Abstract
Two new compounds 1 and 2 have been isolated from the aerial parts of Urena lobata L. The structures of the two new compounds were established as ceplignan-4-O-β-d-glucoside (1) and 2,5-dihydroxy benzoic acid-7-(2,6-dimethyl-6-hydroxy-2,7-octadienoic acid) anhydride-5-O-β-d-apiofuranosyl(1 → 2)-β-d-glucoside (urenoside A) (2), on the basis of chemical and spectral evidence, including 1D and 2D NMR spectroscopic data as well as mass spectrometry (HR-ESI-MS).
MeSH terms
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Drugs, Chinese Herbal / chemistry
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Drugs, Chinese Herbal / isolation & purification*
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Flavones
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Glucosides
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Glycosides / chemistry
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Glycosides / isolation & purification*
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Lignans / chemistry
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Lignans / isolation & purification*
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Malvaceae / chemistry*
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Molecular Structure
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Nuclear Magnetic Resonance, Biomolecular
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Plants, Medicinal / chemistry*
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Stereoisomerism
Substances
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2,5-dihydroxybenzoic acid-7-(2,6-dimethyl-6-hydroxy-2,7-octadienoic acid) anhydride-5-O-beta-D-apiofuranosyl(1-2)-beta-D-glucoside
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5,7-dihydroxy-3',4',5'-trimethoxy flavone 7-O-beta-D-glucuronide
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Drugs, Chinese Herbal
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Flavones
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Glucosides
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Glycosides
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Lignans