Reactivity of [PdCl(μ-med)]<inf>2</inf> with monodentate or bidentate ligands. Structure of the dinuclear complexes [Pd(μ-med)(PPh <inf>3</inf>)]<inf>2</inf>(BF<inf>4</inf>)<inf>2</inf> and [Pd(μ-med)(bpy)] <inf>2</inf>(BF<inf>4</inf>)<inf>2</inf>. [Hmed=N-(2-mercaptoethyl)-3,5- dimethylpyrazole]

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Abstract

Treatment of the ligand N-(2-mercaptoethyl)-3,5-dimethylpyrazole with [Pd(CH3COO)2]3 and reaction of [PdCl(μ-med)]2 with pyridine (py) or triphenylphosphine (PPh 3) in the presence of AgBF4 produced the following complexes: [Pd(CH3COO)(μ-med)]2, [Pd(μ-med)(py)] 2(BF4)2 and [Pd(μ-med)(PPh 3)]2(BF4)2. Similar reactions carried out with 2,2′-bipyridine (bpy) or 1,3-bis(diphenylphosphino) propane (dppp) produced [Pd(μ-med)(bpy)]x(BF4) x (x=1 or 2) and [Pd(μ-med)(dppp)]x(BF 4)x (x=1 or 2). Treatment of [Pd(μ-med)(bpy)] x(BF4)x with [PdCl2(CH 3CN)2] produced [Pd3Cl2(μ-med) 2(bpy)2](BF4)2. Treatment of [Pd(μ-med)(dppp)]x(BF4)x with [PdCl 2(CH3CN)2] produced a mixture of [Pd(μ-Cl)(dppp)]2(BF4)2 and [Pd(μ-med)2(dppp)]2+. X-ray crystal structures of [Pd(μ-med)(PPh3)]2(BF4) 2·2CH3CN and [Pd(μ-med)(bpy)]2(BF 4)2·0.5CH3OH are presented. © 2003 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)571-580
JournalInorganica Chimica Acta
Volume357
Issue number2
DOIs
Publication statusPublished - 30 Jan 2004

Keywords

  • N ligand
  • Palladium
  • S ligand

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