5-desoxiflavonóides e lignana isolados da madeira de Schizolobium parahyba (Vell.) S.F. Blake (guapuruvu) 5-deoxyflavonoids and lignan isolated from the wood of Schizolobium parahyba (Vell.) S.F. Blake (guapuruvu)
Mário Geraldo de Carvalho, Ildomar Alves do Nascimento, Acácio Geraldo de Carvalho
Química Nova · 2008
doi:10.1590/s0100-40422008000600014 (opens in a new tab)
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Abstract
DEOXYFLAVONOIDS AND LIGNAN ISOLATED FROM THE WOOD OF Schizolobium parahyba (Vell.)S.F.Blake (guapuruvu).Four flavonoids, 3,7,4'-trihydroxyflavanone (garbanzol), 7,4'-dihydroxyflavone, 7,4'-dihydroxy-3'-methoxyflavone (geraldone) and 3,4,7,4'-tetrahydroxyflavane (Rel-2R,3S,4S-leucoguibourtinidine, guibourtacacidine) were isolated from the wood of Schizolobium parahyba (Leg., Caesalpinoideae) together with lignan balonofonine, sitosterol, and stigmasterol.The structures were established by IR, NMR and mass spectral data analysis and comparison with literature values.
Abstract licence: CC BY-NC
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