Phosphine oxides and phosphorus acids, containing several=P(O)CH2 groups in the molecule

  • T. Ya. Medved
  • Yu. M. Polikarpov
  • S. A. Pisareva
  • E. I. Matrosov
  • M. I. Kabachnik
Organic and Biological Chemistry


  1. 1.

    The synthesis of polymethylenepolyphosphine compounds was accomplished by the condensation of the esters of trivalent phosphorus acids with the oxides of tertiary bis- and tris(chloromethyl)phosphines and the esters of bis(chloromethyl)phosphinic acid.

  2. 2.

    The metalation of pentaphenyldimethylenetriphosphine trioxide gave the potassium derivatives, the anions of which have a mesomeric structure, with a distribution of the charge between the oxygen and carbon atoms of the methine groups.

  3. 3.

    Phenyldistyrylphosphine oxide and diphenylphosphinic acid are formed when the dipotassium derivative of pentaphenyldimethylenetriphosphine trioxide is reacted with benzaldehyde.



Oxide Ester Phosphorus Carbon Atom Benzaldehyde 
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Copyright information

© Consultants Bureau 1969

Authors and Affiliations

  • T. Ya. Medved
    • 1
  • Yu. M. Polikarpov
    • 1
  • S. A. Pisareva
    • 1
  • E. I. Matrosov
    • 1
  • M. I. Kabachnik
    • 1
  1. 1.Institute of Heteroorganic CompoundsAcademy of Sciences of the USSRUSSR

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