Browsing INAM_Articles by Author "a210c583-a719-4a3c-afaf-c46fee460bea"
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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 Dinuclear Au(I) Complex with a Pyrene-di-N-heterocyclic Carbene Linker: Supramolecular and Catalytic Studies
Nuevo Vialás, Daniel; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2018)A digold(I) complex with a pyrene-di-N-heterocyclic carbene ligand has been obtained and fully characterized. The host–guest properties of the complex were studied in chloroform with a series of polycylic aromatic hydrocarbons ... -
A redox-switchable catalyst with an 'unplugged' redox tag
Gutiérrez Peña, Cristian Leonardo; Poyatos, Macarena; Peris, Eduardo Royal Society of Chemistry (2022-08-24)Two bis-(propyl-imidazolium)-napthalenediimide (NDI) salts were prepared and used as N-heterocyclic carbene (NHC) precursors for the preparation of dimetallic complexes of rhodium and iridium. Infrared spectroelectrochemical ... -
A Redox-Switchable Gold(I) Complex for the Hydroamination of Acetylenes: A Convenient Way for Studying Ligand-Derived Electronic Effects
Ruiz Zambrana, César Luís; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2022-03-31)A gold complex with a naphthalene-di-imide-functionalized N-heterocyclic carbene (NHC) ligand was prepared and characterized. The electrochemical studies reveal that the complex is able to undergo two successive reduction ... -
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 ... -
“Anion-Switchable” Pincer-Mn(I) Catalyst for the Reductive N-Methylation of Amines with Formic Acid and CO2
Martínez-Vivas, Sebastián; Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2024-05-01)We report a manganese(I) complex of formula [Mn(NDI-CNC)(CO)3](BArF4), in which NDI-CNC refers to a pincer pyridine-bis-imidazolylidene ligand functionalized with a naphthalene-diimide (NDI) moiety. Due to the presence of ... -
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 ... -
Dehydrative coupling of alcohols by Iridium(III) complexes with N-Heterocyclic-Pyridine chelating ligands decorated with Naphthalene-Diimide
Gutiérrez Peña, Cristian Leonardo; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2023-05-25)A series of dimetallic and monometallic Cp*Ir(III) complexes bearing naphthalene-diimide-decorated N-heterocyclic carbene/pyridine [NDI-(NHC-pyridine)] ligands were prepared and characterized. The complexes show a C,C-chelating ... -
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) Complex with a Photoactive Ligand Behaves as a Two-in-One Dual Metallaphotoredox Cross-Coupling Catalyst
Ruiz Zambrana, César Luís; Poyatos, Macarena; Peris, Eduardo American Chemical Society (2024-02-29)We herein describe the use of a gold complex with a naphthalene-di-imide-functionalized N-heterocyclic carbene (NDI-NHC) ligand, which was used as a photocatalyst for a variety of reactions. Due to the presence of the ... -
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 ... -
Insights into the past and future of Janus-di-N-heterocyclic carbenes
Poyatos, Macarena; Peris, Eduardo (2021-07-19)Janus di-N-heterocyclic carbene (NHC) ligands are a subclass of poly-NHCs that feature coordination to two transition metals in a facially opposed manner. The combination of the structural features of Janus type ligands, ... -
Ligand & band gap engineering: tailoring the protocol synthesis for achieving high-quality CsPbI3 quantum dots
Hassanabadi, Ehsan; Latifi, Masoud; Gualdrón Reyes, Andrés Fabián; Masi, Sofia; YOON, SEOG JOON; Poyatos, Macarena; Julian-Lopez, Beatriz; Mora-Sero, Ivan Royal Society of Chemistry (2020)Hot-injection has become the most widespread method used for the synthesis of perovskite quantum dots (QDs) with enormous interest for application in optoelectronic devices. However, there are some aspects of the chemistry ... -
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 ... -
Platinum-Based Organometallic Folders for the Recognition of Electron-Deficient Aromatic Substrates
Nuevo Vialás, Daniel; Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo Wiley (2017-05-29)A series of platinum complexes with cis-oriented polyaromatic N-heterocyclic carbene ligands were prepared and characterized. The relative disposition of the polyaromatic ligands about the metal cause these compounds to ... -
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 ... -
Pyrene-Connected Tetraimidazolylidene Complexes of Iridium and Rhodium. Structural Features and Catalytic Applications
Gutiérrez-Blanco, Ana; Peris, Eduardo; Poyatos, Macarena American Chemical Society (2018)A pyrene-connected tetra-imidazolium salt has been prepared starting from commercially available 1,3,6,8-tetrabromopyrene, and used as tetra-NHC precursor in the preparation of tetranuclear Rh(I) and Ir(I) complexes. The ... -
Redox-Switchable Complexes Based on Nanographene-NHCs
Ruiz Zambrana, César Luís; Dubey, Rajeev K.; Poyatos, Macarena; Mateo-Alonso, Aurelio; Peris, Eduardo Wiley (2022-05-30)A series of rhodium and iridium complexes with a N-heterocyclic carbene (NHC) ligand decorated with a perylene-diimide-pyrene moiety are described. Electrochemical studies reveal that the complexes can undergo two successive ... -
Redox-Switchable Cycloisomerization of Alkynoic Acids with Napthalenediimide-Derived N-Heterocyclic Carbene Complexes
Ruiz Zambrana, César Luís; Gutiérrez-Blanco, Ana; Gonell, Sergio; Poyatos, Macarena; Peris, Eduardo Wiley (2021-09-01)Two naphthalene-diimide (NDI) bis-imidazolium salts have been used as N-heterocyclic carbene (NHC) precursors for the preparation of NDI-functionalized complexes of rhodium and iridium of general formula [MCl(NDI-NHC)(COD)] ... -
Supramolecular Control of the Oxidative Addition as a Way To Improve the Catalytic Efficiency of Pincer-Rhodium (I) Complexes
Martínez-Vivas, Sebastián; Poyatos, Macarena; Peris, Eduardo Wiley (2023-07-21)H-1 NMR studies using a cationic complex with a pyridine-di-imidazolylidene pincer ligand of formula [Rh(CNC)(CO)](+) revealed that this compound showed high binding affinity with coronene in CH2Cl2. The interaction between ...