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Radiochimica Acta

International Journal for chemical aspects of nuclear science and technology

Editor-in-Chief: Qaim, Syed M.

IMPACT FACTOR 2017: 1.202

CiteScore 2017: 1.22

SCImago Journal Rank (SJR) 2017: 0.409
Source Normalized Impact per Paper (SNIP) 2017: 0.869

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Volume 101, Issue 1


Radical intermediates of low temperature radiolysis of di-tert-butylcyclohexano-18-crown-6/1-octanol extractant

O. A. Zakurdaeva
  • Russian Academy of Science, Enikolopov Institute of Synthetic Polymer, 117393 Moscow, Russische Föderation
  • Other articles by this author:
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/ S. V. Nesterov / V. I. Feldman
Published Online: 2012-11-20 | DOI: https://doi.org/10.1524/ract.2013.1993


Intermediates of low temperature (77 K) X-rays radiolysis of 1-octanol and di-tert-butylcyclohexano-18-crown-6 solutions in 1-octanol were studied by ESR spectroscopy. Hydroxyalkyl CH3(CH2)6CHOH and interior-type alkyl R1CHR2OH radicals were found to be main paramagnetic products stabilized in 1-octanol irradiated at 77 K. In addition to abovementioned radicals, macrocyclic –O–CH2–CH– and acyclic –CH–C(H)=O radicals produced from crown ether were identified in irradiated 1.0 M DtBuCH18C6 solution in octanol. No deviation in radiation-chemical yield of the stabilized acyclic radicals from the value expected in accord with “additive” rule was observed in the latter case. It was supposed that macrocycle cleavage in DtBuCH18C6 occurred at early stages of radiolysis rather than in secondary radical reactions between products of 1-octanol radiolysis and crown ether. Meanwhile, alkyl radicals formed from 1-octanol can react with crown ether, resulting in formation of macrocyclic products of radiolysis.

Keywords: Di-tert-butylcyclohexano-18-crown-6; 1-octanol; Radiolysis; ESR spectra; Radicals

About the article

* Correspondence address: Russian Academy of Science, Enikolopov Institute of Synthetic Polymer, ul. Profsoyuznaya 70, Materials, 117393 Moscow, Russische Föderation,

Published Online: 2012-11-20

Published in Print: 2013-01-01

Citation Information: Radiochimica Acta International journal for chemical aspects of nuclear science and technology, Volume 101, Issue 1, Pages 51–56, ISSN (Print) 2193-3405 , DOI: https://doi.org/10.1524/ract.2013.1993.

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