Abstract
An investigation of a new species of sponge from the genus Suberea collected at Lihou Reef in the Coral Sea afforded lihouidine, an unprecedented cytotoxic spiro nonacyclic polyaromatic alkaloid. The structure of the alkaloid, which was racemic, was determined by a combination of 1D and 2D NMR techniques and single-crystal X-ray structural analysis.
MeSH terms
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Alkaloids / chemistry
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Alkaloids / isolation & purification*
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Alkaloids / pharmacology
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Animals
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Antineoplastic Agents / chemistry
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Antineoplastic Agents / isolation & purification*
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Antineoplastic Agents / pharmacology
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Crystallography, X-Ray
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Molecular Conformation
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Molecular Structure
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Nuclear Magnetic Resonance, Biomolecular
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Oceans and Seas
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Porifera / chemistry*
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Spiro Compounds / chemistry
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Spiro Compounds / isolation & purification*
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Spiro Compounds / pharmacology
Substances
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Alkaloids
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Antineoplastic Agents
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Spiro Compounds
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lihouidine