondary metabolites from the aerial parts of Centaurea pannonica (Heuff.) Simonk. from Serbia and their chemotaxonomic importance",
    author = "Ifantis, T.M. and Solujić, S. and Pavlović-Muratspahić, D. and Skaltsa, H.",
    journal = "Phytochemistry",
    year = "2013",
    volume = "94",
    pages = "159-170",
    publisher = "Elsevier Ireland Ltd",
    issn = "0031-9422",
    doi = "10.1016/j.phytochem.2013.05.014",
    keywords = "Centaurea;  Centaurea jacea, flavonoid;  germacranolide;  lactone;  lignan;  plant extract;  salonitenolide;  sesquiterpene, article;  C. pannonica (Heuff.) Simonk.;  Centaurea;  Centaurea jacea group;  Centaurea L.;  chemical structure;  chemistry;  chemotaxonomy;  classification;  conformation;  Guaianolides;  isolation and purification;  metabolism;  nuclear magnetic resonance;  nuclear magnetic resonance spectroscopy;  plant;  Serbia;  species difference, C. pannonica (Heuff.) Simonk.;  Centaurea jacea group;  Centaurea L.;  Chemotaxonomy;  Flavonoids;  Guaianolides;  Lignans;  NMR, Centaurea;  Flavonoids;  Lactones;  Magnetic Resonance Spectroscopy;  Molecular Conformation;  Molecular Structure;  Plant Components, Aerial;  Plant Extracts;  Serbia;  Sesquiterpenes;  Sesquiterpenes, Germacrane;  Species Specificity",
    abstract = "The non polar extract of Centaurea pannonica (Heuff.) Simonk., growing wild in Serbia, was studied and twenty-five compounds including 14 sesquiterpene lactones, 7 flavonoids, 3 lignans and 1 phenylpropanoid glycoside were isolated. All compounds were isolated for the first time from this species. Among them, one germacranolide 2α-hydroxy, 8-dehydroxy 15-O-methacrylate salonitenolide (1) and two guai-anolides 2α,8α-dihydroxy- dehydrocostus lactone (2) and pannonin (3) are new natural compounds. The structures of the compounds were established on the basis of spectroscopic analyses (UV, IR, HREIMS and 1D & 2D NMR). The chemical profile of C pannonica, which belongs to the "Centaurea jacea" group, was compared to previously studied taxa of the same group and used to assess the phylogenetic relationships in the group. © 2013 Elsevier Ltd. All rights reserved."
}