An unusual C-6-C-6 '' linked flavonoid from Miconia cabucu (Melastomataceae)

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dc.contributor.authorRodrigues, Juliana
dc.contributor.authorRinaldo, Daniel
dc.contributor.authordos Santos, Lourdes Campaner
dc.contributor.authorVilegas, Wagner [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:27:56Z
dc.date.available2014-05-20T15:27:56Z
dc.date.issued2007-07-01
dc.description.abstractChromatographic fractionation of the methanolic extract from the leaves of Miconia cabucu Hoehne (Melastomataceae) afforded the first example of a C-6-C-6 linked flavone dimer, 5-hydroxy-4',7-dimethoxyflavone-(6-C-6)-5-hydroxy-3 4',7-trimethoxyflavone as well as the known compounds, quercetin- 3-O-alpha-L- rhamnopyranosyl-(2 -> 1)-O-beta-D-xylopyranoside, quercetin-3-O-alpha-L-rhamnopyranoside, myricetin-3-O-alpha-L-rhamnopyranoside, quercetin-3-O-beta-D-glucopyranoside, kaempferol -3-O-beta-D-(6-coumaroyl) -glucopyranoside and gallic acid. Their chemical identities were established by application of NMR spectroscopic methods including 2D-NMR, as well as UV and ESI-MS analyses. (c) 2007 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, UNESP, BR-1480197 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, UNESP, BR-1480197 São Paulo, Brazil
dc.format.extent1781-1784
dc.identifierhttp://dx.doi.org/10.1016/j.phytochem.2007.04.020
dc.identifier.citationPhytochemistry. Oxford: Pergamon-Elsevier B.V., v. 68, n. 13, p. 1781-1784, 2007.
dc.identifier.doi10.1016/j.phytochem.2007.04.020
dc.identifier.issn0031-9422
dc.identifier.lattes7927877224326837
dc.identifier.orcid0000-0003-3032-2556
dc.identifier.urihttp://hdl.handle.net/11449/37851
dc.identifier.wosWOS:000248365800011
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPhytochemistry
dc.relation.ispartofjcr3.186
dc.relation.ispartofsjr1,048
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectMiconia cabucupt
dc.subjectMelastomataceaept
dc.subjectflavonoidspt
dc.subjectflavone dimerpt
dc.titleAn unusual C-6-C-6 '' linked flavonoid from Miconia cabucu (Melastomataceae)en
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes7927877224326837
unesp.author.orcid0000-0001-5363-6481[2]
unesp.author.orcid0000-0003-3032-2556[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, São Vicentept

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Artigos - Ciências Biológicas - São Vicente