Ara mostrant els elements 21-30 de 31
Valls Cantenys, Carme (Data de defensa: 2014-11-21)
The presence of anthropogenic chemical substances in water resources can affect the ecological balance of aquatic systems, as well as human health, and therefore it is necessary to control their presence ...
Dachs Soler, Anna (Data de defensa: 2011-07-29)
The [2+2+2] cycloaddition reaction involves the formation of three carbon-carbon bonds in one single step using alkynes, alkenes, nitriles, carbonyls and other unsaturated reagents as reactants. This ...
Escoda i Acero, Ma. Lluïsa (Data de defensa: 1997-07-14)
La memòria consisteix en l'estudi de la complexació del Fe3+ i de l'AI3+ per fosfats i lligands orgànics carboxílics (PBTC) en un medi iònic 0.5 M en NaNO3 i una posterior aplicació dels resultats ...
Ferre Malagon, Rafael (Data de defensa: 2010-07-23)
Aquesta tesi doctoral està basada en el desenvolupament de nous agents antimicrobians derivats del pèptid híbrid cecropina A-melitina WKLFKKILKVL-NH2 (Pep3) que siguin sostenibles i útils per al control ...
Masllorens i Llinàs, Judit (Data de defensa: 2006-02-10)
Aquesta Tesi Doctoral està dividida en diferents capítols tots ells basats en aplicacions de macrocicles nitrogenats triolefínics de 15 membres i dels seus complexos amb metalls de transició. En primer ...
Vila Vadrí, Jordi (Data de defensa: 2023-04-21)
The development of novel catalytic methodologies involving the formation of carbon – carbon/heteroatom bonds to produce cyclic systems constitutes a field of great interest in the modern synthetic organic ...
Oliveras Rovira, Àngel (Data de defensa: 2020-10-27)
Nowadays, around a third of the agricultural production is lost due to the damage caused by pests, resulting in a significant economic impact. It is estimated that about a third of these losses are ...
Heras i Corominas, Montserrat (Data de defensa: 1999-07-27)
According to a strategy based on an Aza-Wittig reaction type, an efficient methodology in solution toward the synthesis of libraries of 2-aminoimidazolones with high molecular diversity has been developed. ...
Butchosa Robles, Cristina (Data de defensa: 2012-06-22)
The present thesis models nucleobase-amino acid charge transfer reactions, which can serve as base for future computational investigations of charge transfer processes in DNA-protein systems. Guanine ...
Planas i Grabuleda, Marta (Data de defensa: 1996-03-15)
Spiro-γ-lactones are widely distributed among natural products, several of them being well known by their interesting biological activities. We describe herein the synthesis of 1-oxaspiro[4.4]nonan ...