New syntheses of potential biologically active xanthones and benzoxanthones

Rocha, Djenisa H. A.; Leal, Stephanie B.; Seca, Ana M. L.; Pinto, Diana C. G. A.; Silva, Artur M. S.

http://hdl.handle.net/10400.3/2935

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Authors

Rocha, Djenisa H. A.

Leal, Stephanie B.

Seca, Ana M. L.

Pinto, Diana C. G. A.

Silva, Artur M. S.

Abstract(s)

The synthesis of xanthones, adequately functionalized for a specific application, is a challenging task. In this presentation, will be disclosed our recent studies with this unique family of compounds, namely the one-pot photoinduced electrocyclisation of (E)-3-styrylflavones 1 and in situ oxidation of cycloadducts to give 5-phenyl-7H-benzo[c]xanthen-7-one derivatives 2,3a and aromatization studies of (E)-3-aryl-4-benzylidene-8-hydroxy-3,4-dihydro-1H-xanthene-1,9(2H)-diones 33b into 4-benzyl-1,8-dihydroxy-3-phenyl-9H-xanthen-9-one derivatives 4.

Description

10º Encontro Nacional de Química Orgânica e 1º Simpósio Luso-Brasileiro de Química Orgânica, Lisboa, 4-6 Setembro de 2013.

Keywords

Xanthones Synthesis Benzoxanthones

URI

http://hdl.handle.net/10400.3/2935

Citation

Rocha, Djenisa H. A.; Leal, Stéphanie B.; Seca, Ana M. L.; Pinto, Diana C. G. A.; Silva, Artur M. S. (2013). "New syntheses of potential biologically active xanthones and benzoxanthones". 10º Encontro Nacional de Química Orgânica and 1º Simpósio Luso-Brasileiro de Química Orgânica, Lisboa. 4-6 Setembro de 2013, IOC4, Book of Abstracts, pag. 61.