Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas
- Autores
- Portilla Zúñiga, Omar Miguel; Bautista Aguilera, Óscar M.; Martínez, José J.; Rojas, Hugo; Macías, Mario A.; Iriepa, Isabel; Pérez Redondo, Adrián; Sathicq, Angel Gabriel; Castillo, Juan Carlos; Romanelli, Gustavo Pablo
- Año de publicación
- 2023
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The Paal-Knorr reaction of acetonylacetone with primary amines catalyzed by CATAPAL 200 under conventional heating at 60 °C for 45 min afforded N-substituted pyrroles in 68?97% yields. The pyrrole 3g was studied by single-crystal and powder X-ray diffraction. The high percentage of Brønsted?Lewis acid sites (23%) and pore diameter (37.8 nm) of CATAPAL 200 favor the formation of the pyrrole ring because an increase in Brønsted acid sites efficiently catalyzes condensation and dehydration processes. This protocol is distinguished by its operational simplicity, high yields, reduced reaction time, no solvent required, stoichiometric amounts of reactants, low catalyst loading, and clean reaction profile. In addition, the CATAPAL 200 is cheap and commercially available leading to an efficient and lower-cost chemical transformation. The reusability of the catalyst for up to five cycles without appreciable loss of its catalytic activity makes the present protocol sustainable and advantageous compared to conventional methods.
Fil: Portilla Zúñiga, Omar Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
Fil: Bautista Aguilera, Óscar M.. Universidad de Alcalá; España
Fil: Martínez, José J.. Universidad Pedagógica y Tecnológica de Colombia; Colombia
Fil: Rojas, Hugo. Universidad Pedagógica y Tecnológica de Colombia; Colombia
Fil: Macías, Mario A.. Universidad de los Andes; Colombia
Fil: Iriepa, Isabel. Universidad de Alcalá; España
Fil: Pérez Redondo, Adrián. Universidad de Alcalá; España
Fil: Sathicq, Angel Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina
Fil: Castillo, Juan Carlos. Universidad Pedagógica y Tecnológica de Colombia; Colombia
Fil: Romanelli, Gustavo Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina - Materia
-
ALUMINAS
GREEN CHEMISTRY
HETEROGENEOUS CATALYSIS
PAAL-KNORR REACTION
PYRROLES
X-RAY CRYSTALLOGRAPHY - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/232149
Ver los metadatos del registro completo
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oai:ri.conicet.gov.ar:11336/232149 |
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spelling |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available AluminasPortilla Zúñiga, Omar MiguelBautista Aguilera, Óscar M.Martínez, José J.Rojas, HugoMacías, Mario A.Iriepa, IsabelPérez Redondo, AdriánSathicq, Angel GabrielCastillo, Juan CarlosRomanelli, Gustavo PabloALUMINASGREEN CHEMISTRYHETEROGENEOUS CATALYSISPAAL-KNORR REACTIONPYRROLESX-RAY CRYSTALLOGRAPHYhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2The Paal-Knorr reaction of acetonylacetone with primary amines catalyzed by CATAPAL 200 under conventional heating at 60 °C for 45 min afforded N-substituted pyrroles in 68?97% yields. The pyrrole 3g was studied by single-crystal and powder X-ray diffraction. The high percentage of Brønsted?Lewis acid sites (23%) and pore diameter (37.8 nm) of CATAPAL 200 favor the formation of the pyrrole ring because an increase in Brønsted acid sites efficiently catalyzes condensation and dehydration processes. This protocol is distinguished by its operational simplicity, high yields, reduced reaction time, no solvent required, stoichiometric amounts of reactants, low catalyst loading, and clean reaction profile. In addition, the CATAPAL 200 is cheap and commercially available leading to an efficient and lower-cost chemical transformation. The reusability of the catalyst for up to five cycles without appreciable loss of its catalytic activity makes the present protocol sustainable and advantageous compared to conventional methods.Fil: Portilla Zúñiga, Omar Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; ArgentinaFil: Bautista Aguilera, Óscar M.. Universidad de Alcalá; EspañaFil: Martínez, José J.. Universidad Pedagógica y Tecnológica de Colombia; ColombiaFil: Rojas, Hugo. Universidad Pedagógica y Tecnológica de Colombia; ColombiaFil: Macías, Mario A.. Universidad de los Andes; ColombiaFil: Iriepa, Isabel. Universidad de Alcalá; EspañaFil: Pérez Redondo, Adrián. Universidad de Alcalá; EspañaFil: Sathicq, Angel Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; ArgentinaFil: Castillo, Juan Carlos. Universidad Pedagógica y Tecnológica de Colombia; ColombiaFil: Romanelli, Gustavo Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; ArgentinaMDPI2023-03info: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/11336/232149Portilla Zúñiga, Omar Miguel; Bautista Aguilera, Óscar M.; Martínez, José J.; Rojas, Hugo; Macías, Mario A.; et al.; Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas; MDPI; Catalysts; 13; 3; 3-2023; 1-172073-4344CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.3390/catal13030603info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:48Zoai:ri.conicet.gov.ar:11336/232149instacron: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 09:33:48.757CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
title |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
spellingShingle |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas Portilla Zúñiga, Omar Miguel ALUMINAS GREEN CHEMISTRY HETEROGENEOUS CATALYSIS PAAL-KNORR REACTION PYRROLES X-RAY CRYSTALLOGRAPHY |
title_short |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
title_full |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
title_fullStr |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
title_full_unstemmed |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
title_sort |
Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas |
dc.creator.none.fl_str_mv |
Portilla Zúñiga, Omar Miguel Bautista Aguilera, Óscar M. Martínez, José J. Rojas, Hugo Macías, Mario A. Iriepa, Isabel Pérez Redondo, Adrián Sathicq, Angel Gabriel Castillo, Juan Carlos Romanelli, Gustavo Pablo |
author |
Portilla Zúñiga, Omar Miguel |
author_facet |
Portilla Zúñiga, Omar Miguel Bautista Aguilera, Óscar M. Martínez, José J. Rojas, Hugo Macías, Mario A. Iriepa, Isabel Pérez Redondo, Adrián Sathicq, Angel Gabriel Castillo, Juan Carlos Romanelli, Gustavo Pablo |
author_role |
author |
author2 |
Bautista Aguilera, Óscar M. Martínez, José J. Rojas, Hugo Macías, Mario A. Iriepa, Isabel Pérez Redondo, Adrián Sathicq, Angel Gabriel Castillo, Juan Carlos Romanelli, Gustavo Pablo |
author2_role |
author author author author author author author author author |
dc.subject.none.fl_str_mv |
ALUMINAS GREEN CHEMISTRY HETEROGENEOUS CATALYSIS PAAL-KNORR REACTION PYRROLES X-RAY CRYSTALLOGRAPHY |
topic |
ALUMINAS GREEN CHEMISTRY HETEROGENEOUS CATALYSIS PAAL-KNORR REACTION PYRROLES X-RAY CRYSTALLOGRAPHY |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.4 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
The Paal-Knorr reaction of acetonylacetone with primary amines catalyzed by CATAPAL 200 under conventional heating at 60 °C for 45 min afforded N-substituted pyrroles in 68?97% yields. The pyrrole 3g was studied by single-crystal and powder X-ray diffraction. The high percentage of Brønsted?Lewis acid sites (23%) and pore diameter (37.8 nm) of CATAPAL 200 favor the formation of the pyrrole ring because an increase in Brønsted acid sites efficiently catalyzes condensation and dehydration processes. This protocol is distinguished by its operational simplicity, high yields, reduced reaction time, no solvent required, stoichiometric amounts of reactants, low catalyst loading, and clean reaction profile. In addition, the CATAPAL 200 is cheap and commercially available leading to an efficient and lower-cost chemical transformation. The reusability of the catalyst for up to five cycles without appreciable loss of its catalytic activity makes the present protocol sustainable and advantageous compared to conventional methods. Fil: Portilla Zúñiga, Omar Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina Fil: Bautista Aguilera, Óscar M.. Universidad de Alcalá; España Fil: Martínez, José J.. Universidad Pedagógica y Tecnológica de Colombia; Colombia Fil: Rojas, Hugo. Universidad Pedagógica y Tecnológica de Colombia; Colombia Fil: Macías, Mario A.. Universidad de los Andes; Colombia Fil: Iriepa, Isabel. Universidad de Alcalá; España Fil: Pérez Redondo, Adrián. Universidad de Alcalá; España Fil: Sathicq, Angel Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina Fil: Castillo, Juan Carlos. Universidad Pedagógica y Tecnológica de Colombia; Colombia Fil: Romanelli, Gustavo Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr. Jorge J. Ronco". Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Centro de Investigación y Desarrollo en Ciencias Aplicadas; Argentina |
description |
The Paal-Knorr reaction of acetonylacetone with primary amines catalyzed by CATAPAL 200 under conventional heating at 60 °C for 45 min afforded N-substituted pyrroles in 68?97% yields. The pyrrole 3g was studied by single-crystal and powder X-ray diffraction. The high percentage of Brønsted?Lewis acid sites (23%) and pore diameter (37.8 nm) of CATAPAL 200 favor the formation of the pyrrole ring because an increase in Brønsted acid sites efficiently catalyzes condensation and dehydration processes. This protocol is distinguished by its operational simplicity, high yields, reduced reaction time, no solvent required, stoichiometric amounts of reactants, low catalyst loading, and clean reaction profile. In addition, the CATAPAL 200 is cheap and commercially available leading to an efficient and lower-cost chemical transformation. The reusability of the catalyst for up to five cycles without appreciable loss of its catalytic activity makes the present protocol sustainable and advantageous compared to conventional methods. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-03 |
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/11336/232149 Portilla Zúñiga, Omar Miguel; Bautista Aguilera, Óscar M.; Martínez, José J.; Rojas, Hugo; Macías, Mario A.; et al.; Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas; MDPI; Catalysts; 13; 3; 3-2023; 1-17 2073-4344 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/232149 |
identifier_str_mv |
Portilla Zúñiga, Omar Miguel; Bautista Aguilera, Óscar M.; Martínez, José J.; Rojas, Hugo; Macías, Mario A.; et al.; Synthesis of N-Substituted Pyrroles Catalyzed by Low-Cost and Commercially Available Aluminas; MDPI; Catalysts; 13; 3; 3-2023; 1-17 2073-4344 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.3390/catal13030603 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
MDPI |
publisher.none.fl_str_mv |
MDPI |
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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1844613041396645888 |
score |
13.070432 |