Australian Journal of Chemistry p. 103 - 121 (1986)
Update date:2022-07-30
Topics:
Bowden, Bruce F.
Coll, John C.
Engelhardt, Lutz M.
Tapiolas, Dianne M.
White, Allan M.
The soft coral Lemnalia cervicornis May 1898 has afforded 13 novel sesquiterpenoid metabolites.The majority were derivatives of calamenen-7-ol and the structures were deduced by 1H and 13C n.m.r. spectroscopy.Absolute stereochemistry of compounds (3)-(13) was determined by chemical correlation with 7-hydroxycalamenen-3-one (3) for which an X-ray structure determination of its 7-p-bromobenzoyl derivative is reported.Two minor metabolites (15) and (16) were not aromatic, but were structurally related to the algal metabolite zonarene (21) for which absolute stereochemistry was available.
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