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Two New Flavonoids from Bonannia graeca : a DFT‐NMR Combined Approach in Solving Structures

2007; Wiley; Volume: 2007; Issue: 15 Linguagem: Inglês

10.1002/ejoc.200600969

1434-193X

Sergio Rosselli, Maurizio Bruno, Antonella Maggio, Gabriella Bellone, Carmen Formisano, Carlo Andrea Mattia, Simone Di Micco, Giuseppe Bifulco,

Bioactive Compounds and Antitumor Agents

Abstract Two new cyclized C ‐geranylated flavonoids, the dihydroflavonol bonanniol C ( 4a ) and the flavanone bonannione B ( 6a ), were isolated as minor compounds from the aerial parts of Bonannia graeca (Umbelliferae). Their structures were elucidated by a combined approach of extensive spectroscopic means and quantum mechanical methods. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)