Browsing by Author "0dea0cf7-1b47-4606-9e64-50d63375609c"
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A D3h-symmetry hexaazatriphenylene-tris-N-heterocyclic carbene ligand and its coordination to iridium and gold: preliminary catalytic studies
Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo Royal Society of Chemistry (2017)A new D3h-symmetry tris-N-heterocyclic carbene ligand has been prepared and coordinated to iridium and gold. The ligand contains an electron-poor hexaazatriphenylene core; thus, the resulting tris-NHC ligand is a poor ... -
A Matter of Fidelity: Self‐Sorting Behavior of Di‐Gold Metallotweezers
Ibáñez, Susana; Peris, Eduardo Wiley (2019-06)Cation‐induced high selective self‐sorting is observed for reactions involving a series of di‐gold metallotweezers. The variation of the nature of the arms of the tweezers (benzo‐imidazolylidene or pyrene‐imidazolylidene), ... -
A Rigid Trigonal‐Prismatic Hexagold Metallocage That Behaves as a Coronene Trap
Ibáñez, Susana; Peris, Eduardo Wiley (2019-05-13)A trigonal‐prismatic hexagold cage was obtained by combining a triphenylene‐tris(N‐heterocyclic carbene) ligand and a carbazolyl‐bis(alkynyl) linker. The metallocage has a slot‐like cavity with a volume of about 300 Å3. ... -
A Twisted Tetragold Cyclophane from a Fused BisImidazolindiylidene
Gutiérrez-Blanco, Ana; Ibáñez, Susana; Hahn, Franz Ekkehardt; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2019)The reaction between an angular bis-imidazolidinium salt and [AuCl(SMe)2] allowed the preparation of a discrete digold complex, with a rigid angular bridging bis-imidazolindiylidene ligand. This complex reacts with ... -
An extended chain and trinuclear complexes based on unsupported Pt(II)-M (M = Tl(I), Pb(II)) Bond: Contrasting Photophysical Behavior
Forniés, Juan; Giménez, Nora; Ibáñez, Susana; lalinde, Elena; Martín, Antonio; Moreno, María Teresa American Chemical Society (2015-04)The syntheses and structural characterizations of a Pt–Tl chain [{Pt(bzq)(C6F5)2}Tl(Me2CO)]n 1 and two trinuclear Pt2M clusters (NBu4)[{Pt(bzq)(C6F5)2}2Tl] 2 and [{Pt(bzq)(C6F5)2}2Pb] 3 (bzq = 7,8-benzoquinolinyl), stabilized ... -
Cation-Driven Chemically Tunable Formation of Different Discrete, Oligomeric, and Polymeric Self-Assembled Structures from Digold Metallotweezers
Ibáñez, Susana; Peris, Eduardo Institute of Chemistry of Organometallic Compounds (ICCOM) of the Italian National Research Council (CNR) (2018-06-15)In this work, the complex supramolecular landscape of a digold metallo-tweezer (Figure 1) is successfully controlled by adding a series of metal cations. -
Cation-Driven Self-Assembly of a Gold(I)-Based Metallo-Tweezer
Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo Wiley (2017-08-07)A combination of self-complementary pi-pi-stacking interactions and metallophilic interactions triggered the self-assembly of a new digold(I) metallo-tweezer in the presence of several types of M+ ions. Titrations by ... -
Chemically Tunable Formation of Different Discrete, Oligomeric, and Polymeric Self‐Assembled Structures from Digold Metallotweezers
Ibáñez, Susana; Peris, Eduardo (2018)Digold metallotweezers whose complex supramolecular landscape is controlled by adding a series of metal cations are described. The metallotweezers have a strong tendency to form interesting supramolecular structures on ... -
Clippane: A Mechanically Interlocked Molecule (MIM) Based on Molecular Tweezers
Ibáñez, Susana; Vicent Barrera, Cristian; Peris, Eduardo Wiley (2022-01-10)In this study we report the preparation of a new mechanically interlocked molecule formed by the self-aggregation of two metallotweezers composed by two pyrene-imidazolylidene gold(I) arms and a pyridine-centered pentacyclic ... -
Dimensional Matching versus Induced‐Fit Distortions: Binding Affinities of Planar and Curved Polyaromatic Hydrocarbons with a Tetragold Metallorectangle
Ibáñez, Susana; Peris, Eduardo Wiley (2020-04-20)A tetragold(I) rectangle‐like metallocage containing two pyrene‐bis‐imidazolylidene ligands and two carbazolyl‐bis‐alkynyl linkers is used for the encapsulation of a series of polycyclic aromatic hydrocarbons (PAHs), ... -
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), ... -
Fluorescent Pyrene-Based Bis-azole Compounds: Synthesis and Photophysical Analysis
Ibáñez, Susana; Guerrero, Antonio; Poyatos, Macarena; Peris, Eduardo Wiley (2015-06-10)A rational synthetic procedure for the preparation of a series of pyrene-based neutral and dicationic bis-azole compounds is reported. The method allows the tailored design of pyrene-based azoles with different substituents ... -
Gold Catalysts with Polyaromatic-NHC ligands. Enhancement of Activity by Addition of Pyrene
Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2017)Three Au(I) complexes with N-heterocyclic carbene ligands fused to polycyclic aromatic hydrocarbons (pyrene and phenanthrophenazine) have been obtained and fully characterized. The complexes were tested as catalysts in ... -
Gold(I) Metallo‐Tweezers for the Recognition of Functionalized Polycyclic Aromatic Hydrocarbons by Combined π–π Stacking and H‐Bonding
Biz, Chiara; Ibáñez, Susana; Poyatos, Macarena; Gusev, Dmitry; Peris, Eduardo Wiley (2017)Two gold(I)‐based metallo‐tweezers with bis(Au−NHC) pincers and a carbazole connector have been obtained and used for the recognition of polycyclic aromatic hydrocarbons (PAHs). In the case of the tweezer with pyrene–NHC ... -
“Lock and Key” and “Induced-Fit” Host–Guest Models in Two Digold(I)-Based Metallotweezers
Ibáñez, Susana; Peris, Eduardo American Chemical Society (2022-04-01)Two different metallotweezers, each with two pyrene–imidazolylidene–gold(I) arms, were used as hosts for a series of planar aromatic guests. The metallotweezer with a dibenzoacridinebis(alkynyl) spacer (1) orients the two ... -
Micro-scale Experiments in the Increasingly Fashionable Laboratory in High Schools
Ruiz-Botella, Sheila; Ibáñez, Susana Science Publishing Group (2020)Objective: Experimental activities in laboratories are an important part in teaching and learning chemistry. Nevertheless, its implementation may be limited by the lack of material, instrument and above all the risk ... -
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( ... -
N-Heterocyclic Carbenes: A Door Open to Supramolecular Organometallic Chemistry
Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2020-07-09)The field of metallosupramolecular chemistry is clearly dominated by the use of O-, N-, and P-donor Werner-type polydentate ligands. These molecular architectures are of high interest because of their wide range of ... -
Polynuclear platinum phosphanido/phosphinito complexes: formation of P-O and P-O-P bonds through reductive coupling processes
Ara, Irene; Forniés, Juan; Ibáñez, Susana; Mastrorilli, Piero; Todisco, Stefano; Gallo, Vito The Royal Society of Chemistry (2015-11)A mixture of the asymmetric complexes of formula [(RF)2Pt(μ-Ph2PO)(μ-PPh2)Pt(μ-PPh2)2Pt(solv)(solv′)] [(1-(solv)(solv′)] (solv, solv′ = acetone, H2O, CH3CN) has been prepared by reaction of [(RF)2PtII(μ-PPh2)2PtII(μ-PPh2 ... -
Preparation and self-aggregation properties of a series of pyrene-imidazolylidene complexes of gold (I)
Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo Elsevier (2020-06-21)This article describes the preparation of three different Au(I) complexes bearing a pyrene-imidazolylidene ligand, two of which are bound to phenyl-acetylene ligands. The supramolecular and photophysical properties of all ...