Radiation Physics and Chemistry, volume 130, pages 379-384
Stereoisomeric effect in low temperature radiolysis of dicyclohexano-18-crown-6 complexes with BaCl2
Publication type: Journal Article
Publication date: 2017-01-01
Journal:
Radiation Physics and Chemistry
Quartile SCImago
Q2
Quartile WOS
Q1
Impact factor: 2.9
ISSN: 0969806X
Radiation
Abstract
Abstract Effect of syn/anti- stereoisomerism of the macrocycle on radiation-chemical transformations of dicyclohexano-18-crown-6 complexes with BaCl 2 was studied by EPR spectroscopy. It was found that the stereoisomerism affected the composition of radicals produced under radiolysis at 77 K. In addition, it was demonstrated that the yield of post-radiation macrocycle cleavage after annealing the irradiated complexes at 333 K was also different for the two studied stereoisomers. The radiation-induced destruction of both cis-syn-cis- and cis-anti-cis -complex was predominately localized at the crown ether moiety, and the Cl 2 - radical anions were not detected in irradiated samples. The last finding was ascribed to a high reactivity of chlorine atoms towards the crown ether. Generally, it may be concluded that the macrocyclic complex with anti- configuration had a lower radiation stability. Thus, it is very important to characterize the stereoisomeric composition of dicyclohexano-18-crown-6 and its complexes in the radiation-chemical tests for practical purposes.
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Zakurdaeva O. A., Nesterov S. V., Feldman V. I. Stereoisomeric effect in low temperature radiolysis of dicyclohexano-18-crown-6 complexes with BaCl2 // Radiation Physics and Chemistry. 2017. Vol. 130. pp. 379-384.
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Zakurdaeva O. A., Nesterov S. V., Feldman V. I. Stereoisomeric effect in low temperature radiolysis of dicyclohexano-18-crown-6 complexes with BaCl2 // Radiation Physics and Chemistry. 2017. Vol. 130. pp. 379-384.
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TY - JOUR
DO - 10.1016/j.radphyschem.2016.09.024
UR - https://doi.org/10.1016%2Fj.radphyschem.2016.09.024
TI - Stereoisomeric effect in low temperature radiolysis of dicyclohexano-18-crown-6 complexes with BaCl2
T2 - Radiation Physics and Chemistry
AU - Zakurdaeva, Olga A
AU - Nesterov, Sergey V
AU - Feldman, Vladimir I.
PY - 2017
DA - 2017/01/01 00:00:00
PB - Elsevier
SP - 379-384
VL - 130
SN - 0969-806X
ER -
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@article{2017_Zakurdaeva
author = {Olga A Zakurdaeva and Sergey V Nesterov and Vladimir I. Feldman},
title = {Stereoisomeric effect in low temperature radiolysis of dicyclohexano-18-crown-6 complexes with BaCl2},
journal = {Radiation Physics and Chemistry},
year = {2017},
volume = {130},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016%2Fj.radphyschem.2016.09.024},
pages = {379--384},
doi = {10.1016/j.radphyschem.2016.09.024}
}
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