Complexes of ruthenium with tridentate [P,N,O] ligands

P Bhattacharyya, M L Loza, J Parr, A M Z Slawin

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51 Citations (Scopus)

Abstract

Tridentate ligands with [P,N,O] donor sets, prepared either by the condensation of 2-(diphenylphosphino)benzaldehyde with 1S,2R-norephedrine (HL1) or 2-aminophenol (HL2) or by the condensation of 2-(diphenylphosphino)aniline with salicylaldehyde (sal) (HL3), 5-(NO2)sal (HL4), 5-(Cl)sal (HL5), 5-(Br)sal (HL6), 5-(MeO)sal (HL7) or 3-(MeO)sal (HL8), reacted with [(RuCl2)-Cl-II(dmso)(4)] in refluxing thf solution to yield complexes of the general formula cis-[(RuCl)-Cl-II(eta(3)-L1-8)(dmso)(2)]. Use of two equivalents of ligand HL1 resulted in the formation of mer-[Ru-II(eta(3)-L-1)(2)], a reaction not seen for HL2-8. Aerial oxidation of cis,mer-[(RuCl)-Cl-II(eta(3)-L-3)(dmso)(2)] in a chloroform solution yielded cis,fac-[(RuCl2)-Cl-III(eta(3)-L-3)(dmso)], which has undergone an unexpected rearrangement of co-ordination geometry.

Original languageEnglish
Pages (from-to)2917-2921
Number of pages5
JournalJournal of the Chemical Society, Dalton Transactions
Issue number17
Publication statusPublished - 7 Sept 1999

Keywords

  • SCHIFF-BASE
  • COORDINATION CHEMISTRY
  • CRYSTAL-STRUCTURES
  • PHOSPHINE-LIGANDS
  • DONOR SETS
  • METAL-IONS
  • PALLADIUM(II)
  • HYDROGENATION
  • FE
  • CO

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