Listar QUIO_Articles por autoría "a210c583-a719-4a3c-afaf-c46fee460bea"
Mostrando ítems 1-20 de 21
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A pyrene-based N‑heterocyclic carbene: study of its coordination chemistry and stereoelectronic properties
Valdés Rivas, Hugo Christian; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2014)A new pyrene-N-heterocyclic carbene ligand has been obtained and coordinated to rhodium and iridium, affording the corresponding [MCl(NHC)(COD)] and [MCl(NHC)(CO)2] complexes (M = Ir, Rh). The presence of the pyrene ... -
A Tetracyclic Bis(imidazolindiylidene) Ligand and Its Diiridium and Dipalladium Complexes
Valdés Rivas, Hugo Christian; Peris, Eduardo; Poyatos, Macarena American Chemical Society (2013)A bis(imidazolidine) with two butylene linkers between the nitrogen atoms of the adjacent heterocycles has been prepared. This tetracyclic molecule can be coordinated to iridium and palladium following two different ... -
A Y-Shaped tris-N-heterocyclic carbene for the synthesis of simultaneously chelate-monodentate dipalladium complexes
Peris, Eduardo; Gonell, Sergio; Mata Martínez, Jose A; Poyatos, Macarena American Chemical Society (2011-11)A Y-shaped tris-NHC ligand has been obtained and coordinated to palladium, affording metal complexes with novel topological properties. The tris-NHC ligand is capable of coordinating the two metals, affording two different ... -
Cp*Ir(NHC) complexes as highly versatile and efficient catalysts for the cross-coupling of alcohols and amines
Prades Ferrer, Amparo; Corberán Roc, Rosa; Poyatos, Macarena; Peris, Eduardo Wiley-VCH (2008-11-19)A comparative study on the catalytic activity of a series of Cp*Ir(NHC)Cl2 complexes in several C-O and C-N coupling processes implying hydrogen-borrowing mechanisms has been performed. The compound Cp*Ir(InBu)Cl2 (InBu ... -
Double CH bond activation of C(sp3)H2 groups for the preparation of complexes with back-to-back bisimidazolinylidenes
Prades Ferrer, Amparo; Poyatos, Macarena; Mata Martínez, Jose A; Peris, Eduardo Wiley (2011-06-29)Two-headed carbenes: N-heterocyclic carbene complexes of rhodium and iridium were obtained by the double CH activation of CH2 groups in N heterocycles (see structure: C gray, N blue, Cl green, Ir pink). The reaction ... -
Empleo del visualizador gráfico Jmol en las clases de simetría molecular
Poyatos, Macarena; Julian-Lopez, Beatriz Educación Editora (2014)El presente trabajo divulga la innovación educativa que se ha desarrollado en la asignatura Química Inorgánica III (QU0924) del tercer curso del Grado en Química en el curso académico 2013/2014, de la Universitat Jaume I ... -
Ferrocenyl-Imidazolylidene Ligand for Redox-Switchable Gold-Based Catalysis. A Detailed Study on the Redox-Switching Abilities of the Ligand
Ibáñez, Susana; Poyatos, Macarena; Dawe, Louise N.; Gusev, Dmitry; Peris, Eduardo American Chemical Society (2016)An imidazolium salt with a fused benzoferrocenyl was synthesized. This compound was used as an N-heterocyclic carbene (NHC) precursor, and the related ferrocenyl-imidazolylidene complexes Fc-NHC-MLn (MLn = IrCl(COD), ... -
Imidazolidines as hydride sources for the formation of late transition-metal monohydrides
Poyatos, Macarena; Prades Ferrer, Amparo; Gonell, Sergio; Gusev, Dmitry; Peris, Eduardo Royal Society of Chemistry (2012)The reaction of a series of imidazolidines with chloro-complexes of Ir, Rh and Ru affords the clean generation of the corresponding monohydrido metal species. Computational analysis of the reduction process suggests that ... -
Main-Chain Organometallic Microporous Polymers Bearing Triphenylene–Tris(N-Heterocyclic Carbene)–Gold Species: Catalytic Properties
Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo WILEY-VCH Verlag GmbH & Co. KGaA (2014-05)Two triphenylene-based tris(N-heterocyclic carbene)–gold–acetylide main-chain organometallic microporous polymers (MOMPs) were obtained and fully characterized. Both materials show spherical shapes, and their size is highly ... -
Mono and dimetallic pyrene-imidazolylidene complexes of iridium (III) for the deuteration of organic substrates and the C-C coupling of alcohols
Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo Royal Society of Chemistry (2016)Three different Ir(III) complexes with pyrene-containing N-heterocyclic carbenes have been prepared and characterized. Two complexes contain a monodentate pyrene-imidazolylidene ligand, and have the formulae [IrCp*Cl2( ... -
Pincer-CNC mononuclear, dinuclear and heterodinuclear Au(III) and Pt(II) complexes supported by mono- and poly-N-heterocyclic carbenes: synthesis and photophysical properties
Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo Royal Society of Chemistry (2016)A family of cyclometallated Au(III) and Pt(II) complexes containing a CNC-pincer ligand (CNC = 2,6-diphenylpyridine) supported by pyrene-based mono- or bis-NHC ligands have been synthesized and characterized, together ... -
Pyrene-Based Bisazolium Salts: From Luminescence Properties to Janus-Type Bis-N-Heterocyclic Carbenes
Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo WILEY-VCH Verlag GmbH & Co. KGaA (2014-07)A series of pyrene-based bisazolium salts have been obtained starting from 4,5,9,10-tetrabromo-2,7-di-tert-butylpyrene. The synthetic procedure to the pyrene-bisazoliums (PBIs) reveals an unexpected behavior, as a consequence ... -
Recent developments in the applications of palladium complexes bearing N-heterocyclic carbene ligands
Mata Martínez, Jose A; Poyatos, Macarena Bentham Science Publishers (2011-01-09)N-heterocyclic carbene (NHC) ligands have become ubiquitous ligands in the preparation of metal complexes with new catalytic applications. Mainly due to their applications in C-C bond formation reactions, a plethora of ... -
Rhodium–NHC complexes mediate diboration versus dehydrogenative borylation of cyclic olefins: a theoretical explanation†
Pubill Ulldemolins, Cristina; Poyatos, Macarena; Bo, Carles; Fernández, Elena Royal Society of Chemistry (2013)In rhodium catalysed borylation of cyclic olefins, the synergy between bidentate NHC ligands, that modify cationic Rh(I) species, and the use of non-polar solvents, such as cyclohexane, is the key factor to favour a less ... -
Structural Features of Mono- and Dimetallic Complexes of Palladium Combining Two Types of Aromatic NHC Ligands
Gonell, Sergio; Peris, Eduardo; Poyatos, Macarena ChemPubSoc Europe (2019-09-08)A family of palladium complexes that combine two types of aromatic N‐heterocyclic carbene (NHC) ligands has been prepared starting from dinuclear palladium complexes. Two of the complexes are mono‐metallic and contain a ... -
Synthesis and Characterization of Poly-NHC-Derived Silver(I) Assemblies and Their Transformation into Poly-Imidazolium Macrocycles
Gutiérrez-Blanco, Ana; Dobbe, Christian B.; Hepp, Alexander; Daniliuc, Constantin G.; Poyatos, Macarena; Hahn, Franz Ekkehardt; Peris, Eduardo Wiley-VCH GmbH (2021-04-22)Three metallosupramolecular assemblies composed of two bis-NHCs and two silver atoms, [4](PF6)2, two tetra-NHCs and foursilver atoms, [7](PF6)4, and two tri-NHCs and three silver atoms[8](BF4)3, have been prepared. Assemblies ... -
Synthesis and Properties of Chelating N-Heterocyclic Carbene Rhodium(I) Complexes: Synthetic Experiments in Current Organometallic Chemistry.
Mas, Elena; Mata Martínez, Jose A; Poyatos, Macarena © 2011 The American Chemical Society and Division of Chemical Education (2011-03)The preparation and characterization of two air-stable Rh(I) complexes bearing a chelating N-heterocyclic carbene (NHC) ligand is described. The synthesis involves the preparation of a Ag(I)-NHC complex and its use as ... -
Triphenylene-Based Tris(N-Heterocyclic Carbene) Ligand: Unexpected Catalytic Benefits
Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo Wiley (2013-07-01)Triple play: A novel triphenylene-based tris(N-heterocyclic carbene) ligand with D3h symmetry and a highly π-delocalized system has been prepared and coordinated to palladium and gold (see figure). The catalytic activities ... -
Tuning the Catalytic Activity of a Pincer Complex of Rhodium(I) by Supramolecular and Redox Stimuli
Martínez-Vivas, Sebastián; Gusev, Dmitry; Poyatos, Macarena; Peris, Eduardo Wiley (2023)We report the rhodium(I) complex [Rh(CNC−NDI)(CO)]+, in which CNC−NDI refers to a pincer-CNC ligand decorated with a naphthalenediimide moiety. Due to the presence of the planar CNC ligand and the naphthalenediimide moiety, ... -
Y-Shaped Tris-N-Heterocyclic-Carbene Ligand for the Preparation of Multifunctional Catalysts of Iridium, Rhodium, and Palladium
Gonell, Sergio; Poyatos, Macarena; Mata Martínez, Jose A; Peris, Eduardo American Chemical Society (2012)A series of homo- and hetero-dimetallic complexes of Ir, Rh, and Pd have been obtained using our previously reported Y-shaped tris-NHC ligand. The new complexes can be obtained through the isolation of the corresponding ...