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Issue 1, 2015
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Charge-tagged ligands: useful tools for immobilising complexes and detecting reaction species during catalysis

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Abstract

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.

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

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Publication details

The article was received on 18 Jul 2014, accepted on 06 Aug 2014 and first published on 06 Aug 2014


Article type: Minireview
DOI: 10.1039/C4SC02151G
Citation: Chem. Sci., 2015,6, 77-94
  • Open access: Creative Commons BY license
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    Charge-tagged ligands: useful tools for immobilising complexes and detecting reaction species during catalysis

    J. Limberger, B. C. Leal, A. L. Monteiro and J. Dupont, Chem. Sci., 2015, 6, 77
    DOI: 10.1039/C4SC02151G

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