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Nuevos Sesquiterpenos Aislados de Perezia recurvata, una planta de la Región Austral de Chile

Authors: Gallardo, Amalia; Díaz-Marrero, Ana Raquel; Oyarzun, Alejandra; Aragón, Z.; Cueto, Mercedes; Darias, José; Fajardo, Víctor;

Nuevos Sesquiterpenos Aislados de Perezia recurvata, una planta de la Región Austral de Chile

Abstract

Los estudios fitoquímicos de la subtribu Nassauviinae, han permitido el aislamiento y caracterización de un gran número de sesquiterpenos que presentan un esqueleto poco usual, iso--cedrano, que parece ser representativo de esta tribu. Estos sesquiterpenos se han aislado de especies de los géneros Jungia, Moschariu, Perezia, Proustia, Pleocarpus y Trixis. El género Perezia, con cerca de 30 especies, se distribuye principalmente en América del Sur, en la Región de los Andes. En este trabajo informamos del aislamiento y caracterización de tres sesquiterpenos (dos de ellos nuevos) con esqueleto cedrano, aislados de Perezia recurvata (Vahl) Lessing (Asteraceae). Las estructuras fueron determinadas mediante estudios espectroscópicos. La configuración relativa de los productos se estableció mediante análisis de experimentos NOESY y estudios de mecánica molecular.

Este trabajo ha sido financiado por el MICINN (BIO2007-61745, SAF2010-16858), así como por un proyecto de Colaboración Conjunta entre el CSIC y la Universidad de Magallanes. A. Gallardo agradece a la Universidad de Magallanes su generosa ayuda.

Trabajo presentado en la XVII Semana Científica "Antonio González" celebrada en San Cristóbal de La Laguna (Tenerife) del 7 al 11 de octubre de 2013.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
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