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The first example of natural cyclic carbonate in terpenoids

  • Autori: Rosselli, S.; Maggio, A.; Bellone, G.; Bruno, M.
  • Anno di pubblicazione: 2006
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • OA Link:


The first natural occurring cyclic carbonate terpenoid, the guaianolide hololeucin (1), was isolated from the aerial part of Centaurea hololeuca. Its structure was elucidated on the basis of extensive proton, C-13 and two-dimensional NMR experiments, as well as by transformation in its diacetyl derivative.