Activació d'O2, HOOH i t-BuOOH amb complexos de Cu i Fe amb lligands N-heterocíclics aromàtics i macrocíclics per l'oxidació de substrats orgànics i inorgànics en condicions suaus 

    Costas Salgueiro, Miquel (Date of defense: 1999-02-26)

    This thesis is organized in seven independent chapters: I) a description of the structure and reactivity of the metalloproteins of copper and iron which deal with the oxygen processing into living organisms; II) an study ...

    Aplicación de la técnica GPC al análisis de polímeros de interés industrial 

    López Lastra, Adrián (Date of defense: 2020-07-28)

    Polymers are one of the most used compounds in the chemical industry because they have application in a wide variety of products for daily use. Polymer preparation and its analysis is a very active field of research in ...

    Bioinspired iron and manganese catalysts for the effective and selective oxidation of alkanes and alkenes 

    Gómez Martín, Laura (Date of defense: 2010-06-04)

    La gran eficiència, selectivitat i les condicions suaus exhibides per les reaccions que tenen lloc al centre actiu de les metal·looxigenases són la font d'inspiració per la present dissertació. Amb l'objectiu de dissenyar ...

    Bioinspired ligands and model substrates for the mechanistic elucidation of oxygen activation and cross-coupling reactions mediated by first-row transition metals 

    Magallón Gubau, Carla (Date of defense: 2022-05-16)

    Nowadays, one of the main goals in organic chemistry and fine industry is the development of new synthetic methodologies for the preparation of life-relevant products in a sustainable manner. The use of first-row ...

    Bioinspired metal-based oxidants: selectivity in catalytic hydroxylation of aliphatic C-H bonds and insight into the reactivity of oxoiron species 

    Dantignana, Valeria (Date of defense: 2020-12-03)

    Selective oxidation of C-H bonds is an important reaction, as it can disclose novel synthetic strategies to get functionalized products through efficient paths. Nonetheless, due to the inert character of C-H bonds, the use ...

    Bioinspired non-heme iron catalysts for challenging oxidative transformations: mechanistic studies and catalytic applications on selective alkane hydroxylation and alkene cis-dihydroxilation 

    Prat Casellas, Irene (Date of defense: 2013-06-14)

    The functionalization of hydrocarbons in a sustainable manner is one of the main challenges for chemists. Their abundance in nature as natural gas or crude oil makes them the most convenient chemical feedstock. The oxidation ...

    Carborane compounds as efficient light-driven in oxidation catalysis 

    Guerrero Troyano, Isabel (Date of defense: 2022-03-13)

    This thesis studies the behavior of different metallacarboranes such as Na[Co(C2B9H11)2] Na[1] and their chlorinated derivatives, Na[3,3’-Co(8-Cl-1,2-C2B9H10)2] Na[Cl2-1] i Na[3,3’-Co(8,9,12-Cl3-1,2-C2B9H8)2] Na[Cl6-1], ...

    Carboxylic acids as directing groups for intramolecular catalytic oxidation of unactivated C(sp3)-H bonds with bioinspired catalysts 

    Cianfanelli, Marco (Date of defense: 2021-12-03)

    In this thesis we developed a protocol for the intramolecular oxidation of prochiral secondary C-H bonds in which carboxylic acids, acting as directing groups for the oxidant species, promoted a highly site-selective and ...

    Chelation-assisted metal-catalyzed functionalization of strong Csp2-H/Heteroatom bonds: trapping intermediate species and unveiling mechanistic details 

    Capdevila Güell, Lorena (Date of defense: 2022-07-22)

    The development of new methodologies for the construction of complex molecules is one of the principal objectives in synthetic organic chemistry. Although huge advances have been made on cross-coupling reactions, there is ...

    Cobalt-catalyzed C-H functionalization: from mechanistic studies to synthetic methodologies 

    Planas Fàbrega, Oriol (Date of defense: 2018-02-23)

    This Ph.D. dissertation describes the synthesis and characterization of bench-top stable aryl-Co(III) organometallic species using commercially available cobalt(II) salts and a macrocyclic model substrate. Special attention ...

    Computational mechanistic studies of C-H and C-X activated organometallic species with first-row transition metals 

    Roldán Gómez, Steven (Date of defense: 2020-01-14)

    During the last decades, computational chemistry has become a resourceful tool in the quest to understand and predict the mechanism and the reactivity of chemical systems. This is especially true in the area of ...

    Development of new reusable materials based on Ru complexes with catalytic activity for olefin epoxidation and nitrile hydration 

    Ferrer Vall-llosada, Íngrid (Date of defense: 2015-07-16)

    In this thesis we present the synthesis and characterization of different types of ruthenium complexes containing N-donor ligands together with dmso, Cl and H2O ligands, along with their complete characterization through ...

    Development of new transition metal complexes for their use in sustainable catalytic processes and as antitumoral agents 

    Manrique Salas, Ester (Date of defense: 2018-10-22)

    In this thesis we present the synthesis and characterization of different types of ruthenium complexes containing N-donor ligands together with monodentate ligands, along with their complete characterization through s ...

    Development of structurally and electronally versatile aminopyridine cobalt complexes for photo-(electro) reduction of water and ketones 

    Call Quintana, Arnau (Date of defense: 2016-12-13)

    The increasing need for more efficient synthetic methods and sustainable processes for fuel and high-value organic molecules production can be seen as one of the major challenging goals for the future. Nature has developed ...

    Gold complexes based on (N,C) and (N,C,C) chelating ligands: ligand design and reactivity studies in cross-coupling catalysis 

    Font Rubio, Pau (Date of defense: 2023-10-06)

    Homogeneous reactions catalyzed by gold have mainly been developed in the past two decades, stemming from the proneness of Au(I) and Au(III) complexes to coordinate and activate carbon-carbon multiple bonds towards a ...

    High-valent iron complexes supported with tetradentate and pentadentate ligands based on the triazacyclononane scaffold 

    Sabeña Vila, Gerard (Date of defense: 2017-06-23)

    In this work we have prepared octahedral non - heme iron species in high oxidation states. Iron (IV) - oxo and iron (IV) - imido complexes based on triazacyclononane scaffold had been synthesised and all of them had been ...

    Implementing amino acids in manganese-catalyzed biologically inspired oxidations: g-lactonization and ligand design 

    Vicens Serra, Laia (Date of defense: 2023-07-18)

    Most of the organic molecules used in chemical industry (and their synthetic precursors) contain oxygen atoms in their structure. One of the most convenient methods for the preparation of oxygenated compounds is the ...

    Macrocyclic chemistry. From anion recognition to the reactivity of their copper complexes 

    Arbusé Font, Arnau (Date of defense: 2020-11-12)

    Macrocyclic ligands and its complexes have been studied in a wide variety of fields, among them bioinorganic chemistry. In this work it is reported three studies of macrocyclic species under three points of view. Firstly, ...

    Model aryl halide macrocyclic substrates for the elucidation of coinage metal catalysed cross-coupling reaction mechanism 

    Font Molins, Marc (Date of defense: 2015-02-13)

    Aryl-Cu(III) species have been often implicated as the intermediate species that operate Ullmann-type couplings. However, such species have long remained elusive and the fundamental pathways that govern Ullmann-type ...

    New manganese complexes with nitrogen donor ligands. Catalysts for oxidation reactions 

    Rich Masallera, Jordi (Date of defense: 2012-06-08)

    The catalytic asymmetric oxidation of alkenes has special interest from both industrial and academic points of view. For this reason, catalysts able to perform these reactions in a faster and more effective manner have ...