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Mar. Drugs 2010, 8(4), 1178-1188; doi:10.3390/md8041178
Article

Studies on Polyethers Produced by Red Algae

1, 1, 1, 1,* , 1,*  and 1,2,*
1 Instituto Universitario de Bio-Orgánica “Antonio González” (IUBO), Universidad de La Laguna (ULL), Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain 2 Departamento de Ingeniería Química y Tecnología Farmacéutica, Universidad de La Laguna (ULL), Astrofísico Francisco Sánchez 1, 38071, La Laguna, Tenerife, Spain
* Authors to whom correspondence should be addressed.
Received: 21 February 2010 / Revised: 8 March 2010 / Accepted: 22 March 2010 / Published: 7 April 2010
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Abstract

Two novel squalene-derived triterpenes, spirodehydrovenustatriol (3) and 14-keto-dehydrothyrsiferol (4) were isolated from the red alga Laurencia viridis, together with two new and unusual C17 terpenoids, adejen A (5) and B (6). These truncated structures possess structural similarities with other known squalene metabolites and their biogenetic origin has been proposed on the basis of an oxidative process of the squalene skeleton. All the structures were elucidated by extensive use of 2D NMR spectroscopic methods.
Keywords: polyether; marine compound; triterpene; Laurencia viridis polyether; marine compound; triterpene; Laurencia viridis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cen-Pacheco, F.; Nordström, L.; Souto, M.L.; Martín, M.N.; Fernández, J.J.; Daranas, A.H. Studies on Polyethers Produced by Red Algae. Mar. Drugs 2010, 8, 1178-1188.

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