Pleiades Publishing
High Energy Chemistry
,  том 54 ,  издание 6 ,  страницы 403-413

Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations

Тип публикации: Journal Article
Дата публикации: 2020-11-20
Pleiades Publishing
scimago Q4
wos Q4
БС3
SJR: 0.178
CiteScore: 0.9
Impact factor: 0.6
ISSN: 00181439, 16083148
Physical and Theoretical Chemistry
Краткое описание
The complexation of styryl dyes 4-[(E)-2-(3,4-dimethoxyphenyl)]-1-ethylpyridinium perchlorate and trans-4-[4-(dimethylamino)styryl]-1-methylpyridinium iodide with cucurbit[n]urils (CBn) (n = 6, 7) in aqueous solutions in the presence of sodium sulfate with a concentration of 0 to 1 mol/L has been studied by stationary and time-resolved optical spectroscopy, electrochemical, and quantum chemical methods. Adding the electrolyte to the solution decomposes 1 : 1 inclusion complexes with the dyes (D+ · CBn) due to competitive formation of complexes of the cavitand with sodium cations: Na+ · CBn and Na+ · CBn · Na+. Their total formation constants have been determined to be β = 2760 and 168 600 M−2 for CB7 and CB6, respectively, which agrees with the results of quantum chemical calculations. At the same time, no evidence of the presence of Na+ · CBn · D+ type complexes has been found in solutions.
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Journal of Molecular Liquids
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Kryukov I. V. et al. Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations // High Energy Chemistry. 2020. Vol. 54. No. 6. pp. 403-413.
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Kryukov I. V., Svirida A. D., Shandarov Yu. A., Ivanov D. A., Avakyan V. G., Petrov N. Kh., Aleksandrova N. A., Gromov S. P., Stenina E., Sviridova L. Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations // High Energy Chemistry. 2020. Vol. 54. No. 6. pp. 403-413.
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TY - JOUR
DO - 10.1134/S0018143920060107
UR - http://link.springer.com/10.1134/S0018143920060107
TI - Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations
T2 - High Energy Chemistry
AU - Kryukov, I V
AU - Svirida, A D
AU - Shandarov, Yu A
AU - Ivanov, D. A.
AU - Avakyan, V G
AU - Petrov, N Kh
AU - Aleksandrova, N A
AU - Gromov, S P
AU - Stenina, E.V.
AU - Sviridova, L.N.
PY - 2020
DA - 2020/11/20
PB - Pleiades Publishing
SP - 403-413
IS - 6
VL - 54
SN - 0018-1439
SN - 1608-3148
ER -
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@article{2020_Kryukov,
author = {I V Kryukov and A D Svirida and Yu A Shandarov and D. A. Ivanov and V G Avakyan and N Kh Petrov and N A Aleksandrova and S P Gromov and E.V. Stenina and L.N. Sviridova},
title = {Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations},
journal = {High Energy Chemistry},
year = {2020},
volume = {54},
publisher = {Pleiades Publishing},
month = {nov},
url = {http://link.springer.com/10.1134/S0018143920060107},
number = {6},
pages = {403--413},
doi = {10.1134/S0018143920060107}
}
MLA
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Kryukov, I. V., et al. “Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations.” High Energy Chemistry, vol. 54, no. 6, Nov. 2020, pp. 403-413. http://link.springer.com/10.1134/S0018143920060107.