Browsing by Author "Rovirosa, Juana"
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Item Bioactive monoterpenes from antarctic Plocamium Cartilagineum(Sociedad Chilena de Química, 2013) Rovirosa, Juana; Soler, Agnes; Blanc, Vanessa; León, Rubén; San Martín, AurelioIn a chemical analysis of the red seaweed Plocamium cartilagineum collected in Antarctic Peninsula, four polyhalogenated monoterpenes were isolated. Their structures were established by spectroscopic techniques. Two of them are acyclic monoterpenes and the others are cyclic. We report the antimicrobial, insecticide and acaricide activities of compounds.Item Esteroides de las esponjas antárticas Cinachyra barbata Sollas y Xestospongia sp.(1990) Seldes, Alicia; Romero, Marta; Gros, Eduardo; Darias, José; Rovirosa, Juana; San Martín, AurelioTanto en Cinachyra barbata Sollas como en Xestospongia sp,. se identificaron por CG-EM, doce esteroles. En ambas se encontraron once esteroides con núcleo Δ5 y uno Δº. El compuesto principal en C. barbata fue (22E, 24 ɛ) -24- Metilcolesta. 5.22-dien-3 β - ol y en Xestospongia sp. 24-Metilcolesta- 5.24(28)-dien-3 β - ol.