Equilibrio de calcona-flavanona en la mezcla isomérica: 2',3,4,4',6'-Pentahidroxicalcona y Eriodictyol de Stevia lucida

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dc.contributor.authorPablo Chacón Morales
dc.contributor.authorCarolina Santiago Dugarte
dc.contributor.authorJuan M. Amaro
dc.coverage.spatialBolivia
dc.date.accessioned2026-03-22T18:27:00Z
dc.date.available2026-03-22T18:27:00Z
dc.date.issued2021
dc.description.abstractFrom the leaves and stems of Stevia lucida Lagasca (Asteraceae), an equilibrium chalcone-flavanone isomeric mixture, composed of 2',3,4,4',6'-pentahydroxychalcone (8) (eriodictyol-chalcone) and eriodictyol (9) [ratio 8/9 5:3], was isolated as an isomorphic crystal. The mixture was structurally characterized by spectroscopic methods, including 1D- and 2D-NMR experiments. The presence of chalcones in the genus Stevia is reported here for the second time.
dc.identifier.urihttp://erevistas.saber.ula.ve/index.php/avancesenquimica/article/download/16890/21921928032
dc.identifier.urihttps://andeanlibrary.org/handle/123456789/70181
dc.language.isoes
dc.publisherUniversidad de Los Andes
dc.relation.ispartofAvances en Química
dc.sourceUniversidad de Los Andes
dc.subjectEriodictyol
dc.subjectChalcone
dc.subjectFlavanone
dc.subjectStevia
dc.subjectChemistry
dc.subjectStereochemistry
dc.subjectBotany
dc.titleEquilibrio de calcona-flavanona en la mezcla isomérica: 2',3,4,4',6'-Pentahidroxicalcona y Eriodictyol de Stevia lucida
dc.typearticle

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