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Russian Journal of General Chemistry

, Volume 88, Issue 3, pp 509–513 | Cite as

Preparation of Iron(II) Water-Soluble Compounds Based on Iron(0), (1-Hydroxyethylidene)diphosphonic Acid, and Organic Amines

  • V. V. Semenov
  • N. V. Zolotareva
  • B. I. Petrov
  • O. V. Novikova
  • E. N. Razov
  • A. V. Kruglov
Article

Abstract

The reaction of aqueous suspension of finely dispersed iron with one equivalent of (1-hydroxyethylidene) diphosphonic acid (H4L) results in poorly soluble iron(II) (1-hydroxyethylidene)diphosphate FeH2L·H2O. The reaction with two equivalents of the acid gives a water-soluble compound Fe(H3L)2, which undergoes disproportionation up to FeH2L·H2O and H4L. The reaction of a FeH2L·H2O aqueous suspension with an organic amine results in the dissolution of the complex. Heating the FeH2L·H2O aqueous suspension in a pressure reactor at 150°C in the presence of KF catalytic amounts causes the formation of a new crystal phase and X-ray-amorphous admixtures.

Keywords

(1-hydroxyethylidene)diphosphonic acid carbonyl iron reduced iron 2-aminoethanol 2-amino-2-(hydroxymethylpropane)-1,3-diol 

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. V. Semenov
    • 1
  • N. V. Zolotareva
    • 1
  • B. I. Petrov
    • 1
  • O. V. Novikova
    • 1
  • E. N. Razov
    • 2
    • 3
  • A. V. Kruglov
    • 4
  1. 1.Razuvaev Institute of Organometallic ChemistryRussian Academy of SciencesNizhny NovgorodRussia
  2. 2.Lobachevskii Nizhny Novgorod State UniversityNizhny NovgorodRussia
  3. 3.Mechanical Engineering Research InstituteRussian Academy of SciencesNizhny NovgorodRussia
  4. 4.Physicotechnical Scientific Research InstituteLobachevskii Nizhny Novgorod State UniversityNizhny NovgorodRussia

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