Estudo qu?mico de Tovomita pyrifolium Planch et Triana
Autor(a) principal: | |
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Data de Publicação: | 1982 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRRJ |
Texto Completo: | https://tede.ufrrj.br/jspui/handle/jspui/4343 |
Resumo: | From the ethanolic extract of the trunk wood of Tovomita pyrifolium P1. et Tr., family Guttiferae, have been isolated six xanthones: tovopyrifolin B (1), osajaxanthone (2), tovopyrifolin A (3), tovopyrifolin D (4), tovophyllin B (5) and tovophyllin A (9); one pentacyclic triterpene: betulinic acid (6); and one mixture of two steroids: sitosterol (7) and stigmasterol (8). Chromatographic methods were used in the separations of the substances. The structures were elucidated on the basis of the interpretation of the spectral data of the compounds and of their derivatives obtained by acetylation and methylation. A review of xanthones that have been reported was discussed. The biogenetic study of xanthones was considered. |
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Braz Filho, RaimundoBraz Filho, Raimundohttp://lattes.cnpq.br/8788922150657774Costa, Solange Barbosa da Silva2021-01-26T00:47:02Z1982-12-23COSTA, Solange Barbosa da Silva. Estudo qu?mico de Tovomita pyrifolium Planch et Triana. 1982. 152 f. Disserta??o (Mestrado em Qu?mica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 1982.https://tede.ufrrj.br/jspui/handle/jspui/4343From the ethanolic extract of the trunk wood of Tovomita pyrifolium P1. et Tr., family Guttiferae, have been isolated six xanthones: tovopyrifolin B (1), osajaxanthone (2), tovopyrifolin A (3), tovopyrifolin D (4), tovophyllin B (5) and tovophyllin A (9); one pentacyclic triterpene: betulinic acid (6); and one mixture of two steroids: sitosterol (7) and stigmasterol (8). Chromatographic methods were used in the separations of the substances. The structures were elucidated on the basis of the interpretation of the spectral data of the compounds and of their derivatives obtained by acetylation and methylation. A review of xanthones that have been reported was discussed. The biogenetic study of xanthones was considered.Do extrato etan?lico da Tovomita pyrifolium, P1 et Tr.Gutt?ferae, foram isoladas seis xantonas: tovopirifolina B (1), osajaxantona (2), tovopirifolina A (3), tovopirifolina D (4), tovofilina B (5) e uma mistura de tovofilina A (9) + tovofilina B (5); um triterpeno: ?cido betul?nico (6); uma mistura de ester?ides: sitosterol (7) + estigmasterol (8). M?todos cromatogr?ficos foram utilizados no trabalho de isolamento das subst?ncias. As estruturas foram elucidadas com base na interpreta??o de dados espectrais das subst?ncias e de seus derivados obtidos por acetila??o e metila??o. Uma revis?o das xantonas descritas na literatura serviu de apoio para o estabelecimento das estruturas das xantonas estudadas. Considera??es sobre a origem biogen?tica das xantonas foram descritas.Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2021-01-26T00:47:02Z No. of bitstreams: 1 1982 - Solange Barbosa da Silva Costa.pdf: 3730732 bytes, checksum: 4ef4065665049c5ff479ac4060ada34d (MD5)Made available in DSpace on 2021-01-26T00:47:02Z (GMT). No. of bitstreams: 1 1982 - Solange Barbosa da Silva Costa.pdf: 3730732 bytes, checksum: 4ef4065665049c5ff479ac4060ada34d (MD5) Previous issue date: 1982-12-23Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq)application/pdfhttps://tede.ufrrj.br/retrieve/63841/1982%20-%20Solange%20Barbosa%20da%20Silva%20Costa.pdf.jpgporUniversidade Federal Rural do Rio de JaneiroPrograma de P?s-Gradua??o em Qu?micaUFRRJBrasilInstituto de Ci?ncias ExatasTovomita pyrifoliumxantonasester?idesM?todos cromatogr?ficosextrato etan?licoQu?micaEstudo qu?mico de Tovomita pyrifolium Planch et Trianainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRRJinstname:Universidade Federal Rural do Rio de Janeiro (UFRRJ)instacron:UFRRJTHUMBNAIL1982 - Solange Barbosa da Silva Costa.pdf.jpg1982 - Solange Barbosa da Silva Costa.pdf.jpgimage/jpeg2013http://localhost:8080/tede/bitstream/jspui/4343/4/1982+-+Solange+Barbosa+da+Silva+Costa.pdf.jpgc36bc40296231f19b4707704970f440dMD54TEXT1982 - Solange Barbosa da Silva Costa.pdf.txt1982 - Solange Barbosa da Silva Costa.pdf.txttext/plain64812http://localhost:8080/tede/bitstream/jspui/4343/3/1982+-+Solange+Barbosa+da+Silva+Costa.pdf.txt839e7468753d70296b9117edaf05296fMD53ORIGINAL1982 - Solange Barbosa da Silva Costa.pdf1982 - Solange Barbosa da Silva Costa.pdfapplication/pdf3730732http://localhost:8080/tede/bitstream/jspui/4343/2/1982+-+Solange+Barbosa+da+Silva+Costa.pdf4ef4065665049c5ff479ac4060ada34dMD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82089http://localhost:8080/tede/bitstream/jspui/4343/1/license.txt7b5ba3d2445355f386edab96125d42b7MD51jspui/43432021-01-26 02:00:23.797oai:localhost: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Biblioteca Digital de Teses e Dissertaçõeshttps://tede.ufrrj.br/PUBhttps://tede.ufrrj.br/oai/requestbibliot@ufrrj.br||bibliot@ufrrj.bropendoar:2021-01-26T04:00:23Biblioteca Digital de Teses e Dissertações da UFRRJ - Universidade Federal Rural do Rio de Janeiro (UFRRJ)false |
dc.title.por.fl_str_mv |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
title |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
spellingShingle |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana Costa, Solange Barbosa da Silva Tovomita pyrifolium xantonas ester?ides M?todos cromatogr?ficos extrato etan?lico Qu?mica |
title_short |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
title_full |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
title_fullStr |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
title_full_unstemmed |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
title_sort |
Estudo qu?mico de Tovomita pyrifolium Planch et Triana |
author |
Costa, Solange Barbosa da Silva |
author_facet |
Costa, Solange Barbosa da Silva |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Braz Filho, Raimundo |
dc.contributor.referee1.fl_str_mv |
Braz Filho, Raimundo |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/8788922150657774 |
dc.contributor.author.fl_str_mv |
Costa, Solange Barbosa da Silva |
contributor_str_mv |
Braz Filho, Raimundo Braz Filho, Raimundo |
dc.subject.por.fl_str_mv |
Tovomita pyrifolium xantonas ester?ides M?todos cromatogr?ficos extrato etan?lico |
topic |
Tovomita pyrifolium xantonas ester?ides M?todos cromatogr?ficos extrato etan?lico Qu?mica |
dc.subject.cnpq.fl_str_mv |
Qu?mica |
description |
From the ethanolic extract of the trunk wood of Tovomita pyrifolium P1. et Tr., family Guttiferae, have been isolated six xanthones: tovopyrifolin B (1), osajaxanthone (2), tovopyrifolin A (3), tovopyrifolin D (4), tovophyllin B (5) and tovophyllin A (9); one pentacyclic triterpene: betulinic acid (6); and one mixture of two steroids: sitosterol (7) and stigmasterol (8). Chromatographic methods were used in the separations of the substances. The structures were elucidated on the basis of the interpretation of the spectral data of the compounds and of their derivatives obtained by acetylation and methylation. A review of xanthones that have been reported was discussed. The biogenetic study of xanthones was considered. |
publishDate |
1982 |
dc.date.issued.fl_str_mv |
1982-12-23 |
dc.date.accessioned.fl_str_mv |
2021-01-26T00:47:02Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
COSTA, Solange Barbosa da Silva. Estudo qu?mico de Tovomita pyrifolium Planch et Triana. 1982. 152 f. Disserta??o (Mestrado em Qu?mica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 1982. |
dc.identifier.uri.fl_str_mv |
https://tede.ufrrj.br/jspui/handle/jspui/4343 |
identifier_str_mv |
COSTA, Solange Barbosa da Silva. Estudo qu?mico de Tovomita pyrifolium Planch et Triana. 1982. 152 f. Disserta??o (Mestrado em Qu?mica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 1982. |
url |
https://tede.ufrrj.br/jspui/handle/jspui/4343 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal Rural do Rio de Janeiro |
dc.publisher.program.fl_str_mv |
Programa de P?s-Gradua??o em Qu?mica |
dc.publisher.initials.fl_str_mv |
UFRRJ |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Instituto de Ci?ncias Exatas |
publisher.none.fl_str_mv |
Universidade Federal Rural do Rio de Janeiro |
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