Abstract
Two new biflavonoids, 3"-hydroxyamentoflavone-7-O-methyl ether (1) and 3"-hydroxyamentoflavone (2), were isolated from the fruits of Aristolochia contorta Bge. Their structures were elucidated by HR-ESI-MS, 1D-, and 2D-NMR spectroscopy.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Aristolochia / chemistry*
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Biflavonoids / pharmacology*
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Fruit / chemistry
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Indicators and Reagents
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Mass Spectrometry
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Spectrometry, Mass, Electrospray Ionization
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Spectrometry, Mass, Fast Atom Bombardment
Substances
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3''-hydroxyamentoflavone
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3''-hydroxyamentoflavone-7-O-methyl ether
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Biflavonoids
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Indicators and Reagents