Abstract
Three new Daphniphyllum alkaloids, daphnioldhanins A-C (1-3), along with four known ones, were isolated from the aerial parts of saplings of Daphniphyllum oldhami. The structures of these alkaloids were established by spectroscopic methods. The relative configuration of 1 was further confirmed by a single-crystal X-ray diffraction analysis. In addition, the (1)H and (13)C NMR data of the free base of daphmanidin A (4) were compared with its hydrochloric salt form.
MeSH terms
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Alkaloids / chemistry*
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Alkaloids / isolation & purification*
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Crystallography, X-Ray
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Drugs, Chinese Herbal / chemistry*
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Drugs, Chinese Herbal / isolation & purification*
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Heterocyclic Compounds, 4 or More Rings / chemistry*
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Heterocyclic Compounds, 4 or More Rings / isolation & purification*
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Molecular Conformation
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Molecular Structure
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Nuclear Magnetic Resonance, Biomolecular
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Plants / chemistry*
Substances
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Alkaloids
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Drugs, Chinese Herbal
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Heterocyclic Compounds, 4 or More Rings
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daphmanidin A
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daphnioldhanin A
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daphnioldhanin B
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daphnioldhanin C