T. Akihisa et al., HELIANOL BEO-8-ALPHA,9-BETA,10-ALPHA-EUPHA-4,24-DIEN-3-OL], A NOVEL TRITERPENE ALCOHOL FROM THE TABULAR FLOWERS OF HELIANTHUS-ANNUUS L, Chemical and Pharmaceutical Bulletin, 44(6), 1996, pp. 1255-1257
A novel 3,4-seco-triterpene alcohol with a migrated euphane-type skele
ton, called helianol, was isolated together with seven known triterpen
e alcohols from the nonsaponifiable Lipid of the tabular flower extrac
t of Helianthus annus L. The structure was determined by extensive spe
ctroscopic analyses.