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  • Title: Three New Isoprenylated Flavonoids from the Root Bark of Morus alba.
    Author: Jung JW, Park JH, Lee YG, Seo KH, Oh EJ, Lee DY, Lim DW, Han D, Baek NI.
    Journal: Molecules; 2016 Aug 24; 21(9):. PubMed ID: 27563860.
    Abstract:
    Phytochemical investigation of the root bark of Morus alba has led to the isolation and identification of three new isoprenylated flavonoids, namely sanggenon U (1), sanggenon V (2), and sanggenon W (3), along with four known isoprenylated flavonoids: euchrenone a₇ (4), sanggenon J (5), kuwanon E (6), and kuwanon S (7). All compounds were isolated by repeated silica gel (SiO₂), octadecyl SiO₂ (ODS), and Sephadex LH-20 open column chromatography. The structure of the compounds were determined based on spectroscopic analyses, including nuclear magnetic resonance (NMR), mass spectrometry (MS), circular dichroism (CD), and infrared (IR). In addition, compounds 1-4 were isolated for the first time from the root bark of M. alba in this study.
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