Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae)
The chemical investigation of hexane and ethanol extracts from the aerial parts of Vernonia scorpioides resulted in the isolation and characterization of a new polyacetylene lactone, rel-4-dihydro-4β-hydroxy-5a-octa-2,4,6-triynyl-furan-2-(5H)-one, along with the new ethyl 3,4-dihydroxy-6,8,10-triynyl-dodecanoate, and seven known compounds: taraxasteryl acetate, lupeyl acetate, lupeol, lupenone, β-sitosterol, stigmasterol and luteolin. The structure of all compounds was determined by spectrometric techniques (HR-ESI-MS, ¹H and 13C NMR and IV) and comparison with published spectral data.
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| Format: | Digital revista |
| Language: | Portuguese |
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Sociedade Brasileira de Química
2013
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| Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000400010 |
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oai:scielo:S0100-404220130004000102013-05-17Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae)Machado,Adalva LopesAragão,Fabiana MartinsBandeira,Paulo N.Santos,Hélcio Silva dosAlbuquerque,Maria Rose Jane R.Pessoa,Otília Deusdênia L.Silveira,Edilberto R.Nunes,Edson PaulaBraz-Filho,Raimundo Vernonia scorpioides Asteraceae lactones The chemical investigation of hexane and ethanol extracts from the aerial parts of Vernonia scorpioides resulted in the isolation and characterization of a new polyacetylene lactone, rel-4-dihydro-4β-hydroxy-5a-octa-2,4,6-triynyl-furan-2-(5H)-one, along with the new ethyl 3,4-dihydroxy-6,8,10-triynyl-dodecanoate, and seven known compounds: taraxasteryl acetate, lupeyl acetate, lupeol, lupenone, β-sitosterol, stigmasterol and luteolin. The structure of all compounds was determined by spectrometric techniques (HR-ESI-MS, ¹H and 13C NMR and IV) and comparison with published spectral data.info:eu-repo/semantics/openAccessSociedade Brasileira de QuímicaQuímica Nova v.36 n.4 20132013-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000400010pt10.1590/S0100-40422013000400010 |
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| author |
Machado,Adalva Lopes Aragão,Fabiana Martins Bandeira,Paulo N. Santos,Hélcio Silva dos Albuquerque,Maria Rose Jane R. Pessoa,Otília Deusdênia L. Silveira,Edilberto R. Nunes,Edson Paula Braz-Filho,Raimundo |
| spellingShingle |
Machado,Adalva Lopes Aragão,Fabiana Martins Bandeira,Paulo N. Santos,Hélcio Silva dos Albuquerque,Maria Rose Jane R. Pessoa,Otília Deusdênia L. Silveira,Edilberto R. Nunes,Edson Paula Braz-Filho,Raimundo Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae) |
| author_facet |
Machado,Adalva Lopes Aragão,Fabiana Martins Bandeira,Paulo N. Santos,Hélcio Silva dos Albuquerque,Maria Rose Jane R. Pessoa,Otília Deusdênia L. Silveira,Edilberto R. Nunes,Edson Paula Braz-Filho,Raimundo |
| author_sort |
Machado,Adalva Lopes |
| title |
Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae) |
| title_short |
Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae) |
| title_full |
Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae) |
| title_fullStr |
Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae) |
| title_full_unstemmed |
Constituintes químicos de Vernonia scorpioides (Lam) Pers. (Asteraceae) |
| title_sort |
constituintes químicos de vernonia scorpioides (lam) pers. (asteraceae) |
| description |
The chemical investigation of hexane and ethanol extracts from the aerial parts of Vernonia scorpioides resulted in the isolation and characterization of a new polyacetylene lactone, rel-4-dihydro-4β-hydroxy-5a-octa-2,4,6-triynyl-furan-2-(5H)-one, along with the new ethyl 3,4-dihydroxy-6,8,10-triynyl-dodecanoate, and seven known compounds: taraxasteryl acetate, lupeyl acetate, lupeol, lupenone, β-sitosterol, stigmasterol and luteolin. The structure of all compounds was determined by spectrometric techniques (HR-ESI-MS, ¹H and 13C NMR and IV) and comparison with published spectral data. |
| publisher |
Sociedade Brasileira de Química |
| publishDate |
2013 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422013000400010 |
| work_keys_str_mv |
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| _version_ |
1756387522121826304 |