New sesquiterpene lactone and other constituents from Centaurea sulphurea (Asteraceae).

@article{Lakhal2010NewSL,
  title={New sesquiterpene lactone and other constituents from Centaurea sulphurea (Asteraceae).},
  author={Hichem Lakhal and Tarek Boudiar and Ahmed Kabouche and Zahia Kabouche and Rachid Touzani and Christian Bruneau},
  journal={Natural product communications},
  year={2010},
  volume={5 6},
  pages={849-50}
}
Five known flavonoids (1-5) and three sesquiterpene lactones (6-8) are reported for the first time from the endemic species Centaurea sulphurea Willd. (Asteraceae). Compound 7 is a new heliangolide (6R, 7R, 8S, 3'R)-8alpha-(3',4'-dihydroxy-methylene-2'-butanoyloxy)-15-oxo-helianga-1 (10), 4(5), 11(13)-trien-6,12-olide, named as sulphurein.