Sesquiterpene lactones. XXXI. New guaianolides in Centaurea bella Trautv. and Centaurea adjarica Alb.

Gerard Nowak, Bohdan Drożdż, Miroslav Holub, Miros Budesinsky, David Sman

Abstract


Nine new guaianolides. I of which are chlorinated, were isolated from the dried, above-ground parts of Centaurea bella Trautv. They are: cebellin A. B, C, D, E. F, G, H and 1. l he known guaianolides centaurepensin and repdiolide were also found. The occurrence of repin. acroptillin and janerin was confirmed. Cebellin F. G. I and repin. acroptillin and janerin were chromatographically shown to occur in Centaurea adjarica Alb.

Keywords


Centaurea bella; new guaianolides; Hyalinella; Compositae

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DOI: https://doi.org/10.5586/asbp.1986.022

Journal ISSN:
  • 2083-9480 (online)
  • 0001-6977 (print; ceased since 2016)
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Polish Botanical Society