Russian Chemical Bulletin

, Volume 48, Issue 3, pp 453–458 | Cite as

Protolytic properties and reactivity of aminomethylated calix[4]resorcarenes in reactions with esters of phosphorus acids

  • I. S. Ryzhkina
  • L. A. Kudryavtseva
  • A. R. Mustafina
  • Yu. E. Morozova
  • E. Kh. Kazakova
  • K. M. Enikeev
  • A. I. Konovalov
Physical Chemistry

Abstract

The acid-base properties and the kinetics of reactions of aminomethylated calix[4]resorcarenes (AMC) withp-nitrophenyl esters of phosphorus acids in aqueous solutions of propan-2-ol (80 vol.% PriOH) were studied by potentiometry, UV spectrophotometry, and31P NMR spectroscopy. The effect of the length of the hydrocarbon radical and substituents at the nitrogen atom on the protolytic properties and reactivity of AMC was studied. The reactions studied occur in two stages. At the first stage, phosphorylated AMC are formed, which are hydrolyzed to the corresponding acids at the second stage.

Key words

kinetics protolytic properties aminomethylated calix[4]resorcarenes esters of phosphorus acids 

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Copyright information

© Kluwer Academic/Plenum Publishers 1999

Authors and Affiliations

  • I. S. Ryzhkina
    • 1
  • L. A. Kudryavtseva
    • 1
  • A. R. Mustafina
    • 1
  • Yu. E. Morozova
    • 1
  • E. Kh. Kazakova
    • 1
  • K. M. Enikeev
    • 1
  • A. I. Konovalov
    • 1
  1. 1.A. E. Arbuzov Institute of Organic and Physical ChemistryKazan' Research Center of the Russian Academy of SciencesKazan'Russian Federation

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