Cleavage of N<inf>pz</inf>CH<inf>2</inf>-OP and unexpected formation of bis(3,5-dimethyl-1H-pyrazol-1-yl)methane (dmbpm): X-ray crystal structure of [PdCl<inf>2</inf>(dmbpm)]

Sergio Muñoz, Josefina Pons, Jordi García-Antón, Xavier Solans, Mercè Font-Bardia, Josep Ros

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3 Citations (Scopus)

Abstract

In the reaction of (3,5-dimethyl-1H-pyrazol-1-yl)methyldiphenylphosphinite (dmpmp) with [PdCl2(CH3CN)2], we have obtained hydrolysis and phosphorus oxidation products and the unexpected complex cis-[PdCl2(dmbpm)] (dmbpm=bis(3,5-dimethyl-1H-pyrazol-1-yl)methane). Modifications in the synthesis of dmpmp (high temperature, strong base, and the presence of Ph2P(O)Cl) show that dmbpm is a by-product from the synthetic route to dmpmp. The complex cis-[PdCl2(dmbpm)] is isolated and fully characterized by mass spectrometry, analytical, and spectroscopy techniques and the crystal structure is obtained by X-ray diffraction methods. © 2009 Taylor & Francis.
Original languageEnglish
Pages (from-to)3940-3950
JournalJournal of Coordination Chemistry
Volume62
Issue number24
DOIs
Publication statusPublished - 1 Dec 2009

Keywords

  • Bond cleavage
  • Palladium(II) complex
  • Poly(pyrazolyl) ligand
  • X-ray diffraction

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