Cacalolides from Senecio madagascariensis

Eleuterio Burgueño-Tapia, María A. Bucio, Augusto Rivera, Pedro Joseph-Nathan

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

23 Citas (Scopus)

Resumen

14-Isovaleryloxy-O-methyl-1,2-dehydrocacalol (1) and cycloart-23-ene-3,25-diol, β-sitosterol, and stigmasterol, along with five new cacalolides, 1-hydroxy-2-methoxy-1,2,3,4-dehydro-6-dehydroxycacalone (2), 1-hydroxy-2-methoxy-1,2,3,4-dehydrocacalone (3), 1,2-dimethoxy-1,2,3,4-dehydro-6-dehydroxycacalone (4), 1,2-dimethoxy-1,2,3,4-dehydrocacalone (5), and 2-methoxy-O-methyl-1-oxo-2,3-dehydrocacalol (6), were isolated from Senecio madagascariensis collected from Colombia. The structures of the new compounds were determined using one- and two-dimensional NMR techniques. In addition, the structure of 2 was corroborated by derivatizations and single-crystal X-ray diffraction studies.

Idioma originalInglés
Páginas (desde-hasta)518-521
Número de páginas4
PublicaciónJournal of Natural Products
Volumen64
N.º4
DOI
EstadoPublicada - abr. 2001
Publicado de forma externa

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