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Quinones from Heliotropium ovalifolium

Guntern, Alain
Ioset, Jean-Robert
Queiroz, Emerson Ferreira
Foggin, C.M.
Published in Phytochemistry. 2001, vol. 58, p. 631-635
Abstract Two new benzoquinones, heliotropinones A and B, have been isolated from the aerial parts of Heliotropium ovalifolium. Their structures were elucidated by spectrometric methods including high resolution electrospray ionization (ESI-HR), EI mass spectrometry, H-1, C-13 and 2D NMR experiments. The two quinones demonstrated antifungal activities against Cladosporium cucumerinum and Candida albicans as well as antibacterial activity against Bacillus subtilis.
Keywords Heliotropium ovalifoliumBoraginaceaequinonesheliotropinone A-BCladosporium cucumerinumCandida albicansBacillus subtilis
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