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Issue 13, 2012
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Unexpected isomerism in “[Pd(2,9-dimethylphenanthroline)X2]” (X = Cl, Br, I) complexes: a neutral and an ionic form exist

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Abstract

Complexes of composition “[Pd(2,9-dimethylphenanthroline)X2]” (X = Cl, Br, I) have long been known and they are used as precursors for the synthesis of other derivatives or as catalysts. In the previous literature, they have invariably been described as neutral square planar complexes, but we have found that a second ionic isomer also exists, having composition [Pd(Neoc)2X]2[Pd2X6], and that the formation of this isomer occurs under a wider range of conditions than that of the neutral one. Retrospectively, the ionic isomer had surely been obtained in most previous reports even if formation of the neutral one was claimed.

Graphical abstract: Unexpected isomerism in “[Pd(2,9-dimethylphenanthroline)X2]” (X = Cl, Br, I) complexes: a neutral and an ionic form exist

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Publication details

The article was received on 19 Oct 2011, accepted on 05 Jan 2012 and first published on 13 Feb 2012


Article type: Paper
DOI: 10.1039/C2DT11979J
Citation: Dalton Trans., 2012,41, 3648-3658

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    Unexpected isomerism in “[Pd(2,9-dimethylphenanthroline)X2]” (X = Cl, Br, I) complexes: a neutral and an ionic form exist

    M. Rimoldi, F. Ragaini, E. Gallo, F. Ferretti, P. Macchi and N. Casati, Dalton Trans., 2012, 41, 3648
    DOI: 10.1039/C2DT11979J

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