Abstract
Chromatographic investigation of an extract of the octocoral Xenia umbellata afforded two new diterpenes, xenibelatols A (1) and B (2), in addition to three known xenicane diterpenes, 7,8-oxidoisoxeniolide (3), 9-hydroxyxeniolide F (4), and florlide C, and a cadinene sesquiterpene, xenitorin A (5). The structures were elucidated through spectroscopic analysis, especially 2D NMR.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Anthozoa / chemistry*
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Cytotoxins / chemistry
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Cytotoxins / isolation & purification
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Cytotoxins / pharmacology
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Diterpenes / chemistry*
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Diterpenes / isolation & purification
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Diterpenes / pharmacology
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HeLa Cells
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Humans
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Molecular Conformation
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Nuclear Magnetic Resonance, Biomolecular
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Optical Rotation
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Spectrometry, Mass, Fast Atom Bombardment
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Spectrophotometry, Infrared
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Spectrophotometry, Ultraviolet
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Taiwan