Estudo qu?mico da Apuleia leiocarpa

Detalhes bibliográficos
Ano de defesa: 1971
Autor(a) principal: Braz Filho, Raimundo lattes
Orientador(a): Gottlieb, Otto Richard lattes
Banca de defesa: Não Informado pela instituição
Tipo de documento: Tese
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal Rural do Rio de Janeiro
Programa de Pós-Graduação: Programa de P?s-Gradua??o em Qu?mica
Departamento: Instituto de Ci?ncias Exatas
País: Brasil
Palavras-chave em Português:
Qu?mica
Área do conhecimento CNPq:
Qu?mica
Link de acesso: https://tede.ufrrj.br/jspui/handle/jspui/4226
Resumo: The benzene extract from the heart of Apuleia leiocarpa (Vog.) Macbr., Leguminosa-Caesalinioideae family contains (+)-pinitol, ?-sitosterol and 10 flavones. Three of these flevones are known as ayanine (CIV), oxyanine A (XCVII) and oxyanine B (CXXXVI). The constitution of the 7 new flavones, apulein (LXXIX), 5-0-demethylapuleine (LXXX), apuleisin (CXVI), apuleftrin (CXL), apuleirin (CLV), apuleidine (CXLVI) and 5-0-methyloxyanine A (XCVIII) have been established. Structural proposal is also launched for leiocarpine (CLXXVI), a new ptercarpan isolated from the benzene extract of the bark. The unusual oxygenation pattern of the flavones studied in this work is discussed. Comparison of extracts from different parts of the Apuleina morales species, by thin silica layer chromatography, showed no difference in chemical composition with respect to Apuleia leiocarpa.
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spelling Gottlieb, Otto Richardhttp://lattes.cnpq.br/8174445528014427http://lattes.cnpq.br/6747215104363265Braz Filho, Raimundo2020-12-01T17:09:19Z1971-01-02BRAZ FILHO, Raimundo. Estudo qu?mico da Apuleia leiocarpa. 1971. 373 f. Tese (Doutorado em Qu?mica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 1971.https://tede.ufrrj.br/jspui/handle/jspui/4226The benzene extract from the heart of Apuleia leiocarpa (Vog.) Macbr., Leguminosa-Caesalinioideae family contains (+)-pinitol, ?-sitosterol and 10 flavones. Three of these flevones are known as ayanine (CIV), oxyanine A (XCVII) and oxyanine B (CXXXVI). The constitution of the 7 new flavones, apulein (LXXIX), 5-0-demethylapuleine (LXXX), apuleisin (CXVI), apuleftrin (CXL), apuleirin (CLV), apuleidine (CXLVI) and 5-0-methyloxyanine A (XCVIII) have been established. Structural proposal is also launched for leiocarpine (CLXXVI), a new ptercarpan isolated from the benzene extract of the bark. The unusual oxygenation pattern of the flavones studied in this work is discussed. Comparison of extracts from different parts of the Apuleina morales species, by thin silica layer chromatography, showed no difference in chemical composition with respect to Apuleia leiocarpa.O extrato benz?nico do cerne da Apuleia leiocarpa (Vog.) Macbr., fam?lia Leguminosa-Caesalinioideae cont?m (+)-pinitol, ?-sitosterol e10 flavonas. Tr?s destas flevonas s?o conhecidas como aianina (CIV), oxiaianina A (XCVII) e oxiaianina B (CXXXVI). A constitui??o das 7 novas flavonas, apuleina (LXXIX), 5-0-desmetilapuleina (LXXX), apuleisina (CXVI), apuleftrina (CXL), apuleirina (CLV), apuleidina (CXLVI) e 5-0-metiloxiaianina A(XCVIII) foram estabelecidas. Proposi??o estrutural ? tamb?m lan?ada para a leiocarpina (CLXXVI), um novo ptercarpano isolado do extrato benz?nico da casca. O padr?o de oxigena??o fora do comum das flavonas estudadas neste trabalho ? discutido. Compara??o de extratos de diferentes partes da esp?cie Apuleina morales, por cromatografia em camada delgada de s?lica, n?o revelou diferen?a em composi??o qu?mica com rela??o Apuleia leiocarpa.Submitted by Celso Magalhaes (celsomagalhaes@ufrrj.br) on 2020-12-01T17:09:19Z No. of bitstreams: 1 1971 - Raimundo Braz Filho.pdf: 20398658 bytes, checksum: 7e3a4d8b2839e86617229f06923fa571 (MD5)Made available in DSpace on 2020-12-01T17:09:19Z (GMT). No. of bitstreams: 1 1971 - Raimundo Braz Filho.pdf: 20398658 bytes, checksum: 7e3a4d8b2839e86617229f06923fa571 (MD5) Previous issue date: 1971-01-02Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico - CNPqFunda??o de Amparo ? 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dc.title.por.fl_str_mv Estudo qu?mico da Apuleia leiocarpa
title Estudo qu?mico da Apuleia leiocarpa
spellingShingle Estudo qu?mico da Apuleia leiocarpa
Braz Filho, Raimundo
Qu?mica
Qu?mica
title_short Estudo qu?mico da Apuleia leiocarpa
title_full Estudo qu?mico da Apuleia leiocarpa
title_fullStr Estudo qu?mico da Apuleia leiocarpa
title_full_unstemmed Estudo qu?mico da Apuleia leiocarpa
title_sort Estudo qu?mico da Apuleia leiocarpa
author Braz Filho, Raimundo
author_facet Braz Filho, Raimundo
author_role author
dc.contributor.advisor1.fl_str_mv Gottlieb, Otto Richard
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/8174445528014427
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/6747215104363265
dc.contributor.author.fl_str_mv Braz Filho, Raimundo
contributor_str_mv Gottlieb, Otto Richard
dc.subject.por.fl_str_mv Qu?mica
topic Qu?mica
Qu?mica
dc.subject.cnpq.fl_str_mv Qu?mica
description The benzene extract from the heart of Apuleia leiocarpa (Vog.) Macbr., Leguminosa-Caesalinioideae family contains (+)-pinitol, ?-sitosterol and 10 flavones. Three of these flevones are known as ayanine (CIV), oxyanine A (XCVII) and oxyanine B (CXXXVI). The constitution of the 7 new flavones, apulein (LXXIX), 5-0-demethylapuleine (LXXX), apuleisin (CXVI), apuleftrin (CXL), apuleirin (CLV), apuleidine (CXLVI) and 5-0-methyloxyanine A (XCVIII) have been established. Structural proposal is also launched for leiocarpine (CLXXVI), a new ptercarpan isolated from the benzene extract of the bark. The unusual oxygenation pattern of the flavones studied in this work is discussed. Comparison of extracts from different parts of the Apuleina morales species, by thin silica layer chromatography, showed no difference in chemical composition with respect to Apuleia leiocarpa.
publishDate 1971
dc.date.issued.fl_str_mv 1971-01-02
dc.date.accessioned.fl_str_mv 2020-12-01T17:09:19Z
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dc.identifier.citation.fl_str_mv BRAZ FILHO, Raimundo. Estudo qu?mico da Apuleia leiocarpa. 1971. 373 f. Tese (Doutorado em Qu?mica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 1971.
dc.identifier.uri.fl_str_mv https://tede.ufrrj.br/jspui/handle/jspui/4226
identifier_str_mv BRAZ FILHO, Raimundo. Estudo qu?mico da Apuleia leiocarpa. 1971. 373 f. Tese (Doutorado em Qu?mica) - Instituto de Ci?ncias Exatas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 1971.
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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
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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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