• Arylisoquinoline-derived organoboron dyes with a triaryl skeleton show dual fluorescence 

  Fernandes Pais, Vania Cristina; Neumann, Tristan; Vayá, Ignacio; Jiménez Molero, María Consuelo; Ros, Abel; Pischel, Uwe (Beilstein-Institut, 2019)

  Four new dyes that derive from borylated arylisoquinolines were prepared, containing a third aryl residue (naphthyl, 4-methoxynaphthyl, pyrenyl or anthryl) that is linked via an additional stereogenic axis. The triaryl ...

  

• Impact of Old Pb Mining and Metallurgical Production in Soils from the Linares Mining District (Spain) 

  Boente López, Carlos; Sierra, Carlos; Martínez López, Julián; Rodríguez Valdés, E.; Afif, Elías; Rey Arrans, Javier; Horta Ribeiro Antunes, Isabel Margarida; Rodríguez Gallego, José Luis (MDPI, 2022)

  Mineral processing and metallurgy production centers may leave a far-reaching fingerprint of soil contamination. This scenario is particularly relevant in the mining district of Linares (Southern Spain), where former ...

  

• Contribution of anthropogenic and natural sources in PM10 during North African dust events in Southern Europe 

  Millán Martínez, María; Sánchez-Rodas Navarro, Daniel Alejandro; Sánchez de la Campa Verdona, Ana María; Rosa Díaz, Jesús de la (Elsevier, 2021)

  The influence of North African (NAF) dust events on the air quality at the regional level (12 representative monitoring stations) in Southern Europe during a long time series (2007–2014) was studied. PM10 levels and ...

  

• Condiciones de vida y salud de la población inmigrante de los asentamientos de Huelva 

  García Padilla, Francisca María; Sánchez Alcón, Miriam; Ortega Galán, Ángela María; Rosa Díaz, Jesús de la; Gómez Beltrán, Piedras Alba; Ramos Pichardo, Juan Diego (Ministerio de Sanidad y Consumo, 2021)

  Fundamentos: Debido a la oferta laboral agrícola de la provincia de Huelva, la población inmigrante ha ido creciendo, estableciéndose una situación de irregularidad que favorece las labores precarias y dificulta el ...

  

• Heterogeneous Olefin Aziridination Reactions Catalyzed by Polymer-Bound Tris(triazolyl)methane Copper Complexes 

  Ramírez Rodríguez, Manuel; Molina González, Francisco; Etayo, Pablo; Pericàs, Miquel A.; Pérez Romero, Pedro José; Díaz Requejo, María Mar (Wiley, 2021)

  Efficient olefin aziridination has been achieved with a tris(triazolyl)methane copper catalyst supported onto polystyrene. Aryl, alkyl and methoxycarbonyl-substituted olefins are converted into N-tosylaziridines in good ...

  

• The first heavy-metal hot subdwarf composite binary SB 744 

  Németh, P.; Vos, J.; Molina, Francisco; Bastian, A. (EDP Sciences, 2021)

  Aims. A radial velocity follow-up of the long-period sdOB+G1V type spectroscopic binary SB 744 revealed strong lines of fluorine and lead in the optical spectrum of the sdOB star and subsolar metallicity in the G1V ...

  

• Copper-Catalyzed Dehydrogenative Amidation of Light Alkanes 

  Fuentes Domínguez, María Ángeles; Gava, Riccardo; Saper, Noam I.; Romero, Erik A.; Caballero Bevia, Ana; Hartwig, John F.; Pérez Romero, Pedro José (Wiley, 2021-05)

  The functionalization of C-H bonds in light alkanes, particularly to form C-N bonds, remains a challenge. We report the dehydrogenative coupling of amides with C1–C4 hydrocarbons to form N-alkyl amide products with tBuOOtBu ...

  

• Removal of Sb Impurities in Copper Electrolyte and Evaluation of As and Fe Species in an Electrorefining Plant 

  González de las Torres, Ana Isabel; Moats, Michael S.; Ríos Ransanz, Guillermo; Rodríguez Almansa, Ana; Sánchez-Rodas Navarro, Daniel Alejandro (MDPI, 2021-05)

  Antimony and arsenic concentrations and their oxidation states (Sb(III), Sb(V), As(III) and As(V)) in copper electrorefining electrolyte can affect copper cathode quality through the formation of floating slimes. A ...

  

• Ni(II) Precatalysts Enable Thioetherification of (Hetero)Aryl Halides and Tosylates and Tandem C−S/C−N Couplings 

  Martín, M. Trinidad; Marín, Mario; Maya, Celia; Prieto Cárdenas, María Auxiliadora; Nicasio Jaramillo, María Carmen (Wiley, 2021)

  Ni-catalyzed C−S cross-coupling reactions have received less attention compared with other C-heteroatom couplings. Most reported examples comprise the thioetherification of most reactive aryl iodides with aromatic thiols. ...

  

• Two Copper-Carbenes from One Diazo Compound 

  Álvarez, María; Besora, María; Molina, Francisco; Maseras, Feliu; Rodríguez Belderraín, Tomás; Pérez Romero, Pedro José (American Chemical Society, 2021-03)

  Many transition-metal complexes MLn decompose diazo compounds N2-CR1R2 generating metal-carbenes LnM-CR1R2 which transfer the carbene group to other substrates, constituting an important tool in organic synthesis. All ...

  

• Pyrrole Functionalization by Copper‐Catalyzed Nitrene Transfer Reactions 

  Rodríguez, Anabel M.; Rodríguez, Manuel R.; Díaz Requejo, María Mar; Pérez Romero, Pedro José (Wiley-VCH Verlag, 2020-03)

  The catalytic functionalization of pyrroles by incorporation of a nitrene group is reported. The Cα‐H bond of 1H‐pyrrole is amidated upon the formal insertion of the NTs (Ts=p‐toluenesulfonyl) group catalyzed by TpBr3Cu(NCMe) ...

  

• Recent Advances in Copper-Catalyzed Radical C–H Bond Activation Using N–F Reagents 

  Muñoz Molina, José María; Rodríguez Belderraín, Tomás; Pérez Romero, Pedro José (Thieme Gruppe, 2021)

  This Short Review is aimed at giving an update in the area of copper-catalyzed C–H functionalization involving nitrogen-centered radicals generated from substrates containing N–F bonds. These processes include intermolecular ...

  

• Alkoxydiaminophosphine Ligands as Surrogates of NHCs in Copper Catalysis 

  Pizarro, Juan Diego; Molina, Francisco; Romero Fructos-Vázquez, Manuel; Pérez Romero, Pedro José (Wiley, 2020-08)

  A family of phosphine ligands containing a five‐membered ring similar to the popular N‐heterocyclic carbene ligands and an alkoxy third substituent has been developed. These alkoxydiaminophosphine ligands (ADAP) can be ...

  

• Copper‐Catalyzed Selective Pyrrole Functionalization by Carbene Transfer Reaction 

  Rodríguez, Anabel M.; Molina, Francisco; Díaz Requejo, María Mar; Pérez Romero, Pedro José (Wiley, 2020-02)

  1H‐Pyrroles can be directly functionalized by means of the incorporation of carbene groups from diazo compounds, in a process catalyzed by TpxCu complexes (Tpx=hydrotrispyrazolylborate ligand). The reactions take place ...

  

• Aerobic Intramolecular Carbon-Hydrogen Bond Oxidation Promoted by Cu(I) Complexes 

  Álvarez, María; Molina, Francisco; Romero Fructos-Vázquez, Manuel; Urbano Baena, Juan; Álvarez, Eleuterio; Sodupe, Mariona; Lledós, Agustí; Pérez Romero, Pedro José (Royal Society of Chemistry, 2020-09)

  The oxidation of C–H bonds by copper centres in enzymes with molecular oxygen takes place in nature under ambient conditions. Herein we report a similar transformation in which under ambient pressure and temperature (1 ...

  

• Intermolecular Allene Functionalization by Silver-Nitrene Catalysis 

  Rodríguez, Manuel R.; Besora, María; Molina, Francisco; Maseras, Feliu; Díaz Requejo, María Mar; Pérez Romero, Pedro José (American Chemical Society, 2020-06)

  Under silver catalysis conditions, using [Tp*,BrAg]2 as the catalyst precursor, allenes react with PhI═NTs in the first example of efficient metal-mediated intermolecular nitrene transfer to such substrates. The nature of ...

  

• A Quantitative Model for Alkane Nucleophilicity Based on C−H Bond Structural/Topological Descriptors 

  Besora, María; Olmos Verge, Andrea; Noverges, Bárbara; Asensio, Gregorio; Caballero Bevia, Ana; Maseras, Feliu; Pérez Romero, Pedro José (Wiley, 2020)

  A first quantitative model for calculating the nucleophilicity of alkanes is described. A statistical treatment was applied to the analysis of the reactivity of 29 different alkane C−H bonds towards in situ generated metal ...

  

• The TpxM Core in Csp3–H Bond Functionalization Reactions: Comparing Carbene, Nitrene, and Oxo Insertion Processes (Tpx = Scorpionate Ligand; M = Cu, Ag) 

  Díaz Requejo, María Mar; Pérez Romero, Pedro José (Wiley, 2020-03)

  A comparison between three TpxM‐catalyzed (Tpx = scorpionate ligand; M = Cu, Ag) reactions leading to the functionalization of non‐activated, alkane Csp3–H bonds by carbene, nitrene or oxo insertion is presented. Analogies ...

  

• Improving Catalyst Activity in Hydrocarbon Functionalization by Remote Pyrene–Graphene Stacking 

  Ballestin, Pilar; Ventura Espinosa, David; Martín, Santiago; Caballero Bevia, Ana; Mata, José A.; Pérez Romero, Pedro José (Wiley, 2019-04)

  A copper complex bearing an N‐heterocyclic carbene ligand with a pyrene “tail” attached to the backbone has been prepared and supported on reduced graphene oxide (rGO). The free and supported copper materials have been ...

  

• Copper-Catalyzed N-F Bond Activation for Uniform Intramolecular C-H Amination Yielding Pyrrolidines and Piperidines 

  Bafaluy, Daniel; Muñoz Molina, José María; Funes Ardoiz, Ignacio; Herold, Sebastian; Aguirre, Adiran J. de; Zhang, Hongwei; Maseras, Feliu; Rodríguez Belderraín, Tomás; Pérez Romero, Pedro José; Muñiz, Kilian (Wiley, 2019-06)

  The dual function of the N-F bond as an effective oxidant and subsequent nitrogen source in intramolecular aliphatic C-H functionalization reactions is explored. Copper catalysis is demonstrated to exercise full regio- and ...

  

View more