Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Valery I. Kovalenko"'
Publikováno v:
RUDN Journal of Political Science, Vol 25, Iss 2, Pp 330-347 (2023)
The study analyzes the contribution of Alexander Kovalev to science and education, who stood at the origins of political science since its institutionalization in Russia. The contours of his general political and philosophical concept of social devel
Externí odkaz:
https://doaj.org/article/792f7edde724418dbde813445c49d21a
On the collective monograph 'Ethnonational processes in the Arctic: trends, problems, and prospects'
Publikováno v:
Арктика и Север, Vol 35, Pp 126-128 (2019)
The article represents the review of the collective monograph “Ethnonational processes in the Arctic: trends, problems, and prospects.” The monograph is an original joint work of researchers at Russian research centers specializing in the study o
Externí odkaz:
https://doaj.org/article/0832df7d46ce4e8a8e238bbdea080d72
Autor:
Alexandr E. Vandyukov, S. E. Solovieva, Victor L. Furer, Sofya R. Kleshnina, Valery I. Kovalenko, Igor S. Antipin
Publikováno v:
Journal of Molecular Modeling. 27
The vibrational spectra of the p-tetrasulfonatothiacalix[4]arene pentasodium salt (TCAS) and tert-butylthiacalix[4]arene (BuTCA) were studied. Comparison of the TCAS and BuTCA IR spectra allows us to isolate the bands of tert-butyl and sulfonate grou
Autor:
Victor L, Furer, Alexandr E, Vandyukov, Sofya R, Kleshnina, Svetlana E, Solovieva, Igor S, Antipin, Valery I, Kovalenko
Publikováno v:
Journal of molecular modeling. 27(11)
The vibrational spectra of the p-tetrasulfonatothiacalix[4]arene pentasodium salt (TCAS) and tert-butylthiacalix[4]arene (BuTCA) were studied. Comparison of the TCAS and BuTCA IR spectra allows us to isolate the bands of tert-butyl and sulfonate grou
Autor:
Victor L. Furer, Ivan Vatsouro, Elvira Shokova, Denis V. Chachkov, L.I. Potapova, Valery I. Kovalenko, Vladimir Kovalev
Publikováno v:
Journal of Molecular Modeling. 27
The IR spectra of p-(3-carboxy-1-adamantyl)thiacalix[4]arene (1-AdCOOHTC4A) have been studied. IR spectra of crystalline 1-AdCOOHTC4A obtained at room temperature or upon heating to 250 °C or its dilute solutions lack bands of free hydroxyl groups.
Autor:
Victor L, Furer, Ludmila I, Potapova, Denis V, Chachkov, Ivan M, Vatsouro, Vladimir V, Kovalev, Elvira A, Shokova, Valery I, Kovalenko
Publikováno v:
Journal of molecular modeling. 27(5)
The IR spectra of p-(3-carboxy-1-adamantyl)thiacalix[4]arene (1-AdCOOHTC4A) have been studied. IR spectra of crystalline 1-AdCOOHTC4A obtained at room temperature or upon heating to 250 °C or its dilute solutions lack bands of free hydroxyl groups.
Autor:
Alexander I. Konovalov, Igor S. Antipin, Svetlana E. Solovieva, Valery I. Kovalenko, Sergey A. Katsyuba, Elena E. Zvereva, Alla V. Chernova, A.E. Vandyukov
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 75:872-879
It is demonstrated that dissolution of aminothiacalix[4]arene in chloroform results in transformation of 1,3-alternate conformation, adopted in single-crystal and bulk polycrystalline solids, to the pinched-cone form. This conformer is stabilised by
Publikováno v:
Russian Chemical Reviews. 75:981-988
The literature data on the stability of fullerenes from C60 to C84 are generalised. The distribution of the π bonds in the isolated and characterised fullerenes is analysed. General regularities in the molecular structures of fullerenes are consider
Autor:
A. A. Nafikova, P. V. Plekhanov, Oleg G. Sinyashin, Valery I. Kovalenko, Irina P. Romanova, G. L. Rusinov, Valery N. Charushin, Vladislav V. Zverev, Dmitry G. Yakhvarov, Vladislav V. Kalinin
Publikováno v:
Russian Chemical Bulletin. 52:173-178
The reaction of [60]fullerene with 2-azidopyrimidines affords fullerenoimidazopyrimidines, whose electron affinity is higher than that of nonmodified C60.
Publikováno v:
Russian Chemical Bulletin. 51:1491-1496
A single di(azahomo)[60]fullerene isomer was prepared for the first time by the reaction between [60]fullerene and isocyanurato-substituted azide. The structure of the product was established by 1H and 13C NMR, UV, and IR spectroscopy.