Synthesis and characterisation of pyrazolic palladium compounds containing alcohol functionality: Rotation around the Pd-N bond

Anna Boixassa, Josefina Pons, Xavier Solans, Mercè Font-Bardia, Josep Ros

Research output: Contribution to journalArticleResearchpeer-review

29 Citations (Scopus)

Abstract

The ligands 1-hydroxymethylpyrazole (hl1), 1-(2-hydroxyethyl) pyrazole (hl2) and 1-(3-hydroxypropyl)pyrazole (hl3) react with [PdCl2(CH3CN)2] to give trans-[PdCl2(hl)2] compounds. Due to a hindered rotation around the Pd-bond, these compounds present two different conformations in solution: anti and syn. The conformation presented depends on the relative disposition of the hydroxyalkylic chains of the two pyrazolic ligands. The present study was carried out on the basis of NMR experiments. The present paper reports the crystal structure of trans-[PdCl2(hl 2)2]. The synthesis and characterisation of compounds [Pd(hl)4](BF4)2 (hl = hl1, hl 2 and hl3) starting from [Pd(CH3CN) 4](BF4)2 and the corresponding chlorocomplexes trans-[PdCl2(hl)2] are also described. © 2003 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)733-738
JournalInorg. Chim. Acta
Volume357
Issue number3
DOIs
Publication statusPublished - 20 Feb 2004

Keywords

  • Alcohol ligand complexes
  • Crystal structure
  • Palladium complexes
  • Pyrazole complexes

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