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Two new isoflavone derivatives from the roots of an Egyptian collection of Lotus polyphyllos
Journal article   Peer reviewed

Two new isoflavone derivatives from the roots of an Egyptian collection of Lotus polyphyllos

Maged S Abdel-Kader, Masouda E Amer, Shoubin Tang and David G I Kingston
Natural product research, Vol.20(10), pp.922-926
08/2006
DOI: https://doi.org/10.1080/14786410500364627
PMID: 16854720

Abstract

Egypt Isoflavones - chemistry Isoflavones - isolation & purification Loteae - chemistry Mass Spectrometry Molecular Structure Nuclear Magnetic Resonance, Biomolecular Plant Roots - chemistry Spectrophotometry, Ultraviolet
Investigation of the roots of Lotus polyphyllos Clarke resulted in the isolation of two new isoflavone derivatives; 4'-O-methylerythrinin C (3) and 4'-O-methyl-2''-hydroxydihydroalpinumisoflavone (4). In addition, the three known isoflavone derivatives 4'-O-methylalpinumisoflavone (1) lupinalbin F (5), 4',7-dimethoxy-5-hydroxyisoflavone (6), and the phenylpropanoid ester tetracosyl p-coumarate (2) were also identified. The structures were determined from spectroscopic data.

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