Issue 1, 2015

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

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

Article information

Article type
Minireview
Submitted
18 Jul 2014
Accepted
06 Aug 2014
First published
06 Aug 2014
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY license

Chem. Sci., 2015,6, 77-94

Author version available

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

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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