Isoflavone glycosides from the bark of Amorpha fruticosa

Author: Lee Hyun-Jung   Lee Oh-Kyu   Kwon Yeong-Han   Choi Don-Ha   Kang Ha-Young   Lee Hyeon-Yong   Paik Ki-Hyon   Lee Hak-Ju  

Publisher: Springer Publishing Company

ISSN: 0009-3130

Source: Chemistry of Natural Compounds, Vol.42, Iss.4, 2006-07, pp. : 415-418

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Abstract

Four known isoflavone glucosides have been isolated from the bark of Amorpha fruticosa, which is a traditional remedy plant, for the first time. They were elucidated as 3′-hydroxy-4′-methoxyisoflavone-7-O-β-D-glucopyranoside (1), 4′,6-dimethoxyisoflavone-7-O-β-D-glucopyranoside (2), 4′-methoxyisoflavone-7-O-β-D-glucopyranoside (3), and 3′,5-dihydroxy-4′-methoxyisoflavone-7-O-β-D-glucopyranoside (4), based on the UV, FT-IR, EIMS, FABMS, HREIMS, and NMR (1H and 13C, DEPT, COSY, NOESY, HMQC, and HMBC) data.