Isolation of naturally occurring dactylomelane metabolites as Laurencia constituents |
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Authors: | José J. Ferná ndez |
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Affiliation: | Instituto Universitario de Bio-Orgánica ‘Antonio González’, Universidad de La Laguna, Astrofísico Francisco Sánchez 2, 38206 La Laguna, Tenerife, Spain |
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Abstract: | Dactylomelol 1, initially isolated from molluscs of the genus Aplysia, was the first example of a monocarbocyclic diterpene skeleton with a C-6-C-11 cyclisation. This paper reports on the identification and structural elucidation of six new diterpenes, compounds 4-9, isolated from specimens of Laurencia sp., together with dactylomelol, all with this particular carbon backbone that we named dactylomelane. This result is the first to confirm a red alga as the biogenetic origin of this class of compounds. |
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Keywords: | Dactylomelane Laurencia sp. Aplysia |
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