Disproportionation of a halogen-bridged complex containing platinum and palladium
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 13,p. 1311-1315
- https://doi.org/10.1039/dt9750001311
Abstract
31 P N.m.r. spectroscopy shows that complexes of the type [PdPtCl4LaLb][Laand Lb are either the same or different tertiary-phosphide ligands (PPr3 or Pbu3)] are formed in chloroform solution when equimolar amounts of [Pd2Cl4(La)2] and [Pt2Cl4(Lb)2] are mixed at room temperature. All three complexes are in dynamic equilibrium, and a kinetic study indicates that the exchange occurs via a tetrameric intermediate involving four metal centres. Attempts to isolate the mixed metal complexes have proved unsuccessful. The first measurement of platinum–platinum coupling constants is reported for the complexes [Pt2Cl4(PBu3)2] and [Pt2I4(Pbu3)2].Keywords
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