SESQUITERPENE LACTONES AND FLAVONOIDS FROM HELENIUM RADIATUM

Article abstract of DOI:10.1016/0031-9422(90)85301-U

The aerial parts of Helenium radiatum afforded two known flavones, the pseudoguaianolide 9-O-desacetylspathulin-2-O-angelate and guaianolide 2-desoxypleniradin-4-O-α-L-rhamnopyranoside.The structures were elucidated by spectroscopic methods and chemical transformations.