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

Nat Prod Commun. 2010 Jun;5(6):849-50.

Abstract

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.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Centaurea / chemistry*
  • Flavonoids / chemistry*
  • Molecular Structure
  • Sesquiterpenes / chemistry*

Substances

  • Flavonoids
  • Sesquiterpenes
  • sulphureidin