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Título

Neo-clerodane diterpenes from Teucrium fruticans

AutorColl Toledano, Josep; Tandrón, Yudelsy A.
Palabras claveTeucrium fruticans
Labiatae
Structure elucidation
NMR
Neo-clerodane diterpenes
Antifeedant activity
Fecha de publicaciónfeb-2004
EditorElsevier
CitaciónPhytochemistry 65(4): 387-392 (2004)
ResumenIn addition to three out of the four previously reported neo-clerodanes already found in Teucrium fruticans (fruticolone, isofruticolone and 8β-hydroxyfruticolone), and 6-acetylteucjaponin B (isolated from T. scordium and T. grisebachii), four new neo-clerodanes, namely 7β-hydroxyfruticolone, 11-hydroxyfruticolone, deacetylfruticolone and 6-acetyl-10-hydroxyteucjaponin B were also isolated. The structures were unambiguously elucidated based on extensive NMR spectral studies (one- and two-dimensional experiments). Semi-prep-HPLC proved to be a convenient purification procedure, occasionally being followed by TLC. The new compounds were assayed against Spodoptera littoralis and two of them were shown to have potent antifeedant activity.
Descripción6 pages, 1 figure, 3 tables.-- PMID: 14759529 [PubMed].-- Available online Nov 13, 2003.-- Issue title: "Reports on Structure Elucidation".
Versión del editorhttp://dx.doi.org/10.1016/j.phytochem.2003.09.018
URIhttp://hdl.handle.net/10261/18215
DOI10.1016/j.phytochem.2003.09.018
ISSN0031-9422 (Print)
1873-3700 (Online)
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