Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis
- Autores
- Garcia Liñares, Guadalupe Eugenia; Arroyo Mañez, Pau; Baldessari, Alicia
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A series of hydroxy-, methoxy-, and nitrophenylacetamides was synthesized by enzyme catalysis. The 28 new products were obtained through a lipase-catalyzed two-step reaction in very good to excellent yield. In the case of nitro derivatives, a one-pot, two-step methodology allowed the desired products to be obtained in high yields. The influence of various reaction parameters in the lipase-catalyzed reactions, such as enzyme source, nucleophile (alcohol or amine)/substrate ratio, enzyme/substrate ratio, solvent and temperature were studied. It was observed that nitro-substituted phenylacetates were more reactive in the aminolysis reaction than phenylacetates substituted with a hydroxyl group. To study this substituent effect, a Hammett analysis and the determination of the ρ parameter were carried out. Moreover, a computational study was applied to the most representative systems, performing an exploration of the potential energy surface for the catalyzed and noncatalyzed aminolysis reaction for nitro- and hydroxyphenylacetates. Both analysis showed that the presence of a strongly electron-attracting group favors the activity of the enzyme, in complete agreement with the experimental results of the enzymatic catalysis.
Fil: Garcia Liñares, Guadalupe Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina
Fil: Arroyo Mañez, Pau. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina
Fil: Baldessari, Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina - Materia
-
Enzyme Catalysis
Molecular Modeling
Reaction Mechanism
Amides - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/18715
Ver los metadatos del registro completo
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Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic AminolysisGarcia Liñares, Guadalupe EugeniaArroyo Mañez, PauBaldessari, AliciaEnzyme CatalysisMolecular ModelingReaction MechanismAmideshttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1A series of hydroxy-, methoxy-, and nitrophenylacetamides was synthesized by enzyme catalysis. The 28 new products were obtained through a lipase-catalyzed two-step reaction in very good to excellent yield. In the case of nitro derivatives, a one-pot, two-step methodology allowed the desired products to be obtained in high yields. The influence of various reaction parameters in the lipase-catalyzed reactions, such as enzyme source, nucleophile (alcohol or amine)/substrate ratio, enzyme/substrate ratio, solvent and temperature were studied. It was observed that nitro-substituted phenylacetates were more reactive in the aminolysis reaction than phenylacetates substituted with a hydroxyl group. To study this substituent effect, a Hammett analysis and the determination of the ρ parameter were carried out. Moreover, a computational study was applied to the most representative systems, performing an exploration of the potential energy surface for the catalyzed and noncatalyzed aminolysis reaction for nitro- and hydroxyphenylacetates. Both analysis showed that the presence of a strongly electron-attracting group favors the activity of the enzyme, in complete agreement with the experimental results of the enzymatic catalysis.Fil: Garcia Liñares, Guadalupe Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; ArgentinaFil: Arroyo Mañez, Pau. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; ArgentinaFil: Baldessari, Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; ArgentinaWiley VCH Verlag2014-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/18715Garcia Liñares, Guadalupe Eugenia; Arroyo Mañez, Pau; Baldessari, Alicia; Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis; Wiley VCH Verlag; European Journal of Organic Chemistry; 2014; 29; 10-2014; 6439-64501434-193XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1002/ejoc.201402749info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201402749/abstractinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:18:53Zoai:ri.conicet.gov.ar:11336/18715instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:18:53.671CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
title |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
spellingShingle |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis Garcia Liñares, Guadalupe Eugenia Enzyme Catalysis Molecular Modeling Reaction Mechanism Amides |
title_short |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
title_full |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
title_fullStr |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
title_full_unstemmed |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
title_sort |
Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis |
dc.creator.none.fl_str_mv |
Garcia Liñares, Guadalupe Eugenia Arroyo Mañez, Pau Baldessari, Alicia |
author |
Garcia Liñares, Guadalupe Eugenia |
author_facet |
Garcia Liñares, Guadalupe Eugenia Arroyo Mañez, Pau Baldessari, Alicia |
author_role |
author |
author2 |
Arroyo Mañez, Pau Baldessari, Alicia |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Enzyme Catalysis Molecular Modeling Reaction Mechanism Amides |
topic |
Enzyme Catalysis Molecular Modeling Reaction Mechanism Amides |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
A series of hydroxy-, methoxy-, and nitrophenylacetamides was synthesized by enzyme catalysis. The 28 new products were obtained through a lipase-catalyzed two-step reaction in very good to excellent yield. In the case of nitro derivatives, a one-pot, two-step methodology allowed the desired products to be obtained in high yields. The influence of various reaction parameters in the lipase-catalyzed reactions, such as enzyme source, nucleophile (alcohol or amine)/substrate ratio, enzyme/substrate ratio, solvent and temperature were studied. It was observed that nitro-substituted phenylacetates were more reactive in the aminolysis reaction than phenylacetates substituted with a hydroxyl group. To study this substituent effect, a Hammett analysis and the determination of the ρ parameter were carried out. Moreover, a computational study was applied to the most representative systems, performing an exploration of the potential energy surface for the catalyzed and noncatalyzed aminolysis reaction for nitro- and hydroxyphenylacetates. Both analysis showed that the presence of a strongly electron-attracting group favors the activity of the enzyme, in complete agreement with the experimental results of the enzymatic catalysis. Fil: Garcia Liñares, Guadalupe Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina Fil: Arroyo Mañez, Pau. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina Fil: Baldessari, Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Unidad de Microanálisis y Métodos Físicos en Química Orgánica. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Unidad de Microanálisis y Métodos Físicos en Química Orgánica; Argentina |
description |
A series of hydroxy-, methoxy-, and nitrophenylacetamides was synthesized by enzyme catalysis. The 28 new products were obtained through a lipase-catalyzed two-step reaction in very good to excellent yield. In the case of nitro derivatives, a one-pot, two-step methodology allowed the desired products to be obtained in high yields. The influence of various reaction parameters in the lipase-catalyzed reactions, such as enzyme source, nucleophile (alcohol or amine)/substrate ratio, enzyme/substrate ratio, solvent and temperature were studied. It was observed that nitro-substituted phenylacetates were more reactive in the aminolysis reaction than phenylacetates substituted with a hydroxyl group. To study this substituent effect, a Hammett analysis and the determination of the ρ parameter were carried out. Moreover, a computational study was applied to the most representative systems, performing an exploration of the potential energy surface for the catalyzed and noncatalyzed aminolysis reaction for nitro- and hydroxyphenylacetates. Both analysis showed that the presence of a strongly electron-attracting group favors the activity of the enzyme, in complete agreement with the experimental results of the enzymatic catalysis. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-10 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/18715 Garcia Liñares, Guadalupe Eugenia; Arroyo Mañez, Pau; Baldessari, Alicia; Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis; Wiley VCH Verlag; European Journal of Organic Chemistry; 2014; 29; 10-2014; 6439-6450 1434-193X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/18715 |
identifier_str_mv |
Garcia Liñares, Guadalupe Eugenia; Arroyo Mañez, Pau; Baldessari, Alicia; Lipase-Catalyzed Synthesis of Substituted Phenylacetamides: Hammett Analysis and Computational Study of the Enzymatic Aminolysis; Wiley VCH Verlag; European Journal of Organic Chemistry; 2014; 29; 10-2014; 6439-6450 1434-193X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1002/ejoc.201402749 info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201402749/abstract |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley VCH Verlag |
publisher.none.fl_str_mv |
Wiley VCH Verlag |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844614155166810112 |
score |
13.070432 |