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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
24/09/2009 |
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Data da última atualização: |
23/05/2018 |
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Autoria: |
RIBEIRO, P. E. A.; DONNICI, C. L.; SANTOS, E. N. dos. |
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Afiliação: |
PAULO EDUARDO DE AQUINO RIBEIRO. |
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Título: |
Cationic rhodium (I) complexes containing 4,4,'-disubstituted 2,2,'-bipyridines: a systematic variation on electron density over the metal centre. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Journal of Organometallic Chemistry, v. 691, p. 2037-2043, 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
A series of [Rh(COD)(X2-bipy)]BF4 complexes (COD = 1,5-cyclooctadiene; X2-bipy = 4,4'-disubstituted 2,2'-bipyridines; X = OCH3, CH3, H, Cl or NO2) has been prepared from [Rh(COD)Cl]2. The complexes for X = OCH3, Cl and NO2 have not been described previously in the literature. All complexes have been characterised by elemental analysis, IR, 1H NMR and UV?Vis spectrometry. This series of complexes presents a wide variation on electron density over the metal centre with virtually no variation on its steric environment which discloses interesting possibilities for catalytic and electro-catalytic studies. A preliminary evaluation of these complexes on the hydroformylation of camphene and ß-pinene showed that under the rather drastic conditions employed the complexes acted as a precursor for [Rh(CO)3H], which accounts for most of the catalytic activity. |
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Palavras-Chave: |
Cationic rhodium(I) complexes; Hydroformylation; Rhodium catalysts; Substituted bipyridine. |
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Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 01538naa a2200193 a 4500
001 1488340
005 2018-05-23
008 2006 bl uuuu u00u1 u #d
100 1 $aRIBEIRO, P. E. A.
245 $aCationic rhodium (I) complexes containing 4,4,'-disubstituted 2,2,'-bipyridines$ba systematic variation on electron density over the metal centre.$h[electronic resource]
260 $c2006
520 $aA series of [Rh(COD)(X2-bipy)]BF4 complexes (COD = 1,5-cyclooctadiene; X2-bipy = 4,4'-disubstituted 2,2'-bipyridines; X = OCH3, CH3, H, Cl or NO2) has been prepared from [Rh(COD)Cl]2. The complexes for X = OCH3, Cl and NO2 have not been described previously in the literature. All complexes have been characterised by elemental analysis, IR, 1H NMR and UV?Vis spectrometry. This series of complexes presents a wide variation on electron density over the metal centre with virtually no variation on its steric environment which discloses interesting possibilities for catalytic and electro-catalytic studies. A preliminary evaluation of these complexes on the hydroformylation of camphene and ß-pinene showed that under the rather drastic conditions employed the complexes acted as a precursor for [Rh(CO)3H], which accounts for most of the catalytic activity.
653 $aCationic rhodium(I) complexes
653 $aHydroformylation
653 $aRhodium catalysts
653 $aSubstituted bipyridine
700 1 $aDONNICI, C. L.
700 1 $aSANTOS, E. N. dos
773 $tJournal of Organometallic Chemistry$gv. 691, p. 2037-2043, 2006.
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| 1. |  | MOGER-REISCHER, R. Z.; GLASS, J. I.; WISE, K. S.; SUN, L.; BITTENCOURT, D. M. de C.; LEHMKUHL, B. K.; SCHOOLMASTER JUNIOR, D. R.; LYNCH, M.; LENNON, J. T. Evolution of a minimal cell. Nature, v. 620, p. 122-127, 2023. Na Publicação: D. M. C. Bittencourt.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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