B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2010 |
| Outros Autores: | , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Journal of the Brazilian Chemical Society (Online) |
| Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532010000800021 |
Resumo: | Boron oxide adsorbed on alumina (B2O3/Al2O3 ) has been found to be a new and highly efficient heterogeneous catalyst for the synthesis of β-enamino ketones and esters by the enamination of various primary and secondary amines with β-dicarbonyl compounds under solvent-free conditions. The important features of this methodology are broad substrate scope, high yield, no requirement of metal catalysts, high regio- and chemoselectivity and environmental friendliness. In addition, the catalyst could be recovered easily after the reactions and reused without evident loss of reactivity. |
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B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditionsβ-enamino ketonesβ-enamino estersβ-dicarbonyl compoundsaminesB2O3/Al2O3solvent-freeBoron oxide adsorbed on alumina (B2O3/Al2O3 ) has been found to be a new and highly efficient heterogeneous catalyst for the synthesis of β-enamino ketones and esters by the enamination of various primary and secondary amines with β-dicarbonyl compounds under solvent-free conditions. The important features of this methodology are broad substrate scope, high yield, no requirement of metal catalysts, high regio- and chemoselectivity and environmental friendliness. In addition, the catalyst could be recovered easily after the reactions and reused without evident loss of reactivity.Sociedade Brasileira de Química2010-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532010000800021Journal of the Brazilian Chemical Society v.21 n.8 2010reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0103-50532010000800021info:eu-repo/semantics/openAccessChen,Jiu-XiZhang,Chang-FuGao,Wen-XiaJin,Hui-LeDing,Jin-ChangWu,Hua-Yueeng2011-10-14T00:00:00Zoai:scielo:S0103-50532010000800021Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2011-10-14T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false |
| dc.title.none.fl_str_mv |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| title |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| spellingShingle |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions Chen,Jiu-Xi β-enamino ketones β-enamino esters β-dicarbonyl compounds amines B2O3/Al2O3 solvent-free |
| title_short |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| title_full |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| title_fullStr |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| title_full_unstemmed |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| title_sort |
B2O3/Al2O3 as a new, highly efficient and reusable heterogeneous catalyst for the selective synthesis of β-enamino ketones and esters under solvent-free conditions |
| author |
Chen,Jiu-Xi |
| author_facet |
Chen,Jiu-Xi Zhang,Chang-Fu Gao,Wen-Xia Jin,Hui-Le Ding,Jin-Chang Wu,Hua-Yue |
| author_role |
author |
| author2 |
Zhang,Chang-Fu Gao,Wen-Xia Jin,Hui-Le Ding,Jin-Chang Wu,Hua-Yue |
| author2_role |
author author author author author |
| dc.contributor.author.fl_str_mv |
Chen,Jiu-Xi Zhang,Chang-Fu Gao,Wen-Xia Jin,Hui-Le Ding,Jin-Chang Wu,Hua-Yue |
| dc.subject.por.fl_str_mv |
β-enamino ketones β-enamino esters β-dicarbonyl compounds amines B2O3/Al2O3 solvent-free |
| topic |
β-enamino ketones β-enamino esters β-dicarbonyl compounds amines B2O3/Al2O3 solvent-free |
| description |
Boron oxide adsorbed on alumina (B2O3/Al2O3 ) has been found to be a new and highly efficient heterogeneous catalyst for the synthesis of β-enamino ketones and esters by the enamination of various primary and secondary amines with β-dicarbonyl compounds under solvent-free conditions. The important features of this methodology are broad substrate scope, high yield, no requirement of metal catalysts, high regio- and chemoselectivity and environmental friendliness. In addition, the catalyst could be recovered easily after the reactions and reused without evident loss of reactivity. |
| publishDate |
2010 |
| dc.date.none.fl_str_mv |
2010-01-01 |
| dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
| dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532010000800021 |
| url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532010000800021 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
| dc.relation.none.fl_str_mv |
10.1590/S0103-50532010000800021 |
| dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
| eu_rights_str_mv |
openAccess |
| dc.format.none.fl_str_mv |
text/html |
| dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
| publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
| dc.source.none.fl_str_mv |
Journal of the Brazilian Chemical Society v.21 n.8 2010 reponame:Journal of the Brazilian Chemical Society (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
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Sociedade Brasileira de Química (SBQ) |
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SBQ |
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SBQ |
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Journal of the Brazilian Chemical Society (Online) |
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Journal of the Brazilian Chemical Society (Online) |
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Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ) |
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