Dactylospongiaquinone, a new meroterpenoid from the Australian marine sponge Dactylospongia n. sp.

Jankam, Aroon, Somerville, Michael J., Hooper, John N.A., Brecknell, Douglas J., Suksamrarn, Apichart and Garson, Mary J. (2007) Dactylospongiaquinone, a new meroterpenoid from the Australian marine sponge Dactylospongia n. sp.. Tetrahedron, 63 7: 1577-1582. doi:10.1016/j.tet.2006.12.006


Author Jankam, Aroon
Somerville, Michael J.
Hooper, John N.A.
Brecknell, Douglas J.
Suksamrarn, Apichart
Garson, Mary J.
Title Dactylospongiaquinone, a new meroterpenoid from the Australian marine sponge Dactylospongia n. sp.
Formatted title
Dactylospongiaquinone, a new meroterpenoid from the Australian marine sponge Dactylospongia n. sp.
Journal name Tetrahedron   Check publisher's open access policy
ISSN 0040-4020
Publication date 2007-02-12
Year available 2006
Sub-type Article (original research)
DOI 10.1016/j.tet.2006.12.006
Volume 63
Issue 7
Start page 1577
End page 1582
Total pages 6
Place of publication Oxford, England
Publisher Pergamon-elsevier Science Ltd
Collection year 2008
Language eng
Subject C1
250300 Organic Chemistry
780103 Chemical sciences
Abstract Chemical investigation of the sponge Dactylospongia n. sp. collected near Mooloolaba, S.E. Queensland, has led to the isolation of dactylospongiaquinone (7) together with the known quinones (2-5). The new metabolite 7 possesses a different carbon framework from the known dictyoceratidaquinone (9) and is suggested to possess a cis-fused ring junction by extensive NOESY studies combined with molecular modelling calculations. The relative stereochemistry of the previously described cyclospongiaquinone-1 (3) and dehydrocyclospongiaquinone-1 (4) is also assigned on the basis of NOESY analyses. Full NMR spectroscopic assignments are provided for all compounds. (c) 2006 Elsevier Ltd. All rights reserved.
Keyword Chemistry, Organic
meroterpenoid
quinone
cyclopropane
NMR
sponges
Dactylospongia
Sesquiterpene Quinones
Gene-expression
Spongiaquinone
Hydroquinones
Invitro
Avarol
Q-Index Code C1
Q-Index Status Confirmed Code

 
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Created: Mon, 18 Feb 2008, 16:16:49 EST