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New sesquiterpene/quinones from two sponges of the genus Hyrtios
Salmoun, M.; Devijver, C.; Daloze, D.; Braekman, J.C.; Gomez, R.; de Kluijver, M.; Van Soest, R.W.M. (2000). New sesquiterpene/quinones from two sponges of the genus Hyrtios. J. Nat. Prod. 63(4): 452-456.
In: Journal of Natural Products. American Chemical Society/American Society of Pharmacognosy: Washington DC. ISSN 0163-3864; e-ISSN 1520-6025, more
Peer reviewed article  

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Authors  Top 
  • Salmoun, M.
  • Devijver, C.
  • Daloze, D.
  • Braekman, J.C.
  • Gomez, R.
  • de Kluijver, M., more
  • Van Soest, R.W.M., more

    Two sponges of the genus Hyrtios have been found to contain new sesquiterpene/quinones identified by detailed spectroscopic analysis. Four new compounds with a 4,9-friedodrim-3-ene skeleton [hyrtiophenol (2), 5-epihyrtiophenol (3), 18-hydroxy-5-epihyrtiophenol (4), and 18-hydroxyhyrtiophenol (5)] were isolated from Hyrtios sp. (Seychelles Islands) along with isospongiaquinone (1). Moreover, the new compound 21-hydroxy-19-methoxyarenarone (8), which bears the 4,9-friedodrim-4(15)-ene skeleton, was isolated from Hyrtios tubulatus (Curaçao) along with arenarol (6) and 5-epiilimaquinone (7). Assignment of the 13C NMR signals of four types of 4,9-friedodrimene skeletons found in sponges is presented.

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