Otro
A new ent-kaurane diterpene from stems of Alibertia macrophylla K. Schum. (Rubiaceae)
Registro en:
Helvetica Chimica Acta, v. 90, n. 9, p. 1781-1785, 2007.
0018-019X
10.1002/hlca.200790187
WOS:000249941300017
2-s2.0-34948816558
Autor
Da Silva, Viviane Cândida
Faria, Andréia de Oliveira
Bolzani, Vanderlan da Silva
Lopes, Márcia Nasser
Resumen
Phytochemical investigations of the stems of a specimen of Alibertia macrophylla led to the isolation and characterization of the new diterpene ent-kaurane-2β,3α,16α-triol (1), along with triterpenes 2-8, iridoids 9-12, and phenolic acids 13-15. The structure of 1 was established based on spectroscopic studies (1H- and 13C-NMR, IR, and HR-ESI-MS). This is the first report of the isolation of a diterpene from the Alibertia genus in Rubiaceae. © 2007 Verlag Helvetica Chimica Acta AG.
Materias
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