Dyes and Pigments, volume 172, pages 107825
Pseudodimeric complexes of 4-styrylpyridine derivatives: Structure–property relationships and a stereospecific [2+2]-cross-photocycloaddition in solution
Ushakov Evgeny N
,
Alfimov Michael V
2
,
Howard Judith A. K.
,
Vedernikov Artem I.
2
,
Sazonov Sergey K
2
,
Aleksandrova Nadezhda A
2
,
Lobova Natalia A
2
,
Ushakov E.N.
1
,
Howard Judith A.
4
,
Fomina Marina V.
1, 5
1
2
Publication type: Journal Article
Publication date: 2020-01-01
Journal:
Dyes and Pigments
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 4.5
ISSN: 01437208, 18733743
General Chemical Engineering
Process Chemistry and Technology
Abstract
Abstract The study addresses the spectral and photochemical properties of N-(3-ammoniopropyl)-4-styrylpyridinium diperchlorate and its substituted analogs containing either electron-donating (OMe, SMe, NMe2) or electron-withdrawing (NO2, Cl) groups on the benzene ring. These styryl dyes in MeCN form pseudodimeric complexes with uncharged 18-crown-6-containing 4-styrylpyridine due to hydrogen bonding between the ammonium group and the crown ether oxygen atoms. The stability constants of the complexes were determined by spectrophotometric and 1H NMR titration methods. Owing to complexation, the dyes containing OMe or SMe groups and the dye with unsubstituted benzene ring undergo a stereospecific [2 + 2]-cross-photocycloaddition to the crown-containing styrylpyridine to give unsymmetrical cyclobutane derivatives as single rctt isomers. The structure of cyclobutanes was confirmed by X-ray diffraction analysis. The most probable conformations of the pseudodimeric complexes in MeCN were determined by density functional theory calculations. The cross-photocycloaddition quantum yields, measured upon selective excitation of the styryl dye, and other relevant data suggested that the barrier for this photoreaction increases with an increase in the reorganization energy of the singlet excited state of the dye.
Citations by journals
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1 publication, 16.67%
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1
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Citations by publishers
1
2
3
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Elsevier
|
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3 publications, 50%
|
American Chemical Society (ACS)
|
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2 publications, 33.33%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 16.67%
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1
2
3
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Martyanov T. P. et al. Pseudodimeric complexes of 4-styrylpyridine derivatives: Structure–property relationships and a stereospecific [2+2]-cross-photocycloaddition in solution // Dyes and Pigments. 2020. Vol. 172. p. 107825.
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Martyanov T. P., Vedernikov A. I., Ushakov E. N., Sazonov S. K., Aleksandrova N. A., Lobova N. A., Kuz'mina L. G., Howard J. A. K., Alfimov M. V., Gromov S. P., Ushakov E., Howard J. A., Fomina M. V. Pseudodimeric complexes of 4-styrylpyridine derivatives: Structure–property relationships and a stereospecific [2+2]-cross-photocycloaddition in solution // Dyes and Pigments. 2020. Vol. 172. p. 107825.
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TY - JOUR
DO - 10.1016/j.dyepig.2019.107825
UR - https://doi.org/10.1016%2Fj.dyepig.2019.107825
TI - Pseudodimeric complexes of 4-styrylpyridine derivatives: Structure–property relationships and a stereospecific [2+2]-cross-photocycloaddition in solution
T2 - Dyes and Pigments
AU - Martyanov, Timofey P
AU - Vedernikov, Artem I.
AU - Ushakov, Evgeny N
AU - Sazonov, Sergey K
AU - Aleksandrova, Nadezhda A
AU - Lobova, Natalia A
AU - Kuz'mina, Lyudmila G.
AU - Howard, Judith A. K.
AU - Alfimov, Michael V
AU - Gromov, Sergey P
AU - Ushakov, E.N.
AU - Howard, Judith A.
AU - Fomina, Marina V.
PY - 2020
DA - 2020/01/01 00:00:00
PB - Elsevier
SP - 107825
VL - 172
SN - 0143-7208
SN - 1873-3743
ER -
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@article{2020_Martyanov,
author = {Timofey P Martyanov and Artem I. Vedernikov and Evgeny N Ushakov and Sergey K Sazonov and Nadezhda A Aleksandrova and Natalia A Lobova and Lyudmila G. Kuz'mina and Judith A. K. Howard and Michael V Alfimov and Sergey P Gromov and E.N. Ushakov and Judith A. Howard and Marina V. Fomina},
title = {Pseudodimeric complexes of 4-styrylpyridine derivatives: Structure–property relationships and a stereospecific [2+2]-cross-photocycloaddition in solution},
journal = {Dyes and Pigments},
year = {2020},
volume = {172},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016%2Fj.dyepig.2019.107825},
pages = {107825},
doi = {10.1016/j.dyepig.2019.107825}
}
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