Analysis of cooperation and electron delocalization in intermolecular hydrogen bonds 

    Guillaumes Domènech, Laia (Date of defense: 2015-06-15)

    This thesis presents different studies on hydrogen bonds that occur between two molecules. It is because of the biological importance of DNA that the base pairs, and other compounds with similar hydrogen bonds as these ...

    Bioinspired iron models: from diiron complexes to supramolecular functionalized metallocavitands 

    Vidal Sánchez, Diego (Date of defense: 2019-07-24)

    The oxidation of hydrocarbons under soft and selective conditions is a reaction almost exclusively produced under these conditions by enzymes. A lot of these enzymes, posses iron in their metal center, responsible for the ...

    Density functional theory to the rescue of transition-metal chemistry 

    Martins, Frederico F. (Date of defense: 2023-10-09)

    Density functional theory (DFT) was postulated almost 60 years ago and equipped chemists with a powerful framework to simulate, in silico, the behavior of chemical systems. Despite its widespread utility, DFT methods have ...

    Electronic structure, chemical bonding, and electronic delocalization of organic and inorganic systems with three-dimensional or excited state aromaticity 

    El Bakouri El Farri, Ouissam (Date of defense: 2017-11-22)

    Aromaticity is a key concept in chemistry, used by chemists to explain the structure, stability, and reactivity of many compounds. Aromatic compounds are present in industrial processes as well as in living systems. ...

    Enzymatic and bioinspired iron oxidation chemistry: a computational study 

    D'Amore, Lorenzo (Date of defense: 2021-12-10)

    The oxidative activation of C(sp3)–H bonds under ambient conditions represents a challenge to modern chemistry, nevertheless it is commonly operated in Nature by various oxygenases in key metabolic transformation and ...

    First row transition metal carbenes: from supporting ligands to organic reactive fragments 

    Rodríguez Serrat, Mònica (Date of defense: 2019-09-27)

    In the last decades, carbenes have shown a huge potential and versatility in organometallic and organic chemistry. In each of these fields, first row transition metal chemistry is less developed than noble metal complexes. ...

    Gold complexes for homogeneous cross-coupling catalysis and migratory insertion reactions 

    Serra Parareda, Jordi (Date of defense: 2018-06-21)

    Most of the different homogeneous reactions catalyzed by gold have been developed in the past fifteen years and stem from the ability of both Au(I) and Au(III) complexes to coordinate and activate multiple carbon-carbon ...

    New carbocyclisations of polyunsaturated hydrazones catalysed by rhodium(I) 

    Torres Antón, Òscar (Date of defense: 2017-02-24)

    Some of the most powerful methods for synthesizing complex organic molecules with high levels of chemo-, diastereo- and enantioselectivity rely on metal carbene chemistry. These compounds are versatile reaction intermediates ...

    Nous formats en la comunicació de la química. Explorant el seu paper en el foment de la cultura i les vocacions científiques 

    Vieta i Corcoy, Pep Anton (Date of defense: 2017-02-07)

    Throughout this thesis I was involved in different science communication projects where research and innovation have been applied to improve existing proposals and exploring new formats without forget the evaluation of the ...

    Rational design of bioinspired iron and manganese catalysts for the effective and selective epoxidation of alkenes and oxidation of alkanes 

    Clarasó Petit, Carlota (Date of defense: 2019-02-08)

    Metalloenzymes are a fundamental source of inspiration for synthetic chemists. Oxidation metalloenzymes catalyze oxidation reactions with high efficiency under very mild experimental conditions exhibiting exquisite regio- ...

    Reaction mechanisms involved in cross coupling processes catalysed by copper and nickel 

    Rovira Coll, Mireia (Date of defense: 2017-03-10)

    Organometallic aryl-CuIII species have been proposed as key intermediates in Ullmann-type reactions. However, such species have long remained elusive and mechanistic investigations of a plausible catalytic cycle remained ...

    Reactivity of fullerenes, endohedral metallofullerenes, and nanotubes, and their possible application in solar energy conversion 

    Martínez López, Juan Pablo (Date of defense: 2016-11-18)

    The physical and chemical properties of fullerenes and nanotubes can be conveniently tuned by the attachment of different functional groups to them. Therefore, the systematic understanding of different problems such as ...

    Rhodium-catalysed [2+2+2] cycloaddition reactions for the preparation of highly functionalised cyclic compounds 

    Cassú Ponsatí, Daniel (Date of defense: 2018-04-20)

    Transition metal-catalysed [2+2+2] cycloaddition reactions involving unsaturated substrates represent one of the most elegant methods in organic chemistry to prepare functionalised cyclic compound. This doctoral thesis is ...

    Structure and hydrogen dynamic behavior in proton sponge cations and organometallic complexes 

    Horbatenko, Yevhen (Date of defense: 2013-12-13)

    This thesis focuses on the study of hydrogen dynamic behavior in a series of proton sponge cations as well as in bis(silyl)hydride organometallic complexes. To understand the dynamic behavior, a new tool, i.e. the ...

    Structure and reactivity of endohedral (metallo)fullerenes 

    García Borràs, Marc (Date of defense: 2015-05-29)

    It all started in 1985, when Kroto, Smalley and Curl discovered by serendipity a new carbon allotrope. They synthesized for the first time the C60 molecule, and named it as ”Buckminsterfullerene”, because of the similarity ...

    Supramolecular nanocapsules as platforms for molecular recognition and reactivity in confined spaces 

    Fuertes Espinosa, Carles (Date of defense: 2020-07-23)

    The use of self-assembly to bring simple building blocks together into complex product, has led to the preparation of an increasing number of sophisticated and functional 3D supramolecular nanocapsules. By understanding ...

    Theoretical study of water oxidation and reduction mechanisms by aminopyridine first row transition metal catalysts 

    Acuña-Parés, Ferran (Date of defense: 2016-07-20)

    One of the major current scientific goals is the development of renewable energy sources. An effective alternative to fossil fuels consists in the conversion of the sunlight energy into chemical fuels. The molecular hydrogen ...