Abstract
A new trace alkaloid possessing the lignan structure, named oleraisoindole A, was obtained from the extract of the Portulaca oleracea L.. The structure of oleraisoindole A was elucidated by 1D and 2D NMR and high resolution electrospray ionization time-of-flight mass spectroscopic methods. The compound presented an anticholinesterase effect with the IC50 value of 60.4 μM.
Keywords:
Portulaca oleracea L.; alkaloids; anticholinesterase effect.
MeSH terms
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Cholinesterase Inhibitors / administration & dosage
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Cholinesterase Inhibitors / chemistry*
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Cholinesterase Inhibitors / pharmacology*
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Dose-Response Relationship, Drug
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Isoindoles / administration & dosage
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Isoindoles / chemistry*
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Isoindoles / pharmacology*
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Magnetic Resonance Spectroscopy
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Molecular Structure
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Portulaca / chemistry*
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Spectrometry, Mass, Electrospray Ionization / methods
Substances
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Cholinesterase Inhibitors
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Isoindoles
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oleraisoindole