Zobrazeno 1 - 10
of 112
pro vyhledávání: '"I. S. Belostotskaya"'
Publikováno v:
Pharmaceutical Chemistry Journal. 50:306-309
The antibacterial activity of several groups of substituted mono- and diatomic phenols and their derivatives with various structural parameters was studied. An analysis of the results allowed the activity to be attributed to particular structural ele
Autor:
E. A. Komarova, I. S. Belostotskaya, O. Yu. Sergeeva, N. L. Komissarova, M. E. Mikhailova, V. B. Vol'eva, N. S. Domnina
Publikováno v:
Russian Journal of Organic Chemistry. 50:371-375
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 pol
Autor:
E. V. Koverzanova, L. N. Kurkovskaya, R. A. Usmanov, F. M. Gumerov, V. B. Vol'eva, N. L. Komissarova, I. S. Belostotskaya
Publikováno v:
Russian Journal of Organic Chemistry. 51:915-917
A new approach to the synthesis of biodiesel has been developed on the basis of alcoholysis of a triglyceride in combination with acetalization of glycerol with lower carbonyl compounds or acetals derived therefrom. A model synthesis of biodiesel not
Autor:
T.V. Pokholok, A. V. Malkova, N. L. Komissarova, V. B. Vol'eva, E. Ya. Davydov, I. S. Belostotskaya
Publikováno v:
Russian Journal of Organic Chemistry. 49:446-449
1,3-Benzodioxoles synthesized by condensation of 3,6-di-tert-butylbenzene-1,2-diol with carbonyl compounds showed antiradical activity due to their ability to undergo one-electron oxidation with formation of stable radical cations. On this basis, the
Autor:
A. V. Malkova, L. N. Kurkovskaya, I. S. Belostotskaya, G. G. Makarov, S. V. Usachev, V. B. Vol'eva, N. L. Komissarova
Publikováno v:
Russian Journal of Organic Chemistry. 48:638-641
Application of ethanol to the synthesis of 1,3-dioxolanes by the condensation of carbonyl compounds with vicinal diols results in a high yield of the reaction product and considerably reduces the duration of the process. It is assumed that the effect
Autor:
N. L. Komissarova, I. S. Belostotskaya, E. A. Komarova, O. Yu. Sergeeva, V. B. Vol'eva, N. S. Domnina
Publikováno v:
Russian Journal of Organic Chemistry. 47:480-485
Hybrid macromolecular antioxidants based on hydrophilic polymers with chemically grafted sterically hindered phenol fragments in aqueous solution exhibited considerably higher antiradical activity than that typical of compositions consisting of a pol
Autor:
I. S. Belostotskaya, N. L. Komissarova, N. C. Domnina, T. I. Prokof'eva, O. V. Rakitina, O. Yu. Sergeeva, V. B. Vol'eva
Publikováno v:
Russian Journal of Organic Chemistry. 46:1652-1657
Macromolecular esters were synthesized from carboxy-substituted derivatives of spatially hindered phenols and hydrophilic polymers: dextran, hydroxyethylated starch, poly(ethylene glycols) of various molecular weight. The hybrid macromolecular antiox
Publikováno v:
Russian Journal of Organic Chemistry. 44:803-806
Products of the reactions of 4- and 2-hydroxy-3,5-di-tert-butyl-benzaldehydes with malonic acid, diethyl malonate, and acetic anhydride in the presence of weak bases were isolated and identified. The reactions of 3,5-di-tert-butyl-4-hydroxybenzaldehy
Autor:
A. P. Pleshakova, N. L. Komissarova, T. I. Prokof'eva, I. S. Belostotskaya, V. B. Vol'eva, L. N. Kurkovskaya
Publikováno v:
Russian Journal of Organic Chemistry. 43:1488-1491
The stability of 3,5-di-tert-butylsalicylic aldehyde against oxidation is due to autoinhibiting of the chain process. However its oxidation into 3,5-di-tert-butylsalicylic acid was performed at the use of acetyl protection of the hydroxy group. In re
Autor:
N. L. Komissarova, N. S. Domnina, D. V. Aref’ev, I. S. Belostotskaya, R. S. Khrustaleva, V. B. Vol'eva, O. Yu. Sergeeva
Publikováno v:
Russian Chemical Bulletin. 56:781-790
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 a