Nuevas lactonas sesquiterp?nicas de Perymenium grande

Three new sesquiterpenes lactonaes were isolated from the aerial parts of Perymenium grande Hemsl. (Asteraceae), collected around Rinc?n de la Vieja? Volcano, Costa Rica.?In addition to the three?new lactones 1, 3 and 5; were isolated the additional five known sesquiterpenes?lactones. The separation...

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Main Authors: Murillo Mas?s, Renato, Castro Araya, V?ctor H., Araya, J., Poveda ?lvarez, Luis J.
Format: Artículo
Language: Español
Published: 2015
Online Access: http://revistas.ucr.ac.cr/index.php/cienciaytecnologia/article/view/2648
http://hdl.handle.net/10669/14624
Summary: Three new sesquiterpenes lactonaes were isolated from the aerial parts of Perymenium grande Hemsl. (Asteraceae), collected around Rinc?n de la Vieja? Volcano, Costa Rica.?In addition to the three?new lactones 1, 3 and 5; were isolated the additional five known sesquiterpenes?lactones. The separation were performed with chromatographic techniques and the structures were elucidated by one- and two-dimensional nuclear magnetic resonance techniques.