Crown-containing spironaphthoxazines and spiropyrans. 2. Influence of metal cations on the photochromic properties of spironaphthoxazines linked with aza-15(18)-crown-5(6) ethers
Yu.P. Strokach
1
,
O.A. Fedorova
1
,
S P Gromov
1
,
A V Koshkin
1
,
T M Valova
1
,
V.A. Barachevsky
1
,
M.V. Alfimov
1
,
V A Lokshin
2
,
R. Guglielmetti
2
2
Department of Natural Sciences, Mediterranian University, Marseille, France
|
Publication type: Journal Article
Publication date: 2002-12-28
scimago Q3
SJR: 0.305
CiteScore: 2.8
Impact factor: —
ISSN: 10665285, 15739171
General Chemistry
Abstract
Spironaphthoxazines linked with aza-15(18)-crown-5(6) fragments were synthesized and studied for the first time. Addition of alkaline-earth cations to solutions of crown-containing spironaphthoxazines causes a hypsochromic shift of the absorption band of the spiro form and a bathochromic shift of the absorption band of the merocyanine form, shifts the equilibrium to the merocyanine form, and changes the lifetime of the photoexcited merocyanine form. The spectral and kinetic data were used to propose a mechanism of complexation and calculate the stability constants of the resulting complexes. The complexation involves the crown fragment and the merocyanine oxygen atom. The type of the complex is determined by the cation nature and size.
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Strokach Y. et al. Crown-containing spironaphthoxazines and spiropyrans. 2. Influence of metal cations on the photochromic properties of spironaphthoxazines linked with aza-15(18)-crown-5(6) ethers // Russian Chemical Bulletin. 2002. Vol. 51. No. 1. pp. 58-66.
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Strokach Y., Fedorova O., Gromov S. P., Koshkin A. V., Valova T. M., Barachevsky V., Alfimov M., Lokshin V. A., Guglielmetti R. Crown-containing spironaphthoxazines and spiropyrans. 2. Influence of metal cations on the photochromic properties of spironaphthoxazines linked with aza-15(18)-crown-5(6) ethers // Russian Chemical Bulletin. 2002. Vol. 51. No. 1. pp. 58-66.
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TY - JOUR
DO - 10.1023/A:1015001527963
UR - http://link.springer.com/10.1023/A:1015001527963
TI - Crown-containing spironaphthoxazines and spiropyrans. 2. Influence of metal cations on the photochromic properties of spironaphthoxazines linked with aza-15(18)-crown-5(6) ethers
T2 - Russian Chemical Bulletin
AU - Strokach, Yu.P.
AU - Fedorova, O.A.
AU - Gromov, S P
AU - Koshkin, A V
AU - Valova, T M
AU - Barachevsky, V.A.
AU - Alfimov, M.V.
AU - Lokshin, V A
AU - Guglielmetti, R.
PY - 2002
DA - 2002/12/28
PB - Springer Nature
SP - 58-66
IS - 1
VL - 51
SN - 1066-5285
SN - 1573-9171
ER -
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BibTex (up to 50 authors)
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@article{2002_Strokach,
author = {Yu.P. Strokach and O.A. Fedorova and S P Gromov and A V Koshkin and T M Valova and V.A. Barachevsky and M.V. Alfimov and V A Lokshin and R. Guglielmetti},
title = {Crown-containing spironaphthoxazines and spiropyrans. 2. Influence of metal cations on the photochromic properties of spironaphthoxazines linked with aza-15(18)-crown-5(6) ethers},
journal = {Russian Chemical Bulletin},
year = {2002},
volume = {51},
publisher = {Springer Nature},
month = {dec},
url = {http://link.springer.com/10.1023/A:1015001527963},
number = {1},
pages = {58--66},
doi = {10.1023/A:1015001527963}
}
Cite this
MLA
Copy
Strokach, Yu.P., et al. “Crown-containing spironaphthoxazines and spiropyrans. 2. Influence of metal cations on the photochromic properties of spironaphthoxazines linked with aza-15(18)-crown-5(6) ethers.” Russian Chemical Bulletin, vol. 51, no. 1, Dec. 2002, pp. 58-66. http://link.springer.com/10.1023/A:1015001527963.
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