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Title: Cyclometallated platinum compounds with optically active ligands
Other Titles: Compostos cicloplatinats amb lligands òpticament actius
Author: Alejandre Parra, Raúl
Director/Tutor: Crespo Vicente, Margarita Ma.
Keywords: Compostos ciclometal·lats
Espectroscòpia de ressonància magnètica nuclear
Treballs de fi de grau
Cyclometallated compounds
Nuclear magnetic resonance spectroscopy
Bachelor's thesis
Issue Date: Sep-2020
Abstract: In this work, the synthesis of several platinum (II) cyclometallated compounds with bidentate ligands type [C,N] has been reported. In order to carry out this synthesis, compound K2[PtCl4] has been used to prepare the metal agent (1a) used in all cyclometallation reactions. One amine (2a) and three different imines (2b-2c), previously synthesized from amine 2a and the corresponding aldehyde, have been used as ligands. These ligands have been reacted with compound 1a in toluene or in methanol to inquire which of these solvents is more optimal for the cyclometallation, thus obtaining cyclometallated compounds (3a-3d). The expected isomer for this synthesis is the endo configuration but depending on the solvent and the imine used different isomers such as exo configuration or even cyclometallated compounds with metallacycles containing more than five members might be obtained. The latter were subsequently reacted with triphenylphosphane to form the corresponding derivatives (4a-4d) where the number of isomers has been reduced due to the stability given to the compound by triphenylphosphane. The nature of the synthesised compounds has been studied by proton nuclear magnetic resonance spectroscopy and for some compounds also by mass spectrometry
Note: Treballs Finals de Grau de Química, Facultat de Química, Universitat de Barcelona, Any: 2020, Tutora: Margarita Crespo Vicente
Appears in Collections:Treballs Finals de Grau (TFG) - Química

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