Machado, Marcos B. [UNESP]Lopes, Lucia Maria Xavier [UNESP]2014-05-202014-05-202008-12-01Phytochemistry. Oxford: Pergamon-Elsevier B.V. Ltd, v. 69, n. 18, p. 3095-3102, 2008.0031-9422http://hdl.handle.net/11449/26038Biflavones, a chalcone-flavone, and a tetraflavonoid with a new carbon skeleton were isolated from the leaves of Aristolochia ridicula. Their structures were determined by chemical derivatizations and spectrometric analyses. (c) 2008 Elsevier Ltd. All rights reserved.3095-3102engAristolochia ridiculaAristolochiaceaeStructural elucidationFlavonoidBiflavonoidTetraflavonoidChalcone-flavoneRidiculuflavone DRidiculuflavonylchalcone BRidiculuflavonylchalcone CArtigo10.1016/j.phytochem.2008.04.025WOS:000262213200015Acesso restrito5981353442037051