Journal of Physical Organic Chemistry, volume 31, issue 2, pages e3759

Complexation of bis-crown stilbene with alkali and alkaline-earth metal cations. Ultrafast excited state dynamics of the stilbene-viologen analogue charge transfer complex

Publication typeJournal Article
Publication date2017-08-31
Quartile SCImago
Q3
Quartile WOS
Q3
Impact factor1.8
ISSN08943230, 10991395
Organic Chemistry
Physical and Theoretical Chemistry
Abstract
J Phys Org Chem. 2017;e3759. https://doi.org/10.1002/poc.3759 Abstract The complex formation of bis(18‐crown‐6)stilbene (1) and its supramolecular donor‐acceptor complex with N,N′‐bis(ammonioethyl) 1,2‐di(4‐pyridyl)ethylene derivative (2) with alkali and alkaline‐earth metal perchlorates has been studied using absorption, steady‐state fluorescence, and femtosecond transient absorption spectroscopy. The formation of 1M and 1(M)2 complexes in acetonitrile was demonstrated. The weak long‐wavelength charge‐transfer absorption band of 1·2 completely vanishes upon complexation with metal cations because of disruption of the pseudocyclic structure. The spectroscopic and luminescence parameters, stability constants, and 2‐stage dissociation constants were calculated. The initial stage of a recoordination process was found in the excited complexes 1M and 1(M)2 (M = Li, Na). The pronounced fluorescence quenching of 1·2 is explained by very fast back electron transfer (τet = 0.397 ps). The structure of complex 1·2 was studied by X‐ray diffraction; stacked (1·2)m polymer in which the components were connected by hydrogen bonding and stacking was found in the crystal. These compounds can be considered as novel optical molecular sensors for alkali and alkaline‐earth metal cations.

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Volchkov V. V. et al. Complexation of bis-crown stilbene with alkali and alkaline-earth metal cations. Ultrafast excited state dynamics of the stilbene-viologen analogue charge transfer complex // Journal of Physical Organic Chemistry. 2017. Vol. 31. No. 2. p. e3759.
GOST all authors (up to 50) Copy
Volchkov V. V., Rusalov M. V., Gostev F., Shelaev I. V., NADTOCHENKO V. A., Vedernikov A. I., Efremova A. A., Kuz'mina L. G., Fomina M. V., Alfimov M. V., Melnikov M. Y. Complexation of bis-crown stilbene with alkali and alkaline-earth metal cations. Ultrafast excited state dynamics of the stilbene-viologen analogue charge transfer complex // Journal of Physical Organic Chemistry. 2017. Vol. 31. No. 2. p. e3759.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/poc.3759
UR - https://doi.org/10.1002%2Fpoc.3759
TI - Complexation of bis-crown stilbene with alkali and alkaline-earth metal cations. Ultrafast excited state dynamics of the stilbene-viologen analogue charge transfer complex
T2 - Journal of Physical Organic Chemistry
AU - Shelaev, Ivan V
AU - Vedernikov, Artem I.
AU - Efremova, Asya A
AU - Kuz'mina, Lyudmila G.
AU - Alfimov, Michael V
AU - Volchkov, Valery V
AU - Rusalov, Mikhail V
AU - Gostev, F.E.
AU - NADTOCHENKO, V. A.
AU - Fomina, Marina V.
AU - Melnikov, Mikhail Y.
PY - 2017
DA - 2017/08/31 00:00:00
PB - Wiley
SP - e3759
IS - 2
VL - 31
SN - 0894-3230
SN - 1099-1395
ER -
BibTex |
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@article{2017_Volchkov
author = {Ivan V Shelaev and Artem I. Vedernikov and Asya A Efremova and Lyudmila G. Kuz'mina and Michael V Alfimov and Valery V Volchkov and Mikhail V Rusalov and F.E. Gostev and V. A. NADTOCHENKO and Marina V. Fomina and Mikhail Y. Melnikov},
title = {Complexation of bis-crown stilbene with alkali and alkaline-earth metal cations. Ultrafast excited state dynamics of the stilbene-viologen analogue charge transfer complex},
journal = {Journal of Physical Organic Chemistry},
year = {2017},
volume = {31},
publisher = {Wiley},
month = {aug},
url = {https://doi.org/10.1002%2Fpoc.3759},
number = {2},
pages = {e3759},
doi = {10.1002/poc.3759}
}
MLA
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Volchkov, Valery V., et al. “Complexation of bis-crown stilbene with alkali and alkaline-earth metal cations. Ultrafast excited state dynamics of the stilbene-viologen analogue charge transfer complex.” Journal of Physical Organic Chemistry, vol. 31, no. 2, Aug. 2017, p. e3759. https://doi.org/10.1002%2Fpoc.3759.
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