Zobrazeno 1 - 10
of 75
pro vyhledávání: '"A I Shatenshtein"'
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 16:1729-1737
The anion polymerization process is affected by the solvent and the counterion. A study has been made of the quantitative aspects of this effect using as a model reaction the formation of aromatic anion radicals in various ethers. The solvating capac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74b606adeb7057d30ed78280f437e299
https://doi.org/10.1002/polc.5070160348
https://doi.org/10.1002/polc.5070160348
Autor:
E. N. Tsvetkov, T. M. Shcherbina, N. G. Osipenko, M. I. Kabachnik, Yu. I. Ranneva, A. I. Shatenshtein, E. S. Petrov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 26:1448-1452
1. In order to explain the effect structure of the solvating properties of phosphine oxides, a series of phosphine oxides containing ether, amine, and aminoether groups was synthesized. 2. A series of methyldi(methoxymethyl)phosphine oxide analogs co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6342836f302bbaaa03e2db358728b8c2
https://doi.org/10.1007/bf00928526
https://doi.org/10.1007/bf00928526
Publikováno v:
Chemistry of Heterocyclic Compounds. 15:904-908
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb5b0248bebb2e512f2b962993e651a1
https://doi.org/10.1007/bf00509802
https://doi.org/10.1007/bf00509802
Autor:
S. P. Mesyats, M. I. Kabachnik, E. N. Tsvetkov, R. A. Malevannaya, M. I. Terekhova, A. I. Shatenshtein, E. S. Petrov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:1743-1746
1. The transmetallation method has been used to measure equilibrium acidities of P(O)H-and P(S)H-acids of various structures in dimethylsulfoxide solution and relative to 9-phenyl-fluorene. 2. The effect of the substituent at the P atom on the pK val
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db50fa37485c7dc8b23e5e0cfe08eef5
https://doi.org/10.1007/bf00929215
https://doi.org/10.1007/bf00929215
Publikováno v:
Theoretical and Experimental Chemistry. 22:425-430
Bronsted relations with anomalous (less than zero) values for the α coefficient were obtained for the ionization reactions of monoalkylpyridines, monoalkylbiphenyls, and monoalkylbenzenes in solutions of the lithium (or potassium) tertbutoxide and d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4923512aa6d88d5f28c03adc5aa2d13a
https://doi.org/10.1007/bf00523820
https://doi.org/10.1007/bf00523820
Autor:
A. N. Vasil'ev, N. I. Golovanova, E. S. Petrov, S. E. Korostova, M. I. Terekhova, Al'bina I. Mikhaleva, Boris A. Trofimov, A. I. Shatenshtein
Publikováno v:
Chemistry of Heterocyclic Compounds. 16:488-495
The pK values of a series of substituted pyrroles and the ΔvNH values (in dimethylformamide), which characterize their relative acidities were measured by the transmetallation method. It was established that the acidities of pyrroles are determined
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcb87ebc6bef9b7fb8e754905a5bec26
https://doi.org/10.1007/bf00561346
https://doi.org/10.1007/bf00561346
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 30:993-997
1. The equilibrium NH acidities of benzenesulfonamide and its derivatives have been studied by the transmetallation method in DMSO. 2. Linear relationships connecting the pK values of benzenesulfonamides C6H5SO2NHR with the σ* constants of alkyl gro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a4fb6ba7f5c9d28a1a0011659422156
https://doi.org/10.1007/bf00950279
https://doi.org/10.1007/bf00950279
Autor:
T. V. Sakhno, A. I. Shatenshtein, E. S. Petrov, G. A. Val'kova, N. N. Voinovskaya, L. F. Rybakova, M. I. Terekhova
Publikováno v:
Chemistry of Heterocyclic Compounds. 18:957-960
The equilibrium NH acidities of acridan, phenanthridone, 9-acridone, and 2-substituted 9-acridones (substituents: Me2N, MeO, F, Br, I, and NO2) were measured by transmetallation in dimethyl sulfoxide (DMSO). The role of conjugation and the aromatic c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::905a002cfadb34bc47aa703116985ffc
https://doi.org/10.1007/bf00513441
https://doi.org/10.1007/bf00513441
Autor:
S. P. Mesyats, S. Petrov, E. N. Tsvetkov, M. I. Terekhova, M. I. Kabachnik, A. I. Shatenshtein
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 23:2399-2405
Among organophosphorus earbanions , the bas ic i ty only of phosphonium-conta ining ca rban ions (phosphinomethylenes) has been quant i ta t ively studied [1]. E a r l i e r we were the f i r s t to ci te data on the CHacidi ty (pK)* of ce r ta in ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b90f4cc9edcd8a2824b192a10ba00254
https://doi.org/10.1007/bf00922118
https://doi.org/10.1007/bf00922118
Autor:
T. M. Shcherbina, E. S. Petrov, N. N. Shelganova, A. I. Shatenshtein, S. P. Mesyats, M. I. Kabachnik, E. N. Tsvetkov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 23:2406-2412
1. The equilibrium CH-acidity (pK) of benzylphosphine oxides, as well as esters and tetraalkyl-amides of benzylphosphonic acid in diglyme (DG) and DMSO was determined by the method of transmetallation. 2. The acidity in DMSO is 4–6 units of pK lowe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a33465844c8a4e831099cc47e64dac82
https://doi.org/10.1007/bf00922119
https://doi.org/10.1007/bf00922119