Issue 13, 2012

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

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

Supplementary files

Article information

Article type
Paper
Submitted
19 Oct 2011
Accepted
05 Jan 2012
First published
13 Feb 2012

Dalton Trans., 2012,41, 3648-3658

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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