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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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 2003-09, Vol.66 (9), p.1252-1256
Main Authors: Wu, S.L, Sung, P.J, Su, J.H, Sheu, J.H
Format: Article
Language:English
Subjects:
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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Summary: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