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2’,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: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:scopusHemisynthesis and Bactericidal Activity of Several Substituted Benzoic Acid Esters of 13(S)-Labdan-8α,15-Diol, a Diterpene from Oxylobus glanduliferus
ArticleAbstract: The diterpene 13(S)-labdan-8α,15-diol (1) was isolated in high yield from Oxylobus glanduliferus, aPalabras claves:bactericidal activity, esterifications, labdanes, NMR, substituted benzoic acidsAutores:Deffieux D., Jacquet R., Juan Manuel Amaro-Luis, Maria E. Lucena Escalona, Pablo A. Chacón-Morales, Peixoto P.A., Pouységu L., Quideau S., Rios Tesch N.N., Rodriguez Pena M.A., Rojas-Fermin L.B.Fuentes:scopusMeridane and uladane, two unprecedented sesquiterpene skeletons obtained by Wagner-Meerwein rearrangements of Longipinane derivatives
ArticleAbstract: Three new tricyclic structures were obtained from 7β-hydroxy-9-oxolongipin-2-en-1-one (2). CompoundsPalabras claves:Longipinane, Molecular rearrangements, NMR, Novel skeletons, Stevia lucida LagascaAutores:Juan Manuel Amaro-Luis, Pablo A. Chacón-MoralesFuentes:scopusUnexpected reduction-allylic oxidation of hemisynthetic diosphenols from longipinene derivatives
ArticleAbstract: The 7β,9α-dihydroxylongipin-2-en-1-one (1) was obtained by basic hydrolysis of a dichloromethane extPalabras claves:Allylic oxidations, Diosphenols, Isomerization, Longipinenes, NMR, Stevia lucidaAutores:Juan Manuel Amaro-Luis, Pablo A. Chacón-Morales, Santiago Carolina Dugarte del RosarioFuentes:scopusPreparation and bactericidal activity of oxidation derivatives of austroeupatol, an ent-nor-furano diterpenoid of the labdane series from Austroeupatorium inulifolium
ArticleAbstract: From aerial parts of Austroeupatorium inulifolium was obtained austroeupatol (1). The treatment of 1Palabras claves:Austroeupatol, Austroeupatorium inulifolium, bactericidal activity, IBX, NMR, oxidative cleavageAutores:Beltrán Rojas Fermín L., Deffieux D., Juan Manuel Amaro-Luis, Pablo A. Chacón-Morales, Peixoto P.A., Pouységu L., Quideau S.Fuentes:scopusPreparation of a ε-caprolactonic diterpenoid derivate by unexpected oxidative cleavage/lactonization of 2-oxoaustroeupatol
ArticleAbstract: From aerial parts of Austroeupatorium inulifolium was isolated the ent-nor-furano triol labdane austPalabras claves:Austroeupatol, IBX, Lactonization, NaIO 4, NMR, oxidative cleavageAutores:Deffieux D., Jacquet R., Juan Manuel Amaro-Luis, Pablo A. Chacón-Morales, Pouységu L., Quideau S., Rojas-Fermin L.B.Fuentes:scopus