| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1406003 | Journal of Molecular Structure | 2011 | 4 Pages |
Abstract
Biological transformation of the meroditerpenoid, stypotriol triacetate (1) by the fungi Aspergillus niger, Cunninghamella elegans, Gibberella fujikuroi and Mucor plumbeus was studied. The incubation of 1 with A. niger yielded the new compound 6′,14-diacetoxy-stypol-4,5-dione (2) whose structure was established by 1H, 13C and 2D NMR and supported by DFT/GIAO.
► Stypotriol triacetate isolated from the brown alga Stypopodium flabelliforme. ► Four filamentous fungus were used to the biotransformation of stypotriol triacetate. ► Only Aspergillus niger yielded the new compound 6′,14-diacetoxy-stypol-4,5-dione. ► This structure was established by 1H, 13C and 2D NMR and supported by DFT/GIAO.
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Authors
Carlos Areche, Inmaculada Vaca, Pamela Labbe, Jorge Soto-Delgado, Luis Astudillo, Mario Silva, Juana Rovirosa, Aurelio San-Martin,