Barbosa, LCD; Costa, AV; Pilo-Veloso, D; Lopes, JLC; King-Diaz, B; Lotina-Hennsen, B; Hernández-Terrones, MG
(2004)
The sesquiterpene lactone glaucolide B (1), isolated from Vernonia fruticulosa (Asteraceae), was transformed into six lactones (2-7). The structures of the products were elucidated by spectroscopic analysis. A series of ...