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Mono-sulfonated derivatives of triphenylphosphine (see abstract)

  • SUNY Buffalo

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20 Scopus citations

Abstract

Preparation of the ammonium salt of TPPMS, [NH4]TPPMS, TPPMS = PPh2(m-C6H4SO3-], greatly enhances water solubility and provides an efficient route to other metal complexes of TPPMS, M(TPPMS)2 M = Mn2+, Co2+, Fe2+ and Ni2+. For Co2+ and Fe2+ the metal has an octahedral ligand environment with five water molecules and one TPPMS coordinated through the sulfonate oxygen; the second TPPMS is not coordinated. For Ni2+ the octahedral coordination sphere is composed of water molecules and the TPPMS ligands are not coordinated. Structures are fully reported for [NH4]TPPMS·1/2H2O and [Fe(H2O)5(TPPMS)]TPPMS and partially reported for [Co(H2O)5TPPMS]TPPMS and [Ni(H2O)6]TPPMS2·H2O. All of the structures show hydrophobic regions consisting of aromatic rings and hydrophilic regions with hydrogen-bonding interactions.

Original languageEnglish
Pages (from-to)969-983
Number of pages15
JournalJournal of Coordination Chemistry
Volume55
Issue number8
DOIs
StatePublished - 2002

Keywords

  • Coordination complexes
  • Hydrophilic interaction
  • TPPMS
  • Water-soluble phosphine ligands

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