Abstract
Two new flavonoids, (2S)-3',4',5'-trimethoxyflavanone (1) and 2'-hydroxy-2,4-dimethoxy-4'-O-[(E)-3,7-dimethyl-2,6-octadienyl]chalcone (2), together with a known pterocarpene, flemichapparin B (3), and a known rotenoid, dehydrodeguelin (4), were isolated from the seeds of Derris scandens. Their structures were determined by means of extensive 1D and 2D NMR spectral studies.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Derris / chemistry*
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Flavanones / chemistry*
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Flavanones / isolation & purification
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Flavonoids / chemistry*
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Flavonoids / isolation & purification
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Magnetic Resonance Spectroscopy
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Plant Extracts / chemistry
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Seeds / chemistry*
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Spectrometry, Mass, Electrospray Ionization
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Spectrophotometry, Infrared
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Spectrophotometry, Ultraviolet
Substances
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(2S)-3',4',5'-trimethoxyflavanone
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2'-hydroxy-2,4-dimethoxy-4'-O-((E)-3,7-dimethyl-2,6-octadienyl)chalcone
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Flavanones
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Flavonoids
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Plant Extracts