Mostrando ítems 1-10 de 12
Pla i Quintana, Anna (Fecha de defensa: 2004-11-23)
La present tesi doctoral s'ha basat en la caracterització estructural i en l'estudi de les propietats catalítiques de nous complexos de pal·ladi(0) amb lligands olefínics contenint unitats de ferrocè. ...
Parera Briansó, Magda (Fecha de defensa: 2014-05-20)
The transition-metal catalysed [2+2+2] cycloaddition reaction is a highly efficient synthetic tool that allows six-membered polysubstituted carbo- and heterocyclic derivatives to be obtained in an atom ...
Torrent i Palomeras, Anna (Fecha de defensa: 2007-04-27)
La síntesi i caracterització estructural d'un nou tipus de macrocicles nitrogenats de 15, 20 i 25 membres, els quals contenen triples i dobles enllaços i diferents unitats aríliques a la seva estructura, ...
Brun Massó, Sandra (Fecha de defensa: 2012-04-27)
Carbon-carbon bond formation reactions catalyzed by transition metals represent one of the most versatile and efficient strategies in organic synthesis. The catalytic transformations contribute to the ...
Torres Antón, Òscar (Fecha de defensa: 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 ...
Artigas Ruf, Albert (Fecha de defensa: 2020-01-31)
Fullerenes are a group of spherical molecules with outstanding 2/1 physicochemical properties that make them important materials in a variety of fields, ranging from biomedicine to photovoltaics. ...
Garcia López, Lídia (Fecha de defensa: 2012-02-24)
The development of new chemical processes and efficient catalysts for the formation of carbon-carbon bonds is an important topic in organic chemistry. In particular, the [2+2+2] cycloaddition reaction ...
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 ...
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 ...
González Molina, Iván (Fecha de defensa: 2008-12-19)
En aquesta tesi s'han sintetitzat macrocicles nitrogenats poliinsaturats de diferents mides i s'ha estudiat la seva reactivitat. <br/>S'han preparat macrocicles de quinze i setze baules triacetilènics ...