The flavonoids isoetin-2′-O-α-L-arabinopyranoside (1), isoetin-2′-O-β-D-galactopyranoside (2), isoetin-2′-O-(6′′-O-acetyl)-β-D-galactopyranoside (3), and luteolin-4′-O-β-D-glucopyranoside (4), which were identified using NMR spectroscopic methods, were isolated for the first time from the aerial part of Picris koreana (Kitam.) Vorosch. growing in Primorsky Krai of the Russian Far East. Flavonoids 2 and 3 were new compounds that were previously unreported in the literature.
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Translated from Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2023, pp. 708–710
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Myagchilov, A.V., Kalinin, A.I. & Gorovoy, P.G. Flavonoids from the Aerial Part of Picris koreana. Chem Nat Compd 59, 839–841 (2023). https://doi.org/10.1007/s10600-023-04130-4
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DOI: https://doi.org/10.1007/s10600-023-04130-4