Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Efrain Polo"'
Publikováno v:
Heliyon, Vol 7, Iss 4, Pp e06926- (2021)
Oil spillage contamination has been one of the most common and challenging problems in marine ecosystems over the years due to frequent petroleum exploitation, washing, and transportation activities. The use of nature-derived surfactants has become a
Externí odkaz:
https://doaj.org/article/3434af194f474108a64fb95d8100587e
Publikováno v:
Data in Brief, Vol 31, Iss , Pp 105902- (2020)
The data article refers to the paper “supramolecular hydrogel based on cellulose for sustained release of therapeutic substances with antimicrobial and wound healing properties”[1]. The dataset includes the synthesis and characterization of (E)-1
Externí odkaz:
https://doaj.org/article/3921963db5d54dc496b67c25c43eef43
Publikováno v:
Molbank, Vol 2017, Iss 4, p M960 (2017)
An amide chalconehas been synthesized in a two-step reaction. First, N-(4-acetylphenyl)quinoline-3-carboxamide 2 was synthesized by the reaction of quinoline-3-carboxylic acid 1 and thionyl chloride (SOCl2), following the addition of 4-aminoacetophen
Externí odkaz:
https://doaj.org/article/2b729f6628da4c33a0c00fa074323d77
Autor:
Efrain Polo, Jorge Trilleras, Juan Ramos, Antonio Galdámez, Jairo Quiroga, Margarita Gutierrez
Publikováno v:
Molecules, Vol 21, Iss 7, p 903 (2016)
A small series of tetrahydroindazoles was prepared, starting from 2-acetylcyclohexanone and different hydrazines using reflux and a focused microwave reactor. Microwave irradiation (MW) favored the formation of the desired products with improved yiel
Externí odkaz:
https://doaj.org/article/bc976ffa2411477f886379e1fed940ca
Unexpected discovery: 'A new 3,3′-bipyrazolo[3,4-b]pyridine scaffold and its comprehensive analysis'
Autor:
Efraín Polo-Cuadrado, Karoll Ferrer, Jesús Sánchez-Márquez, Andrés Charris-Molina, Yeray A. Rodríguez-Núñez, Luis Espinoza-Catalán, Margarita Gutiérrez
Publikováno v:
Heliyon, Vol 10, Iss 11, Pp e32573- (2024)
In this study, a novel 3,3′-bipyrazolo [3,4-b]pyridine-type structure was synthesized from 5-acetylamino-3-methyl-1-phenylpyrazole using the Vilsmeier-Haack reaction as a key step. The spectroscopic properties and structural elucidation of the comp
Externí odkaz:
https://doaj.org/article/577ecfbb28914c37be3ce32cfdbb44bc
Publikováno v:
Data in Brief, Vol 31, Iss, Pp 105902-(2020)
Data in Brief
Data in Brief
The data article refers to the paper "supramolecular hydrogel based on cellulose for sustained release of therapeutic substances with antimicrobial and wound healing properties"[1]. The dataset includes the synthesis and characterization of (E)-1,3-b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7a3b43fe4746dd2dc64018404ad6cd2
http://www.sciencedirect.com/science/article/pii/S2352340920307964
http://www.sciencedirect.com/science/article/pii/S2352340920307964
Publikováno v:
RSC Adv.. 7:50044-50055
Pyrazolo[3,4-b]pyridine derivatives have been synthesized via one-pot condensation of 3-methyl-1-phenyl-1H-pyrazolo-5-amine (1), formaldehyde (as paraformaldehyde) (2) and β-diketones (3) under microwave irradiation in aqueous media catalyzed by InC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c56dd27a21004979b976282b0b1e9f2
https://doi.org/10.1039/c7ra10127a
https://doi.org/10.1039/c7ra10127a
Autor:
Xaviera A. López-Cortés, Oscar Forero-Doria, Jesús Sánchez-Márquez, Efrain Polo, Alejandro Morales-Bayuelo, Valentina Arce-Parada, Margarita Gutiérrez
Publikováno v:
Catalysts, Vol 9, Iss 10, p 820 (2019)
Catalysts 2019, 9(10), 820
RODIN. Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
instname
Catalysts
Volume 9
Issue 10
Catalysts 2019, 9(10), 820
RODIN. Repositorio de Objetos de Docencia e Investigación de la Universidad de Cádiz
instname
Catalysts
Volume 9
Issue 10
A series of pyrazolo-fused 4-azafluorenones (indeno[1,2-b]pyrazolo[4,3-e]pyridines, IPP) were synthesized via the three-component reaction between arylaldehydes, 3-methyl-1H-pyrazol- 5-amine and 1,3-indanedione in an ionic liquid as a catalyst at roo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16fc49f54f58cabd83a81ed7f91ac733
https://www.mdpi.com/2073-4344/9/10/820
https://www.mdpi.com/2073-4344/9/10/820
Autor:
Alejandro Morales-Bayuelo, Luis Prent-Peñaloza, Yeray A. Rodríguez Núñez, Jorge Trilleras, Juan Ramos, Antonio Galdámez, Efrain Polo, José A. Henao, Lady Valdés-Salas, Margarita Gutiérrez
Publikováno v:
Journal of Molecular Structure. 1224:129307
A highly regioselective solvent-free microwave-assisted synthesis of pyrazoles and tetrahydroindazoles based on the condensation of 1,3-diketones with arylhydrazines is described. Compounds were evaluated as cholinesterase inhibitors in order to iden
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86a3723896ec2b24bc5e07551d79abf4
https://doi.org/10.1016/j.molstruc.2020.129307
https://doi.org/10.1016/j.molstruc.2020.129307
Autor:
Esteban F. Durán-Lara, Efrain Polo, Luis Guzmán, Oscar Forero-Doria, Bernardo Venegas, Sekar Vijayakumar, Jaime Gallego, Adolfo Marican, Marcelo Guerrero, Sergio Wehinger
Publikováno v:
Carbohydrate Polymers. 242:116383
A multifaceted hydrogel-based formulation was reported. The hydrogel was prepared by crosslinking cellulose and substituted chalcone. Moreover, the formulation was conjugated with carbon nanotubes with the aim of increasing the loading amount of bioa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::080a4fbfd7cea6dc7963b6ce18a6e405
https://doi.org/10.1016/j.carbpol.2020.116383
https://doi.org/10.1016/j.carbpol.2020.116383