Zobrazeno 1 - 10 of 29 pro vyhledávání: '"I. V. Shpan'ko"'
1
Non-additive Effects of Structural Factors in Pyridine Catalyzed Reactions of Phenyloxirane with N-aroylbenzenesulfonamides
Autor: I. V. Sadovaya, I. V. Shpan’ko
Publikováno v: Croatica chemica acta. 93:67-71
The combined influence of structural factors (Y, Z substituents) on the rate of catalyzed by Z-substituted pyridines reactions of phenyloxirane with Y-substituted N-aroylbenzenesulfonamides in acetonitrile at 293 K was studied. A cross-correlation an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::776ccf902f0ad6024c4b946f81fdd206
https://doi.org/10.5562/cca3658
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2
Isoenthalpy Catalytic Effects of Pyridines in Reactions of Phenyloxyrane with N-Aroylbenzenesulfonamides
Autor: I. V. Sadovaya, I. V. Shpan’ko
Publikováno v: Russian Journal of General Chemistry. 89:2358-2363
Additive nature of the combined effect of the structure (X, Y substituents) and temperature on the rate and free activation energy has been established for the reactions of phenyloxirane with Y-substituted N-aroylbenzenesulfonamides catalyzed by X-su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54129a3001978f8fba4901b748f057e5
https://doi.org/10.1134/s1070363219120053
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4
Enthalpy-entropy compensation effect and other aspects of isoparametricity in reactions between trans-2,3-bis(3-bromo-5-nitrophenyl)oxirane and arenesulfonic acids
Autor: I. V. Shpan’ko, I. V. Sadovaya
Publikováno v: Reaction Kinetics, Mechanisms and Catalysis. 123:473-484
It was found that as a result of the non-additivity (interaction) of joint effects of structure and temperature on the rate and free energy of activation of the reactions between trans-2,3-bis(3-bromo-5-nitrophenyl)oxirane and Y-substituted arenesulf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a11903885364ca9d4c09c30682ade01
https://doi.org/10.1007/s11144-017-1340-6
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5
Cross effects of structure and temperature in the reactions of trans-2,3-diaryloxiranes with arenesulfonic acids
Autor: I. V. Sadovaya, I. V. Shpan’ko
Publikováno v: Russian Journal of General Chemistry. 87:2552-2557
Cross effects of the reagent structure and the temperature on the rate and activation parameters of the reactions of symmetrically X-substituted trans-2,3-diaryloxiranes with Y-substituted arene-sulfonic acids have been investigated in the temperatur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2abf747d1418ee641a7b2a6e99784687
https://doi.org/10.1134/s107036321711007x
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7
Compensation effect in reactions between trans-4,4'-dinitrostilbene oxide and arylsulfonic acids
Autor: I. V. Shpan’ko, I. V. Sadovaya
Publikováno v: Russian Journal of Physical Chemistry A. 90:2332-2338
The effect structure and temperature have on the rate and free activation energy of reactions between trans-4,4'-dinitrostilbene oxide and Y-substituted arylsulfonic acids YC6H4SO3H in a mixture of dioxane with 1,2-dichloroethane (7: 3 vol/vol) at 26
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdf4574b41cbd08a4679ed32244a13aa
https://doi.org/10.1134/s0036024416120268
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8
Phenomenon of isoparametricity in reactions of trans-2,3-diaryloxiranes with arenesulfonic acids. Mechanistic interpretation
Autor: I. V. Sadovaya, I. V. Shpan’ko
Publikováno v: Russian Journal of General Chemistry. 86:2418-2422
Nonadditive effects of substituents X and Y are manifested in reactions of symmetrically X-substituted trans-2,3-diaryloxiranes with Y-substituted arenesulfonic acids. The isoparametric point is reached experimentally: close to the point τXIP = 4.73
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f785fcbc34678f883ce05563161e85d
https://doi.org/10.1134/s1070363216110037
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9
Isoparametricity phenomenon and kinetic enthalpy-entropy compensation effect: Experimental evidence obtained by investigating pyridine-catalyzed reactions of phenyloxirane with benzoic acids
Autor: I. V. Sadovaya, I. V. Shpan’ko
Publikováno v: Kinetics and Catalysis. 55:56-63
The joint effect of structure and temperature on the rate and free activation energy of reactions between phenyloxirane and substituted benzoic acids catalyzed by substituted pyridines in acetonitrile has been investigated. A correlation analysis of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8020e1ad676945ea135d836136f542d7
https://doi.org/10.1134/s002315841401011x
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10
Isoparametricity paradox in the pyridine-catalyzed reaction of phenyloxirane with 3-nitrobenzoic acid
Autor: I. V. Shpan’ko, I. V. Sadovaya
Publikováno v: Russian Journal of Physical Chemistry A. 87:1955-1959
The combined effect of structure and temperature on rate and activation energy of the X-substituted pyridine-catalyzed reaction between phenyloxirane and 3-nitrobenzoic acid in acetonitrile is studied. It is found that the intense interaction (nonadd
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81d808d289a313f0d15f4a8af1454b15
https://doi.org/10.1134/s0036024413120224
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