Briaexcavatolides S-V, four new briaranes from a formosan gorgonian Briareum excavatum

Four new briarane-type diterpenoids, briaexcavatolides S-V (1-4), have been isolated from a Formosan gorgonian Briareum excavatum. The structures, including the relative stereochemistry of these new metabolites, were established by extensive 1D and 2D NMR spectroscopic methods and by comparison of t...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 2003-09, Vol.66 (9), p.1252-1256
Hauptverfasser:	Wu, S.L, Sung, P.J, Su, J.H, Sheu, J.H
Format:	Artikel
Sprache:	eng
Schlagworte:	animal products Animals Anthozoa Anthozoa - chemistry Biological and medical sciences briaexcavatolides briaranes Briareum excavatum carbon chemical structure corals Diterpenes - chemistry Diterpenes - isolation & purification diterpenoids esters General pharmacology Gorgonacea lactones Marine Medical sciences Models, Molecular Molecular Structure Nuclear Magnetic Resonance, Biomolecular olefin Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments protons secondary metabolites spectral analysis stereochemistry Taiwan
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Zusammenfassung:	Four new briarane-type diterpenoids, briaexcavatolides S-V (1-4), have been isolated from a Formosan gorgonian Briareum excavatum. The structures, including the relative stereochemistry of these new metabolites, were established by extensive 1D and 2D NMR spectroscopic methods and by comparison of the related spectral data with those of known analogues.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np030102d