Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts

The enantioselective hydrogenation of ethyl pyruvate on Pt/SiO2 catalysts modified with a chiral compound, cinchonidine, and promoted with tin was studied in this work. The enantioselectivity of the nonpromoted Pt/SiO2 catalysts depends strongly on the particle size; when the particle size is larger...

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Autores principales: Ibañez, María Fernanda, Vetere, Virginia, Santori, Gerardo Fabián, Casella, Mónica Laura, Ferretti, Osmar
Formato: Articulo
Lenguaje:Inglés
Publicado: 2003
Materias:
Química
Hidrogenation
Ethyl pyruvate
Catalysts
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/98251
https://ri.conicet.gov.ar/11336/63045
https://www.aqa.org.ar/images/anales/pdf9146/9146art5.pdf
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-98251
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Química
Hidrogenation
Ethyl pyruvate
Catalysts
spellingShingle Química
Hidrogenation
Ethyl pyruvate
Catalysts
Ibañez, María Fernanda
Vetere, Virginia
Santori, Gerardo Fabián
Casella, Mónica Laura
Ferretti, Osmar
Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts
topic_facet Química
Hidrogenation
Ethyl pyruvate
Catalysts
description The enantioselective hydrogenation of ethyl pyruvate on Pt/SiO2 catalysts modified with a chiral compound, cinchonidine, and promoted with tin was studied in this work. The enantioselectivity of the nonpromoted Pt/SiO2 catalysts depends strongly on the particle size; when the particle size is larger, the enantiomeric excess obtained is higher. The addition of small tin amounts (Sn/Pt 001) produces a slight increase in the initial hydrogenation rate, and at the same time, a relative small change in the ee% value, but larger tin amounts generate a decrease in the initial hydrogenation rate together with a marked diminution of the ee value.
format Articulo
Articulo
author Ibañez, María Fernanda
Vetere, Virginia
Santori, Gerardo Fabián
Casella, Mónica Laura
Ferretti, Osmar
author_facet Ibañez, María Fernanda
Vetere, Virginia
Santori, Gerardo Fabián
Casella, Mónica Laura
Ferretti, Osmar
author_sort Ibañez, María Fernanda
title Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts
title_short Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts
title_full Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts
title_fullStr Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts
title_full_unstemmed Enantioselective Hydrogenation of Ethyl Pyruvate With Cinchonidine Modified Pt/SiO2 and PtSn/SiO2 Catalysts
title_sort enantioselective hydrogenation of ethyl pyruvate with cinchonidine modified pt/sio2 and ptsn/sio2 catalysts
publishDate 2003
url http://sedici.unlp.edu.ar/handle/10915/98251
https://ri.conicet.gov.ar/11336/63045
https://www.aqa.org.ar/images/anales/pdf9146/9146art5.pdf
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