Chromogenic systems based on 8-(1,3-benzoxazol-2-yl) substituted spirobenzopyrans undergoing ion modulated photochromic rearrangements
Publication type: Journal Article
Publication date: 2018-06-01
scimago Q2
wos Q2
SJR: 0.694
CiteScore: 7.8
Impact factor: 4.7
ISSN: 10106030, 18732666
General Chemistry
General Chemical Engineering
General Physics and Astronomy
Abstract
8-(1,3-Benzoxazol-2-yl) substituted spirobenzopyrans 1A appear as a chromogenic system susceptible of switching between positive and negative photochromism under complexation with metal ions. The thermal and photochemical reactions accompanying metal ion-induced transformation of spiropyrans 1A to the complexes formed by their photoinduced merocyanine isomers 1B were investigated. In the dark, the colorless spiropyrans interact with Mn 2+ , Cd 2+ and Zn 2+ transition metal ions to yield deeply colored 1:1 complexes possessing fluorescence, while Co 2+ , Ni 2+ , Cu 2+ ions prefer to form non-fluorescent complexes with two merocyanines. Under irradiation with visible light solutions of the merocyanine-metal complexes undergo photobleaching. This effect was quantified using photokinetic method.
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Chernyshev A. V. et al. Chromogenic systems based on 8-(1,3-benzoxazol-2-yl) substituted spirobenzopyrans undergoing ion modulated photochromic rearrangements // Journal of Photochemistry and Photobiology A: Chemistry. 2018. Vol. 360. pp. 174-180.
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Chernyshev A. V., Metelitsa A. V., Rostovtseva I. A., Voloshin N. A., Soloveva E. V., Gaeva E. B., Minkin V. I. Chromogenic systems based on 8-(1,3-benzoxazol-2-yl) substituted spirobenzopyrans undergoing ion modulated photochromic rearrangements // Journal of Photochemistry and Photobiology A: Chemistry. 2018. Vol. 360. pp. 174-180.
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TY - JOUR
DO - 10.1016/j.jphotochem.2018.04.031
UR - https://doi.org/10.1016/j.jphotochem.2018.04.031
TI - Chromogenic systems based on 8-(1,3-benzoxazol-2-yl) substituted spirobenzopyrans undergoing ion modulated photochromic rearrangements
T2 - Journal of Photochemistry and Photobiology A: Chemistry
AU - Chernyshev, Anatoly V
AU - Metelitsa, Anatoly V.
AU - Rostovtseva, I. A.
AU - Voloshin, N A
AU - Soloveva, E V
AU - Gaeva, E B
AU - Minkin, V. I.
PY - 2018
DA - 2018/06/01
PB - Elsevier
SP - 174-180
VL - 360
SN - 1010-6030
SN - 1873-2666
ER -
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@article{2018_Chernyshev,
author = {Anatoly V Chernyshev and Anatoly V. Metelitsa and I. A. Rostovtseva and N A Voloshin and E V Soloveva and E B Gaeva and V. I. Minkin},
title = {Chromogenic systems based on 8-(1,3-benzoxazol-2-yl) substituted spirobenzopyrans undergoing ion modulated photochromic rearrangements},
journal = {Journal of Photochemistry and Photobiology A: Chemistry},
year = {2018},
volume = {360},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/j.jphotochem.2018.04.031},
pages = {174--180},
doi = {10.1016/j.jphotochem.2018.04.031}
}
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