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New aurone epoxide and auronolignan from the heartwood of Cotinus coggygria Scop

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 04 Dec 2018 Serbia English Publisher:Informa UK LimitedJournal:Natural Product Research, volume 33, pages 2,837-2,844 (issn: 1478-6419, eissn: 1478-6427,

Authors: Novaković, Miroslav; Đorđević, Iris; Todorović, Nina; Trifunović, Snežana; Anđelković, Boban; Mandić, Boris; Jadranin, Milka; +4 Authors

doi: 10.1080/14786419.2018.1508141 , 10.6084/m9.figshare.7418396.v1 , 10.6084/m9.figshare.7418396

pmid: 30513208

New aurone epoxide and auronolignan from the heartwood of Cotinus coggygria Scop

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Abstract

New aurone epoxide, 2,10-oxy-10-methoxysulfuretin (14), and new auronolignan (15), named cotinignan A, were isolated by silica gel column and semipreparative HPLC chromatography from the methylene chloride/methanol extract of Cotinus coggygria Scop. heartwood. In addition, thirteen known secondary metabolites namely sulfuretin, 2,3-trans-fustin, fisetin, butin, butein, taxifolin, eriodictyol, 3',5,5',7–tetrahydroxyflavanone, 3',4',7-trihydroxyflavone, 3-O-methyl-2,3-trans-fustin, 3-O-galloyl-2,3-trans-fustin, β-resorcylic acid and 3-O-β-sitosterol glucoside were isolated as well. Their structures were elucidated by 1D and 2D NMR, HR-ESI-MS, IR and UV. Ten out of eleven isolated flavonoids possess 7, 3' and 4' hydroxy groups. These structural features could be considered as chemotaxonomic characteristic of flavonoids from C. coggygria. Cotinignan A (15) represents new subclass of secondary metabolites - auronolignans.

Country

Serbia

Related Organizations

University of Belgrade
Serbia
Mayo Clinic
United States
Mayo Clinic
United States

Keywords

Flavonoids, Flavonols, Molecular Structure, Plant Extracts, Cotinus coggygria Scop, Anacardiaceae, Secondary Metabolism, cotinignan A, Wood, NMR, semipreparative HPLC, Chalcones, flavonoids, Flavanones, Hydroxybenzoates, Epoxy Compounds, Chromatography, High Pressure Liquid, Benzofurans

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