Russian Journal of Organic Chemistry

, Volume 50, Issue 3, pp 371–375 | Cite as

Indicator properties of oligoethylene glycol hybrids with sterically hindered phenols

  • N. S. Domnina
  • O. Yu. Sergeeva
  • E. A. Komarova
  • M. E. Mikhailova
  • V. B. Vol’eva
  • I. S. Belostotskaya
  • N. L. Komissarova
Article
  • 61 Downloads

Abstract

Aqueous solutions of hybrid compounds (conjugates) formed by polyethylene glycols modified at the terminal hydroxy groups with sterically hindered phenol lose their phase stability at a certain temperature which depends on the molecular weight of polyethylene glycol, structure of sterically hindered phenol, conjugate concentration, and composition of the medium. This property may be used to estimate the effect of structural factors on the hydrophobic-hydrophilic balance in the conjugate-water system.

Keywords

DPPH Polyethylene Glycol Thionyl Chloride Antiradical Activity Hybrid Compound 

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • N. S. Domnina
    • 1
  • O. Yu. Sergeeva
    • 1
  • E. A. Komarova
    • 1
  • M. E. Mikhailova
    • 1
  • V. B. Vol’eva
    • 2
  • I. S. Belostotskaya
    • 2
  • N. L. Komissarova
    • 2
  1. 1.St. Petersburg State UniversitySt. PetersburgRussia
  2. 2.Emanuel’ Institute of Biochemical PhysicsMoscowRussia

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