Russian Chemical Bulletin

, Volume 55, Issue 5, pp 806–820 | Cite as

Transformations of high spin MnII and FeII polymeric pivalates in reactions with pivalic acid and o-phenylenediamines

  • M. A. Kiskin
  • G. G. Aleksandrov
  • Zh. V. Dobrokhotova
  • V. M. Novotortsev
  • Yu. G. Shvedenkov
  • I. L. Eremenko
Article
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Abstract

The thermolysis and reactions of the polymeric high spin MnII and FeII complexes [Mn(µ-OOCBut)2(HOEt)]n (1) and [Fe(µ-OOCBut)2]n (3) with pivalic acid and o-phenylenediamines 1,2-(NH2)2C6H2R2 (R = H or Me) were studied. The synthesis of compound 1 performed with a deficiency of pivalate anions affords the antiferromagnetic chloropivalate polymer { (MeCN)(HOOCBut)(H2O)Mn5Cl(OH)(OOCBut)8·MeCN}n. The reaction of 1 with an excess of pivalic acid produces the antiferromagnetic polymer [Mn4(OOCBut)8(HOOCBut)2]n. The analogous reaction of pivalic acid with polymer 3 gives the mononuclear complex Fe(η 1-OOCBut)2(η1-HOOCBut)4 containing the high spin iron(II) atom as the major product. Study of the reactions of 3 with a deficiency (<1: 1) and an excess (>1: 1) of diamines demonstrated that the polymer {[(η2-(NH2)2C6H4)2Fe(µ-OOCBut)2][Fe2(µ-OOCBut)4] · · 2MeCN}n is generated as the major product in the former case, whereas the mononuclear complexes Fe(η1-OOCBut)2[η1-(NH2)2C6H4]4 and Fe(η1-OOCBut)2[η2-(NH2)2C6H2Me2][η1-(NH2)2C6H2Me2]2 are predominantly obtained in the latter case.

Key words

iron(II) complexes polynuclear manganese(II) complexes carboxylate ligands synthesis X-ray diffraction study magnetic properties thermal decomposition 
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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • M. A. Kiskin
    • 1
  • G. G. Aleksandrov
    • 1
  • Zh. V. Dobrokhotova
    • 1
  • V. M. Novotortsev
    • 1
  • Yu. G. Shvedenkov
    • 2
  • I. L. Eremenko
    • 1
  1. 1.N. S. Kurnakov Institute of General and Inorganic ChemistryRussian Academy of SciencesMoscowRussian Federation
  2. 2.A. V. Nikolaev Institute of Inorganic Chemistry, Siberian BranchRussian Academy of SciencesNovosibirskRussian Federation

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