Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines
Autor(a) principal: | |
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Data de Publicação: | 2018 |
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=S0103-50532018001002144 |
Resumo: | Pd nanoparticle catalyst loading 4.7 wt.% was prepared by the deposition-precipitation method and characterized by X-ray diffraction and transmission electron microscopy (TEM). The crystallite size estimated from the integral width of the highest intensity line using the Scherrer equation was 2.3 nm. Images obtained from TEM showed an equal distribution of the particles size between 0-2 and 2-4 nm, and also a good dispersion of the nanoparticles on the catalyst support. The catalytic activity of this nanocatalyst was studied for racemization reactions of (S)-(-)-1-phenylethylamine. After that, the catalyst was used in the chemoenzymatic dynamic kinetic resolution (DKR) of some primary amines. Expressive yields and optical purities were obtained. |
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Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Aminespalladium catalystschiral aminesracemizationdynamic kinetic resolutionPd nanoparticle catalyst loading 4.7 wt.% was prepared by the deposition-precipitation method and characterized by X-ray diffraction and transmission electron microscopy (TEM). The crystallite size estimated from the integral width of the highest intensity line using the Scherrer equation was 2.3 nm. Images obtained from TEM showed an equal distribution of the particles size between 0-2 and 2-4 nm, and also a good dispersion of the nanoparticles on the catalyst support. The catalytic activity of this nanocatalyst was studied for racemization reactions of (S)-(-)-1-phenylethylamine. After that, the catalyst was used in the chemoenzymatic dynamic kinetic resolution (DKR) of some primary amines. Expressive yields and optical purities were obtained.Sociedade Brasileira de Química2018-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532018001002144Journal of the Brazilian Chemical Society v.29 n.10 2018reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.21577/0103-5053.20180089info:eu-repo/semantics/openAccessFerreira,Marina M. M.Cabreira,Camila R.Chaves,Pedro H. K.Labussiére,Gabriela M.Zimpeck,Renata C.Lima,Sania M. deSiqueira,Fernanda A. deeng2018-09-21T00:00:00Zoai:scielo:S0103-50532018001002144Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2018-09-21T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
title |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
spellingShingle |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines Ferreira,Marina M. M. palladium catalysts chiral amines racemization dynamic kinetic resolution |
title_short |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
title_full |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
title_fullStr |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
title_full_unstemmed |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
title_sort |
Preparation, Characterization and Catalytic Activity of Palladium Catalyst Supported on MgCO3 for Dynamic Kinetic Resolution of Amines |
author |
Ferreira,Marina M. M. |
author_facet |
Ferreira,Marina M. M. Cabreira,Camila R. Chaves,Pedro H. K. Labussiére,Gabriela M. Zimpeck,Renata C. Lima,Sania M. de Siqueira,Fernanda A. de |
author_role |
author |
author2 |
Cabreira,Camila R. Chaves,Pedro H. K. Labussiére,Gabriela M. Zimpeck,Renata C. Lima,Sania M. de Siqueira,Fernanda A. de |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Ferreira,Marina M. M. Cabreira,Camila R. Chaves,Pedro H. K. Labussiére,Gabriela M. Zimpeck,Renata C. Lima,Sania M. de Siqueira,Fernanda A. de |
dc.subject.por.fl_str_mv |
palladium catalysts chiral amines racemization dynamic kinetic resolution |
topic |
palladium catalysts chiral amines racemization dynamic kinetic resolution |
description |
Pd nanoparticle catalyst loading 4.7 wt.% was prepared by the deposition-precipitation method and characterized by X-ray diffraction and transmission electron microscopy (TEM). The crystallite size estimated from the integral width of the highest intensity line using the Scherrer equation was 2.3 nm. Images obtained from TEM showed an equal distribution of the particles size between 0-2 and 2-4 nm, and also a good dispersion of the nanoparticles on the catalyst support. The catalytic activity of this nanocatalyst was studied for racemization reactions of (S)-(-)-1-phenylethylamine. After that, the catalyst was used in the chemoenzymatic dynamic kinetic resolution (DKR) of some primary amines. Expressive yields and optical purities were obtained. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-10-01 |
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=S0103-50532018001002144 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532018001002144 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.21577/0103-5053.20180089 |
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.29 n.10 2018 reponame:Journal of the Brazilian Chemical Society (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
instname_str |
Sociedade Brasileira de Química (SBQ) |
instacron_str |
SBQ |
institution |
SBQ |
reponame_str |
Journal of the Brazilian Chemical Society (Online) |
collection |
Journal of the Brazilian Chemical Society (Online) |
repository.name.fl_str_mv |
Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ) |
repository.mail.fl_str_mv |
||office@jbcs.sbq.org.br |
_version_ |
1750318181222711296 |