de Pascoli, I. C.Nascimento, I. R.Lopes, LMX2014-05-202014-05-202006-04-01Phytochemistry. Oxford: Pergamon-Elsevier B.V., v. 67, n. 7, p. 735-742, 2006.0031-9422http://hdl.handle.net/11449/39682(8S,8'R,9S)-, (8R,8'R,9R)-, and (8R,8',R,9S)-cubebins, together with (8R,8'R,8R,8'''R,9R,9S)-bicubebin, were isolated from Aristolochia lagesiana and Aristolochia pubescens. Their structures were determined by spectroscopic methods, including H-1 and C-13 NMR spectroscopy at low temperatures, and by chemical transformations. (c) 2006 Elsevier Ltd. All rights reserved.735-742engAristolochia pubescensAristolochia lagesianaAristolochiaceaelignancubebinbutyrolactolbicubebinArtigo10.1016/j.phytochem.2006.01.019WOS:000236819800014Acesso restrito