Ara mostrant els elements 21-30 de 138
Ubasart Clarà, Ernest (Data de defensa: 2022-10-28)
The development of supramolecular assemblies with big cavities is important to recognize specific guests or infer a chemo- or regioselective chemistry, in analogy to natural enzymes. The objective of ...
Corona Prieto, Teresa (Data de defensa: 2017-02-17)
The transformation of C-H bonds into C-O/N bonds is a process of interest in organic synthesis, but controlling the reactivity and selectivity among the multiple C-H bonds existing in most molecules is ...
Dantignana, Valeria (Data de defensa: 2020-12-03)
Selective oxidation of C-H bonds is an important reaction, as it can disclose novel synthetic strategies to get functionalized products through efficient paths. Nonetheless, due to the inert character ...
Parera Briansó, Magda (Data 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 ...
Rodríguez Serrat, Mònica (Data de defensa: 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 ...
Cabarrocas Duran, Gemma (Data de defensa: 1999-12-17)
El treball experimental que ha permès redactar la present Tesi Doctoral ha estat dividit en dues parts. A la primera part es presenten els resultats referents a la síntesi estereocontrolada de noves ...
Ben Amar, Marwa (Data de defensa: 2021-10-22)
Wastewater discharged from industrial and agricultural activities contains relatively large amounts of toxic metal ions, especially including Cd(II), Cu(II), Pb (II), and Cr(VI). The removal of these ...
Mola i Marín, Joaquim (Data de defensa: 2008-06-27)
La Tesi descriu de manera completa una sèrie de complexos de ruteni amb lligands polipiridílics i lligands auxiliars de tipus fosfina, dmso, nitril o aquo. Es descriuen estudis d'isomerització (cis/trans ...
Poater i Teixidor, Jordi (Data de defensa: 2003-04-28)
La present tesi doctoral s'emmarca dins el camp de la química teòrica i<br/>computacional. El primer objectiu, que va ser el de partida, consistia a veure si els índexos<br/>bielectrònics derivats de ...
Serrano Núñez, Isabel (Data de defensa: 2009-01-23)
La Tesis describe una serie de complejos de Rutenio conteniendo ligandos quirales y su aplicación en catálisis asimétrica. <br/><br/>Por un lado se describe el complejo [RuCl(bpea)((S)-BINAP)](BF4), ...