Bomm, M. D.Zukerman-Schpector, J.Lopes, LMX2014-05-202014-05-201999-02-01Phytochemistry. Oxford: Pergamon-Elsevier B.V., v. 50, n. 3, p. 455-461, 1999.0031-9422http://hdl.handle.net/11449/37345From stems of Aristolochia chamissonis Duch., five new diterpenes, one rearranged (4 --> 2)-abeo-clerodane and four ent-clerodanes, were isolated. Their structures were determined to be (+)-(4 --> 2)-abeo-kolavelool-3-oic acid, (-)-13-epi-2-oxokolavelool, (-)-2 beta-hydroxykolavelool, (-)-2 beta-hydroperoxykolavelool and (+)- 13-epi-2 alpha-hydroxykolavelool. In addition, lignans, sesquiterpenes, steroids and two known ent-clerodane diterpenes were isolated. (C) 1998 Elsevier B.V. Ltd. All rights reserved.455-461engAristolochia chamissonisAristolochiaceaediterpeneclerodanerearranged (4 -> 2)-abeo-clerodanelignanssesquiterpenessitosterolstigmastenoneRearranged (4 -> 2)-abeo-clerodane and clerodane diterpenes from Aristolochia chamissonisArtigo10.1016/S0031-9422(98)00583-4WOS:000078217500016Acesso restrito