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Issue 35, 2011
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Using sterics to promote reactivity in fac-Re(CO)3 complexes of some ‘non-innocent’ NNN-pincer ligands

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Abstract

Two new redox active ligands based on di(2-(3-organopyrazolyl)-p-tolyl)amine have been prepared in order to investigate potential effects of steric bulk on the structures, electronic properties, or reactivity of tricarbonylrhenium(I) complexes. Replacing the hydrogens at the 3-pyrazolyl positions with alkyl groups causes significant distortion to the ligand framework due to potential interactions between these groups when bound to a fac-Re(CO)3 moiety. The distortions effectively increase the nucleophilic character of the central amino nitrogen and ligand-centered reactivity of the metal complexes.

Graphical abstract: Using sterics to promote reactivity in fac-Re(CO)3 complexes of some ‘non-innocent’ NNN-pincer ligands

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Publication details

The article was received on 07 Jan 2011, accepted on 26 Feb 2011 and first published on 31 Mar 2011


Article type: Paper
DOI: 10.1039/C1DT10030K
Citation: Dalton Trans., 2011,40, 8776-8787
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    Using sterics to promote reactivity in fac-Re(CO)3 complexes of some ‘non-innocent’ NNN-pincer ligands

    S. Wanniarachchi, B. J. Liddle, J. Toussaint, S. V. Lindeman, B. Bennett and J. R. Gardinier, Dalton Trans., 2011, 40, 8776
    DOI: 10.1039/C1DT10030K

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