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Charge-tagged ligands: useful tools for immobilising complexes and detecting reaction species during catalysis

Limberger, Jones ; Leal, Bárbara C ; Monteiro, Adriano L ; Dupont, Jairton

Chemical science (Cambridge), 2015-01, Vol.6 (1), p.77-94 [Periódico revisado por pares]

England: Royal Society of Chemistry

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  • Título:
    Charge-tagged ligands: useful tools for immobilising complexes and detecting reaction species during catalysis
  • Autor: Limberger, Jones ; Leal, Bárbara C ; Monteiro, Adriano L ; Dupont, Jairton
  • Assuntos: Chemistry
  • É parte de: Chemical science (Cambridge), 2015-01, Vol.6 (1), p.77-94
  • Notas: Adriano L. Monteiro obtained his Ph.D. degree from the Université Paul Sabatier (Toulouse, France) in 1993 working with Dr Igor Tkatchenko, and was a postdoctoral fellow in 1998 at Massachusetts Institute of Technology (Cambridge, USA) working with Professor Stephen L. Buchwald. He joined the Department of Organic Chemistry of UFRGS (Porto Alegre, Brazil) in 1994 as assistant professor and is currently associate professor of Organic Chemistry. His research focuses on homogeneous catalysis with an emphasis on metal-mediated synthetic methodologies for the construction of C-C bonds.
    Jairton Dupont received his PhD at the Université Louis Pasteur of Strasbourg (France) and after a period as a post-doc at the University of Oxford (UK), he became a Professor of Chemistry at the Institute of Chemistry, UFRGS (Brazil). In 2014, he was appointed EPSRC/GSK Chair in Sustainable Chemistry at the School of Chemistry of the University of Nottingham (UK). He has been an invited Professor at various European Universities. He is a member of the Brazilian Academy of Sciences and the World Academy of Sciences; among the various distinctions he has received are the Humboldt Award, the Conrado Wessel Science Award, the TWAS Chemistry Award, the WIPO Award and the Brazilian Gran Cruz. His research interests are mainly centred on ionic liquids with special emphasis in catalysis, nanomaterials and alternative energies.
    Bárbara C. Leal received her Bachelor degree in chemistry from UFRGS. In 2012, she completed her MSc at UFRGS under the supervision of Professor Jairton Dupont, focusing on the stabilization of palladium nanoparticles by ionophilic ligands in ionic liquids. Currently, she is a Ph.D. student at the same university in Prof. Dupont's research group. Her research interests are centered on catalysis using organometallic complexes and transition metal nanoparticles in ionic liquids.
    Jones Limberger obtained his Ph.D. degree from Universidade Federal do Rio Grande do Sul (UFRGS) in 2012 under the advice of Professor Adriano L. Monteiro. He is currently a postdoctoral fellow in Laboratory of Molecular Catalysis (Porto Alegre, Brazil), under the supervision of Professor Jairton Dupont. His current research interests focus on the development of novel metal-catalyzed methodologies for the obtainment of fine chemical products.
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  • Descrição: In recent years, charge-tagged ligands (CTLs) have become valuable tools in organometallic catalysis. Insertion of an ionic side chain into the molecular skeleton of a known ligand has become a useful protocol for anchoring ligands, and consequently catalysts, in polar and ionic liquid phases. In addition, the insertion of a cationic moiety into a ligand is a powerful tool that can be used to detect reaction intermediates in organometallic catalysis through electrospray ionisation mass spectrometry (ESI-MS) experiments. The insertion of an ionic tag ensures the charge in the intermediates independently of the ESI-MS. For this reason, these ligands have been used as ionic probes in mechanistic studies for several catalytic reactions. Here, we summarise selected examples on the use of CTLs as immobilising agents in organometallic catalysis and as probes for studying mechanisms through ESI-MS. A critical overview is presented on the use of charged tagged ligands (CTLs) as immobilising agents in organometallic catalysis and as probes for studying mechanisms through electrospray ionisation mass spectrometry (ESI-MS) based on the most recent literature.
  • Editor: England: Royal Society of Chemistry
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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