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Issue 1, 2011
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Multifunctional ligands in transition metal catalysis

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Abstract

Sophisticated ligands are now being designed that do far more than just fulfil their traditional spectator roles by binding to the metal and providing a sterically-defined binding pocket for the substrate in homogeneous transition metal catalysis. This Focus review emphasizes selected cases in which ligands carry additional functional groups that change the properties of the ligand as a result of an external stimulus or undergo catalytically-relevant ligand-based reactivity. These include proton responsive ligands capable of gaining or losing one or more protons, ligands having a hydrogen bonding function, electroresponsive ligands capable of gaining or losing one or more electrons, and photoresponsive ligands capable of undergoing a useful change of properties upon irradiation. Molecular recognition ligands and proton coupled electron transfer (PCET) are briefly discussed.

Graphical abstract: Multifunctional ligands in transition metal catalysis

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Publication details

The article was received on 11 Oct 2010, accepted on 01 Nov 2010 and first published on 24 Nov 2010


Article type: Focus
DOI: 10.1039/C0NJ00776E
Citation: New J. Chem., 2011,35, 18-23
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    Multifunctional ligands in transition metal catalysis

    R. H. Crabtree, New J. Chem., 2011, 35, 18
    DOI: 10.1039/C0NJ00776E

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