Phytochemical investigations of Vernonia flexuosa Sims. Part II. Vernoflexuoside and vernoflexin--new sesquiterpene lactones.
The isolation and structural elucidation of two new sesquiterpene lactones from the roots of Vernonia fexuosa Sims. were described. Vernoflexuoside and vernoflexin have been identified as guianolides with the structure I and V respectively.
D055598:Chemical Phenomena; D002621:Chemistry; D007783:Lactones / Q000302:isolation & purification*; D010944:Plants / Q000032:analysis*; D012717:Sesquiterpenes / Q000302:isolation & purification*
D007783:Lactones; D012717:Sesquiterpenes