A comparison of the coordination chemistry of Ph2SNH and Ph2SNCH2CH2CN: the preparation and X-ray crystal structures of [PPh4]PdBr3(Ph2SNCH2CH2CN)] and trans-[PdBr2SNCH2CH2CN)2], the first fully characterised complexes of a N-substituted sulfimide

PF Kelly, KG Parker, MA Rodiel, Alexandra Martha Zoya Slawin

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6 Citations (Scopus)

Abstract

Reaction of excess Ph2SNH (1) with [PPh4](2)[Pd2Br6] results in the formation of homoleptic [Pd(Ph2SNH)(4)]Br-2. In contrast the analogous reaction of the N-substituted sulfimide Ph2SN-CH2CH2CN (2) with [PPh4](2)[Pd2Br6] only results in the formation of trans-[PdBr2(Ph2SNCH2CH2CN)(2)] (3) even if the ligand is present in large excess. Lowering the reaction ratio to 2:1 (ligand: dimer) allows isolation of [PPh4][PdBr3(Ph2SNCH2CH2CN)] (4). Compounds 3 and 4 constitute the first examples of fully characterised complexes of N-substituted sulfimides and X-ray crystallography confirm the ligands to be bound to the metal through nitrogen; although the nitrile end groups of the substituents have the potential to bind to metals, no evidence for this is seen in these particular systems. (C) 2001 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)120-123
Number of pages4
JournalJournal of Organometallic Chemistry
Volume623
Publication statusPublished - 30 Mar 2001

Keywords

  • complexes
  • palladium
  • sulfimides
  • nitriles
  • LIGAND

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