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Título

A chemotaxonomic study of nine Canarian Sideritis species

AutorFraga, Braulio M. ; Hernández, Melchor G.; Fernández, Concepción; Santana, José M. H.
Palabras claveSideritis
Chemotaxonomy
Diterpenes
Epiadejone
Triterpenes
Coumarins
Flavones
3(2H)-Benzofuranones
Solutin
Fecha de publicación15-jun-2009
EditorElsevier
CitaciónPhytochemistry (2009), doi: 10.1016/j.phytochem.2009.05.011 (In press)
ResumenNine taxa of the Sideritis genus, Sideritis argosphacelus var. spicata, Sideritis candicans var. eriocephala, Sideritis discolor, Sideritis kuegleriana, Sideritis lotsyi, Sideritis lotsyi var. mascaensis, Sideritis marmorea, Sideritis soluta and Sideritis tenoi, which are endemic from the Canary Islands, have been chemically studied. The diterpene sicanatriol 7β,18-diacetate was obtained from S. argosphacelus var. spicata, whilst a nor-diterpene, epiadejone, and the 3(2H)-benzofuranone solutin have been found in S. soluta. Another diterpene, sidendrodiol 18-monoacetate, has been isolated from S. argosphacelus var. spicata, for the first time as a natural product. Known sesquiterpenes, diterpenes, triterpenes, sterols, flavones, coumarins and other aromatic derivatives have also been isolated. These studies support the botanical division of the genus into two subgenera, Sideritis and Marrubiastrum, the three sections of the latter subgenus, Cretica, Empedocleopsis and Marrubiastrum, and the elevation of S. argosphacelus var. spicata, S. candicans var. eriocephala and S. lotsyi var. mascaensis to the rank of species.
Descripción11 pages, 1 table.-- PMID: 19535115 [PubMed].-- Article in press.
Versión del editorhttp://dx.doi.org/10.1016/j.phytochem.2009.05.011
URIhttp://hdl.handle.net/10261/14814
DOI10.1016/j.phytochem.2009.05.011
ISSN0031-9422
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