Tetraoxygenated xanthones from centaurium erythraea

Valentão, Patrícia; Areias, Filipe M.; Amaral, Joana S.; Andrade, Paula B.; Seabra, Rosa M.

http://hdl.handle.net/10198/5010

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Abstract(s)

Three tetraoxygenated xanthones, 1,6-dihydroxy-3,5-dimethoxyxanthone, 3-hydroxy-1,5,6-trimethoxyxanthone and 1,3,5-trihydroxy-2-methoxyxanthone, were isolated for the first time from the aerial parts of C. erythraea. Their structure were established by spectroscopic means and by comparison with literature references.

Keywords

Centarium erythraea 1,6-dihydroxy-3,5-dimethoxyxanthone 3-hydroxy-1,5,6-trimethoxyxanthone 1,3,5-trihydroxy-2-methoxyxanthone

URI

http://hdl.handle.net/10198/5010

Citation

Valentão, P.; Areias, F.; Amaral, J.S.; Seabra, R. (2000). Tetraoxygenated xanthones from centaurium erythraea. Natural Product Letters. ISSN 1057-5634. p.319-323