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Título: | A set of biogenetically interesting polyhalogenated acetogenins from Ptilonia magellanica |
Autor: | Gallardo, Amalia; Cueto, Mercedes CSIC ORCID ; Díaz-Marrero, Ana R. CSIC ORCID; Rosa, José M. de la CSIC ORCID; Fajardo, Víctor; San-Martín, Aurelio; Darias, José CSIC | Palabras clave: | Biogenesis Absolute configuration Unusual halogenation pattern Magellenediol Strait of Magellan Ptilonines Red algae Bonnemaisoniaceae Ptilonia magellanica Pyranosylmagellanicus |
Fecha de publicación: | ene-2018 | Editor: | Elsevier | Citación: | Phytochemistry 145: 111-120 (2018) | Resumen: | Ptilonines A−F, pyranosylmagellanicus D−E and magellenediol are previously undescribed acetogenins isolated from the red alga Ptilonia magellanica. Their structures were determined from spectroscopic evidence. The absolute configuration of the known pyranosylmagellanicus A, was established by derivatization with (R)− and (S)−α−methoxy −α−phenylacetic acids (MPA). Ptilonines exhibit an unusual halogenation pattern, that may confer evolutionary advantages to Ptilonia magellanica, for which a biogenetic origin is proposed. The antimicrobial effect of some of these compounds was evaluated. | Versión del editor: | https://doi.org/10.1016/j.phytochem.2017.06.010 | URI: | http://hdl.handle.net/10261/179227 | DOI: | 10.1016/j.phytochem.2017.06.010 | Identificadores: | doi: 10.1016/j.phytochem.2017.06.010 issn: 0031-9422 e-issn: 1873-3700 |
Aparece en las colecciones: | (IPNA) Artículos |
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