Issue 28, 2016

The unexpected case of reactions of halogens and interhalogens with halide substituted Pd(ii) σ-butadienyl complexes

Abstract

We have experimentally studied and theoretically interpreted the addition under stoichiometric conditions of halogens or interhalogens to σ-butadienyl palladium complexes bearing the heteroditopic thioquinolines as spectator ligands. The observed reactions do not involve the expected extrusion of the butadienyl fragment but rather the unpredictable substitution of the halide coordinated to palladium and in some cases also of that bound to the terminal butadienyl carbon. We have explained this peculiar reactivity with a mechanistic hypothesis based on a sequence of selective processes of oxidative addition and reductive elimination involving Pd(IV) intermediates.

Graphical abstract: The unexpected case of reactions of halogens and interhalogens with halide substituted Pd(ii) σ-butadienyl complexes

Supplementary files

Article information

Article type
Paper
Submitted
17 May 2016
Accepted
21 Jun 2016
First published
30 Jun 2016

Dalton Trans., 2016,45, 11560-11567

The unexpected case of reactions of halogens and interhalogens with halide substituted Pd(II) σ-butadienyl complexes

T. Scattolin, F. Visentin, C. Santo, V. Bertolasi and L. Canovese, Dalton Trans., 2016, 45, 11560 DOI: 10.1039/C6DT01964A

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