Mycaperoxides F and G and a Related Norterpene Ketone from Southern Australian Marine Sponges, Mycale Species

Investigation of two southern Australian marine sponges, Mycale spp., resulted in isolation of the known norsesterterpene mycaperoxide F methyl ester (5) together with a new norsesterterpene mycaperoxide G methyl ester (10) and a new norterpene ketone 11. All structures were secured by spectroscopic...

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Bibliographic Details
Published in:Journal of natural products (Washington, D.C.) D.C.), 1998-04, Vol.61 (4), p.525-528
Main Authors: Capon, Robert J, Rochfort, Simone J, Ovenden, Simon P. B, Metzger, Robert P
Format: Article
Language:English
Subjects:
Biological and medical sciences
CETONAS
CETONE
CHEMICAL COMPOSITION
CHEMICAL STRUCTURE
CHEMISTRY
CHIMIE
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
EPONGE
ESPECTROMETRIA
ESPONJAS
ESTRUCTURA QUIMICA
General pharmacology
KETONES
Medical sciences
METABOLITE
METABOLITES
METABOLITOS
MYCALE ANCORINA
MYCALE SPONGIOSA
MYCAPEROXIDE F METHYL ESTER
NEW SOUTH WALES
NORSESTERTERPENE MYCAPEROXIDE G METHYL ESTER
NOUVELLE GALLES DU SUD
NUEVA GALES DEL SUR
PARAZOA
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
QUIMICA
SPECTRAL ANALYSIS
SPECTROMETRIE
SPECTROMETRY
SPONGES
STEREOCHEMISTRY
STRUCTURE CHIMIQUE
TERPENOIDE
TERPENOIDOS
TERPENOIDS
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Summary:Investigation of two southern Australian marine sponges, Mycale spp., resulted in isolation of the known norsesterterpene mycaperoxide F methyl ester (5) together with a new norsesterterpene mycaperoxide G methyl ester (10) and a new norterpene ketone 11. All structures were secured by spectroscopic analysis and chemical derivatization. The absolute stereochemistry previously assigned to 5 by application of the Horeau procedure has been revised by application of the Mosher procedure.
ISSN:0163-3864
1520-6025
DOI:10.1021/np970484l