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Showing 8 out of a total of 8 results for community: Universitat de Girona. (1.578 seconds)

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Managanese and dicopper complexes for bioinspired oxidation reactions: catalytic and mechanistic studies on C-H and C=C oxidations

Garcia Bosch, Isaac (Date of defense: 20-12-2011)
Enzymes are high-weight molecules which catalyze most of the metabolic processes in living organisms. Very often, these proteins contain one or more 1st row transition metal ions in their active center (Fe, Cu, Co, Mn, Zn, ...
Reactivity of well-defined organometallic copper(III) complexes in carbon-heteroatom bond forming reactions

Casitas Montero, Alícia (Date of defense: 01-06-2012)
This thesis is focused on the unexplored field of organometallic copper(III) chemistry. Arylcopper(III) complexes have been proposed as key intermediates in Ullmann condensation reactions that consist in the coupling of ...
Synthesis of molecular nanocapsules for supramolecular host-guest chemistry and enzyme-like catalysis

García Simón, Cristina (Date of defense: 10-04-2015)
Coordination-driven self-assembly has led to the realization of an increasing number of elegant and sophisticated functional structures, the structural complexity of which would be difficult to achieve using conventional ...
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: 14-06-2013)
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 ...
Development of highly structured non-heme iron catalysts for selective C-H group oxidations

Canta i Roldós, Mercè (Date of defense: 29-07-2014)
Catalytic oxidation reactions of hydrocarbons that occur in the active site of metalloenzymes exhibit high efficiency and exquisite regio- and stereoselectivity under mild experimental conditions. We describe the efficient ...
Model aryl halide macrocyclic substrates for the elucidation of coinage metal catalysed cross-coupling reaction mechanism

Font Molins, Marc (Date of defense: 13-02-2015)
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 ...
Bioinspired iron and manganese catalysts for the effective and selective oxidation of alkanes and alkenes

Gómez Martín, Laura
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 ...
Highly enantioselective epoxidation with hydrogen peroxide and biologically inspired iron and manganese catalysts

Cussó Forest, Olaf (Date of defense: 20-06-2016)
Asymmetric epoxidation is one of the most important reactions in synthetic organic chemistry, because chiral epoxides act as versatile electrophiles which can be converted in a number of interesting and useful chiral ...