Year 2007, Month 4 (Section Full Articles, Page 781)
Hybrid macromolecular antioxidants based on hydrophilic polymers and sterically hindered phenols
D. V. Aref´ev, I. S. Belostotskaya, V. B. Vol´eva, N. S. Domnina, N. L. Komissarova, O. Yu. Sergeeva, and R. S. Khrustaleva
A novel class of biologically active substances was created. These are hybrid macromolecular antioxidants (HMAO) based on hydrophilic polymers with chemically grafted sterically hindered phenols with different structural parameters. The antiradical activities of HMAO were assessed in reactions with 2,2-diphenyl-1-picrylhydrazyl and the corresponding sodium sulfonate in various solvents. The mechanism that explains the substantially enhanced activities of HMAO in water was proposed. The state of HMAO in solutions was studied by viscosimetry and photon correlation spectroscopy. HMAO were assayed in biological models.
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