Mostrando ítems 51-60 de 97
Rovira Coll, Mireia (Fecha de defensa: 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 ...
Cassú Ponsatí, Daniel (Fecha de defensa: 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 ...
Valls Cantenys, Carme (Fecha 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 (Fecha 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 ...
Moret Solà, Sònia (Fecha de defensa: 2006-12-15)
El control d'herbicides i altres anàlits orgànics presents en el medi ambient constitueix una pràctica habitual en els laboratoris des de l'establiment de legislacions que limiten la seva concentració. ...
Alonso Roura, Mònica (Fecha de defensa: 2012-12-14)
Hippocrates predicted many years ago that breath could tell something related with our health. On his treaties, he indicated that when the body starts moving after sleeping, and breathe with more ...
Fuertes Espinosa, Carles (Fecha de defensa: 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. ...
Vera Chamorro, Ruben (Fecha de defensa: 2019-03-15)
Water is essential for humankind not only for its direct consumption but also for its multiple applications in industry or agriculture, among others. The presence of undesirable substances or pollutants ...
Company Casadevall, Anna (Fecha de defensa: 2008-12-16)
L'activació d'oxigen que té lloc en els éssers vius constitueix una font d'inspiració pel desenvolupament d'alternatives als oxidants tradicionals, considerats altament tòxics i nocius. En aquesta treball ...
Serrano Plana, Joan (Fecha de defensa: 2016-07-26)
The oxidation of hydrocarbons is one of the most important processes in the chemical industry, and it is often related to highly toxic reagents that generate a big amount of undesired residues. In sharp ...