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Hidrotalcita Zn/Al dopada con vanadio como catalizador en la reacción de Hantzsch
(Universidad Autónoma Metropolitana (México). Unidad Azcapotzalco. División de Ciencias Básicas e Ingeniería., 2015)
Se sintetizó un material tipo hidrotalcita Zn/Al dopado con vanadio por impregnación incipiente, el material fue caracterizado por DRX, FT-IR y SEM-EDS. Se obtuvo un material con estructura ordenada y típica de una ...
A study of the temperature effect on Hantzsch reaction selectivity using Mn and Ce oxides under solvent-free conditions
(Elsevier, 2014-11-21)
In this communication, four materials (CeO2,CeO2(Cu), MnOx, and MnOx(Cu)) were prepared, characterized and tested as catalysts, in solvent-free conditions, for the multicomponent Hantzsch reactions to obtain alternatively ...
Synthesis of 1,4-dihydropyrimidines with immobilized urease: Effect of method immobilization on magnetic supports
(De Gruyter, 2017-08)
The effect of the urease immobilization method was studied on magnetic supports for the Biginelli/Hantzsch reaction. For this purpose, Fe3O4/SiO2 was modified with 3-Aminopropyl-Triethoxysilane and then activated with ...
Transition-metal-free and visible-light-mediated desulfonylation and dehalogenation reactions: Hantzsch ester anion as electron and hydrogen atom donor
(American Chemical Society, 2020-11)
Novel approaches for N- and O-desulfonylation under room temperature (rt) and transition-metal-free conditions have been developed. The first methodology involves the transformation of a variety of N-sulfonyl heterocycles ...
Síntesis de arilpiridinas con el uso de catalizadores bifuncionales Me/SIO2-SO3H (Me= Au, Ir, Pt)Synthesis of arylpiridines with us on bifuntional catalysts Me/SiO2-SO3H (Me= Au, Ir, Pt)
(Universidad Nacional de La Plata, 2016-09-07)
Se estudió la reacción multicomponente de Hantzsch para la obtención de compuestos derivados de la familia 2-arilpiridinas, usando catalizadores bifuncionales tipo Me/SiO2-SO3H (Me = Au, Pt, Ir). Los catalizadores se ...