Juárez Marín, Raquel; Corma Canós, Avelino; García Gómez, Hermenegildo(International Union of Pure and Applied Chemistry, 2011-09-19)
Aliphatic amines react sluggishly with dimethyl carbonate (DMC) to give a mixture
of N-methylation and carbamoylation. Nanoparticulated ceria as catalyst increases, in
general, conversion and selectivity toward carbamoylation. ...
[EN] Two for one gold: Factors governing the formation of isolable digold(I) ó,ð-acetylide complexes are given (see scheme), indicating the general tendency of phosphine AuI precatalysts to form this type of complexes, ...
Buaki-Sogo, Mireia; Serra, Marco; Primo Arnau, Ana María; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo(WILEY-VCH Verlag GmbH & Co. KGaA,, 2012)
[EN] A simple and reliable procedure to prepare TiO2 and Au/TiO2 samples with high photocatalytic activity for hydrogen generation from water/methanol mixtures is reported, which uses natural alginate as the templating ...
Müller, Maike; Stuart, Turner; Lebedev, Oleg, I.; Wang, Yuemin; Van Tendeloo, Gustaaf; Fischer, Roland A.(Wiley-VCH Verlag, 2011)
[EN] The Zn-carboxylate-based porous coordination polymer MOF-5 [Zn4O(bdc)(3)] and the metal oxide loaded materials ZnO@MOF-5 and TiO2@MOF-5 were loaded in a second step with the precursor [ClAuCO] to yield intermediate ...
Simion, Andrada; Candu, Natalia; Coman, Simona M.; Primo Arnau, Ana Maria; Esteve-Adell, Iván; Michelet, Veronique; Parvulescu, Vasile I.; García Gómez, Hermenegildo(John Wiley & Sons, 2018-12-02)
[EN] Michael and Henry addition reactions have been investigated using mono (Au and Cu2O) and bimetallic nanoplatelets (Au/Cu2O) grafted onto few-layers graphene (fl-G) films as heterogeneous catalysts by comparison with ...
López Hernández, Irene(Universitat Politècnica de València, 2021-09-02)
[ES] En esta tesis doctoral se ha investigado sobre el empleo de catalizadores metálicos estructurados en diversas reacciones de Química Sostenible. En primer lugar, se ha estudiado la eliminación de los NOX mediante su ...
[EN] A one-pot reaction was performed with a nanoparticulated gold catalyst. A secondary amine is formed through N-monoalkylation of a primary amine with an alcohol by a borrowing hydrogen methodology in a three-step ...
Piñeiro-López, L.; Valverde-Muñoz, F. J.; Seredyuk, M.; Bartual-Murgui, C.; Muñoz Roca, María Del Carmen; Real, J. A.(John Wiley & Sons, 2018-01-31)
[EN] Two new 3D spin-crossover (SCO) Hofmann-type coordination
polymers {Fe(2,6-naphthy)[Ag(CN)2][Ag2(CN)3]} (1;
2,6-naphthy = 2,6-naphthyridine) and {Fe(2,6-naphthy)-
[Au(CN)2]2}·0.5PhNO2 (2) were synthesized and ...
Rodríguez Cantó, Pedro Javier; Martínez Marco, Mª Luz; Rodríguez Fortuño, Francisco José; Tomás Navarro, Begoña; Ortuño Molinero, Rubén; Peransi Llopis, Sergio Manuel; Martínez Abietar, Alejandro José(Optical Society of America, 2011)
[EN] In this work, we demonstrate experimentally the use of an array of gold nanodisks on functionalized silicon for chemosensing purposes. The metallic nanostructures are designed to display a very strong plasmonic resonance ...
Serrano Requena, Sara(Universitat Politècnica de València, 2021-10-08)
[ES] Las patologías que se derivan en el sistema nervioso llevan asociadas la dificultad de regeneración del propio tejido, especialmente cuando se habla del Sistema Nervioso Central (SNC). Es debido a esta problemática ...
[EN] A novel family of dipropargylamines has been synthesized in one pot through a double catalytic A3-coupling of five component. Several reactions of LAu-amine complexes with organic reagents were studied and followed ...
Saura Perez, Cristina(Universitat Politècnica de València, 2020-07-29)
[ES] En el presente trabajo se exploran las posibilidades del azar y la intuición como forma de producción pictórica a través de la técnica del pouring, color field y dripping. En la parte teórica se aborda la abstracción ...
Navalón Oltra, Sergio; De Miguel de la Torre, Maykel; Martín González, Roberto; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo(American Chemical Society, 2011)
[EN] Laser flash photolysis of supported gold nanopar-ticles exciting at the surface plasmon band (532 nm) has allowed in the case of Au/CeO 2 and Au/OH-npD (OH-npD: Fenton-treated diamond nanoparticles) detection of ...
[EN] The catalytic activity of gold depends on particle size, with the reactivity increasing as the particle diameter decreases. However, investigations into behaviour in the subnanometre regime (where gold exists as small ...
Martí, Almudena; Costero Nieto, Ana María; Gaviña, Pablo; Gil Grau, Salvador; Parra Álvarez, Margarita; Brotons-Gisbert, Mauro; Sanchez-Royo, Juan Francisco(Wiley-VCH Verlag, 2013-08)
[EN] New functionalized gold nanoparticles have been synthesized and their ability to act as colorimetric molecular probes for the naked-eye detection of nerve agent simulant DCNP has been studied. The detection process ...
Doping of anatase TiO2 with Au and Fe has been investigated using DFT methods. The geometry distortion,
charge and spin density distribution in the lattice and oxygen vacancy formation energies calculated for
the Au- and ...
Process intensification by using well-defined solid catalysts
able to perform one-pot multistep reactions is one of the open
fronts in heterogeneous catalysis. This is even more relevant if
new, more efficient synthesis ...
Bobadilla, Luis F; Blasco Lanzuela, Teresa; Odriozola, José Antonio(Royal Society of Chemistry, 2013)
[EN] Two alkoxysilyl-modified ionic liquids (ILs) have been synthesized and further grafted onto mesoporous silica, MCM-41; these ionic liquids were used for dispersing AuCl3 catalysts that activate C-H bonds as required ...
[EN] A series of gold complexes were tested as catalysts in the synthesis of propargylamines by the three component coupling reaction of amines, aldehydes, and alkynes. These complexes are efficient catalysts for the ...
Rodríguez Fortuño, Francisco José; Martínez Marco, Mª Luz; Tomás Navarro, Begoña; Ortuño Molinero, Rubén; Martí Sendra, Javier; Martínez Abietar, Alejandro José; Rodríguez Cantó, Pedro Javier(American Institute of Physics, 2011)
In this work, we report the design, fabrication, and characterization of gold nanocrosses for chemosensing purposes. The nanocrosses are designed to exhibit a localized surface plasmon resonance which is very sensitive to ...