An ultrafast pre-organization of the [2 + 2] photocycloaddition of styryl dyes in 1:2 host-guest complexes with cucurbit[8]urils
N Kh Petrov
1, 2
,
Yu A Shandarov
2
,
I V Kryukov
2
,
A D Svirida
3
,
V G Avakyan
2
,
M.V. Alfimov
1, 2
,
N.A. Lobova
2
,
Marina V. Fomina
1, 2
2
Publication type: Journal Article
Publication date: 2017-04-01
scimago Q2
wos Q2
SJR: 0.546
CiteScore: 5.9
Impact factor: 3.1
ISSN: 00092614, 18734448
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
Abstract The photocycloaddition of styryl dyes 1, mediated by 1:2 hostguest complexes with cucurbit[8]urils (CB[8]), was studied by fluorescence upconversion techniques. The lifetime of 14.5 ps for photoexcited 1 in aqueous solution and 3.8 ps for that inside the complexes were gained from the fluorescence decay, the rate constant of quenching being obtained within the diffusion control limit. Calculations confirmed that unexcited pairs of 1 inside CB[8] does not fit the topochemical principles. So a translational movement is required to produce a reaction-ready structure that is in agreement with the timeresolved fluorescence anisotropy measured in the range of 5 ps.
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Petrov N. Kh. et al. An ultrafast pre-organization of the [2 + 2] photocycloaddition of styryl dyes in 1:2 host-guest complexes with cucurbit[8]urils // Chemical Physics Letters. 2017. Vol. 673. pp. 99-102.
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Petrov N. Kh., Ivanov D. A., Shandarov Yu. A., Kryukov I. V., Svirida A. D., Avakyan V. G., Alfimov M., Lobova N., Fomina M. V. An ultrafast pre-organization of the [2 + 2] photocycloaddition of styryl dyes in 1:2 host-guest complexes with cucurbit[8]urils // Chemical Physics Letters. 2017. Vol. 673. pp. 99-102.
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TY - JOUR
DO - 10.1016/j.cplett.2017.02.005
UR - https://linkinghub.elsevier.com/retrieve/pii/S0009261417301100
TI - An ultrafast pre-organization of the [2 + 2] photocycloaddition of styryl dyes in 1:2 host-guest complexes with cucurbit[8]urils
T2 - Chemical Physics Letters
AU - Petrov, N Kh
AU - Ivanov, Dimitri A.
AU - Shandarov, Yu A
AU - Kryukov, I V
AU - Svirida, A D
AU - Avakyan, V G
AU - Alfimov, M.V.
AU - Lobova, N.A.
AU - Fomina, Marina V.
PY - 2017
DA - 2017/04/01
PB - Elsevier
SP - 99-102
VL - 673
SN - 0009-2614
SN - 1873-4448
ER -
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@article{2017_Petrov,
author = {N Kh Petrov and Dimitri A. Ivanov and Yu A Shandarov and I V Kryukov and A D Svirida and V G Avakyan and M.V. Alfimov and N.A. Lobova and Marina V. Fomina},
title = {An ultrafast pre-organization of the [2 + 2] photocycloaddition of styryl dyes in 1:2 host-guest complexes with cucurbit[8]urils},
journal = {Chemical Physics Letters},
year = {2017},
volume = {673},
publisher = {Elsevier},
month = {apr},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0009261417301100},
pages = {99--102},
doi = {10.1016/j.cplett.2017.02.005}
}
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