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Chalcone-flavanone equilibrium in the isomeric mixture: 2',3,4,4',6'-Pentahydroxychalcone and eriodictyol from Stevia lucida
ArticleAbstract: From the leaves and stems of Stevia lucida Lagasca (Asteraceae), an equilibrium chalcone-flavanone iPalabras claves:2',3,4,4',6'-pentahydroxychalcone, Chalcones, Equilibrium mixture, Eriodictyol, Flavanones, SteviaAutores:Juan Manuel Amaro-Luis, Pablo A. Chacón-Morales, Santiago Carolina Dugarte del RosarioFuentes:scopusBiflavones from the leaves of Retrophyllum rospigliosii
ArticleAbstract:Palabras claves:Biflavones, Chemotaxonomy, Podocarpaceae, Retrophyllum rospigliosiiAutores:Amesty A., Bahsas A., Juan Manuel Amaro-Luis, Montealegre R.Fuentes:scopus2’,3,4-trihydroxychalcone, phloretin and calomelanone from Stevia lucida. The first chalcones reported in Stevia Genus
ArticleAbstract: The known chalcones 2’,3,4-trihydroxychalcone (1), phloretin (2) and calomelanone (3) were isolatedPalabras claves:Chalcones, Dihydrochalcones, NMR, SteviaAutores:Juan Manuel Amaro-Luis, Pablo A. Chacón-Morales, Santiago Carolina Dugarte del RosarioFuentes:scopusAbsolute configuration of two eudesmane derivatives from verbesina turbacensis H.B.K.
ArticleAbstract: Two compounds isolated from the aerial parts of Verbesina turbacensis H.B.K, are reported in this woPalabras claves:Crystal structure, Eudesmane, sesquiterpenes, Verbesina derivativesAutores:Bruno-Colmenarez J., Delgado-Méndez P., Díaz De Delgado G., Juan Manuel Amaro-Luis, Ramírez I.Fuentes:scopusFlavonoids from the leaves of chromolaena subscandens
ArticleAbstract: Phytochemical analysis of the leaves from Chromolaena subscandens afforded β-sitosterol, umbelliferoPalabras claves:Autores:Delgado-Méndez P., Juan Manuel Amaro-LuisFuentes:scopusNaphthopyranones from rhizomes of Paepalanthus diffissus
ArticleAbstract: From a dichloromethane extract obtained of rhizomes of Paepalanthus diffissus Moldenke (EriocaulaceaPalabras claves:Eriocaulaceae, Naphthopyranones, Paepalanthus, VioxanthinAutores:Abad-Reyes J., Alvarado J., Juan Manuel Amaro-Luis, Montealegre R.Fuentes:scopusNorditerpene dilactones from decussocarpus rospigliosii<sup>1</sup>
ArticleAbstract:Palabras claves:Autores:Carroz D., Juan Manuel Amaro-LuisFuentes:scopusHelenin from Stevia lucida. The first report of this natural eudesmanolide mixture in Eupatorieae tribe
ArticleAbstract: From aerial parts of Stevia lucida Lagasca was isolated the natural mixture of isomeric eudesmanolidPalabras claves:alantolactone, Eupatorieae, Helenin, isoalantolactone, NMR, Stevia lucidaAutores:Juan Manuel Amaro-Luis, Pablo A. Chacón-Morales, Santiago Carolina Dugarte del RosarioFuentes:scopusLatazienone, a new lathyrane-type diterpenoid from Euphorbia latazi Kunth
ArticleAbstract: A new lathyrane-type diterpene 8α,15β-diacetoxy-7β-benzoyloxy-3β- (2-methylpropanoyloxy)-4αH,9αH, 11Palabras claves:Diterpene, Euphorbia latazi Kunth, euphorbiaceae, LathyraneAutores:Bahsas A., Buitrago D., Janne Del C. Rojas-Vera, Juan Manuel Amaro-Luis, María Eugenia Rondón, Morales A.Fuentes:scopusIsolation and characterization of (+)-mellein, the first isocoumarin reported in Stevia genus
ArticleAbstract: From the acetone extract obtained of leaves and stems of Stevia lucida Lagasca were isolated the folPalabras claves:flavonoids, Hispidulin, Isocoumarins, Isosakuranetin, Pectolinaringenin, SteviaAutores:Bahsas A., Juan Manuel Amaro-Luis, Pablo A. Chacón-MoralesFuentes:scopus