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Luffasterols A-C, 9,11-secosterols from the Palauan sponge Luffariella sp
M V Reddy1, M K Harper, D J Faulkner
1Scripps Institution of Oceanography, University of California at San Diego, La Jolla 92093-0212, USA.
Journal of Natural Products
|January 1, 1997
Abstract:
The Palauan sponge Luffariella sp. contained manoalide (6) and secomanoalide (7) as the major metabolites. The minor metabolites, luffasterols A-C (3-5) are 9,11-secosterols that contain a 3 beta-acetoxy-5 alpha,6 alpha-epoxy-9-oxo-9,11-secocholest-7-en-11-al ring system joined to three different side chains. The structures of the luffasterols were elucidated by interpretation of spectroscopic data.