A new bibenzyl and 9,10-dihydrophenanthrene derivative from aerial parts of crowberry (Empetrum nigrum L.)

Anastasiia O. Ponkratova, Andrei K. Whaley, Olga A. Balabas, Sergey N. Smirnov, Peter Proksch, Vladimir G. Luzhanin

    Research output: Contribution to journalArticlepeer-review

    4 Scopus citations

    Abstract

    Two new natural products - 1 and 2, together with four known compounds (3-6) were isolated from aerial parts of crowberry (Empetrum nigrum L.). All structures were elucidated by extensive 1D and 2D NMR experiments and HR-ESIMS data along with comparison of their spectroscopic data with those reported in the literature. Compound 1 (1-(3,5-dihydroxy-4-methoxyphenyl)-2-phenylethane) is a bibenzyl (dihydrostilbene) derivative. Compound 2 was found to be 6-hydroxy-2,3,4-trimethoxy-9,10-dihydrophenantrene. Compounds 3 and 4 were established as 4,7-dihydroxy-2,3-dimethoxy-9,10-dihydrophenantrene (ephemeranthol-A) and 1-(3-hydroxyphenyl)-2-(3-hydroxy-4,5-dimethoxyphenyl)ethane, respectively. Compounds 5 and 6 were identified as 4′-hydroxy-2′-methoxydihydrochalcone and 2′,4′-dihydroxychalcone, respectively.

    Translated title of the contributionНовое производное бибензила и 9,10-дигидрофенантрена из надземных частей Водяники черной (Empetrum nigrum L.)
    Original languageEnglish
    Pages (from-to)15-17
    Number of pages3
    JournalPhytochemistry Letters
    Volume42
    DOIs
    StatePublished - Apr 2021

    Scopus subject areas

    • Biotechnology
    • Biochemistry
    • Agronomy and Crop Science
    • Plant Science

    Keywords

    • 9,10-dihydrophenantrenes
    • Bibenzyls
    • Crowberry
    • Empetrum nigrum
    • Secondary metabolites

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