Zobrazeno 1 - 10
of 113
pro vyhledávání: '"É. G. Rozantsev"'
Autor:
É. G. Rozantsev, O. A. Ozhogina, Zh. V. Shmyreva, N. B. Chumaevskii, Kh. S. Shikhaliev, M. D. Gol'dfein
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:684-687
4,5-Dihydro-4,4-dimethyl-2,3-dithiolo[5,4-c]quinoline-1-thiones and gossypol are effective antioxidants in the polymerization of vinyl monomers. Kinetic parameters of inhibition reactions depend on the structure of the monomer and inhibitor and the n
Publikováno v:
Journal of Structural Chemistry. 32:754-756
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 40:1349-1351
The structure of 4,4′-bis(4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl) is solved by x-ray methods. The compound forms a strong crystalline monohydrate.
Publikováno v:
Theoretical and Experimental Chemistry. 14:590-594
There have been many ESR and NMR studies of the mechanism and dynamics of the exchange and dipole coupling of the unpaired electrons in biradicals [1, 2]. However, information on the use of vibrational spectra for studying these interactions is lacki
Autor:
A. Yu. Shaulov, A.M. Wasserman, A.G. Sklyarova, A. B. Shapiro, Anatoly L. Buchachenko, É. G. Rozantsev
Publikováno v:
European Polymer Journal. 10:1077-1081
The dependence of exchange rate constants and diffusion coefficients of stable macroradicals (modified polydimethylsiloxane ( P = 15, 29, 97 ) and polyethylenoxide ( P = 25, 47, 140 ) on the length of polymer chain in various solvents is investigated
Autor:
V. L. Sadovskaya, A. B. Shapiro, I. A. Bogdanova, E. S. Brodskii, M. V. Sudnik, L. G. Nekhamkina, M. F. Romantsev, O. S. Reshetova, É. G. Rozantsev, B. V. Rozynov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 24:736-740
1. The mass spectra of nitroxide biradicals with a system ofσ- andσ —π-bonds were studied. 2. For three 2,2,6,6-tetramethylpiperidinyl-1-oxyls, connected by a system ofσ-bonds, in electron impact no interaction of the radical centers is observe
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 24:859-862
Methods were developed for the N- and C-terminal modification of peptides by iminoxyl radicals.
Publikováno v:
Pharmaceutical Chemistry Journal. 22:904-907
Autor:
A. A. Kropacheva, V. I. Suskina, É. G. Rozantsev, A. B. Shapiro, L. S. Bogach, V. M. Chumakov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 24:1959-1964
1. The paramagnetic derivatives of diethylenimino-S-triazine, pentaethyleniminocyclotriphospha-zatriene, and p-N-di-(β-chloroethyl)aminophenylacetic acid were synthesized. 2. The 4-aminomethyl- and 4-(β-aminoethyl)-2, 2, 6,6-tetramethylpiperidine-1
Autor:
Z.G. Makarova, I.P. Yakovlev, A. B. Shapiro, V. M. Zhulin, G. P. Shakhovskoi, M.I Loktev, É. G. Rozantsev
Publikováno v:
Polymer Science U.S.S.R.. 19:3128-3134
The stable iminoxyl radicals have been synthesized as the 2,2,6,6-tetramethyl-1-oxyl-4-piperidyl esters of p- (I) and o-vinylbenzoic acids (II). Radicals I and II polymerize at high pressure (20–100 kbar) with shear deformation (HP + SD) giving mai