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ESR study of radicals formed by the reduction of α-diketones C(O)C(O)CF3 (R=(CF3)2CF, C6F5, (CF3)3C) with several group I–III metals

  • Physical Chemistry
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Abstract

The ESR spectra of radical anions formed by reduction of α-diketones RC(O)C(O)CF3 (R=(CF3)2CF, C6F5, (CF3)3C) with metals (Li, Na, K, Mg, Cd, Zn, Hg, In, and TI) in THF were studied. For R=(CF3)2CF and C6F5, the radical anions are formed ascis-isomers, whereas for R=(CF3)3C,trans-isomers are obtained. Line broadening due to solvation and desolvation of the cation is observed in the latter case. The reduction of α-diketone (CF3)2CFC(O)C(O)CF3 with Group II metals (Mg, Cd, Zn) results in the formation of radical pairs.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 117813, Moscow, Russian Federation

    E. N. Shaposhnikova, S. R. Sterlin, S. P. Solodovnikov, N. N. Bubnov, I. V. Stankevich, A. L. Chistyakov & B. L. Tumanskii

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  1. E. N. Shaposhnikova
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  2. S. R. Sterlin
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  3. S. P. Solodovnikov
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  4. N. N. Bubnov
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  5. I. V. Stankevich
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  6. A. L. Chistyakov
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  7. B. L. Tumanskii
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Translated fromIzvestiya Akadmii Nauk. Seriya Khimicheskaya, No. 11, pp. 2228–2231, November, 1998.

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Shaposhnikova, E.N., Sterlin, S.R., Solodovnikov, S.P. et al. ESR study of radicals formed by the reduction of α-diketones C(O)C(O)CF3 (R=(CF3)2CF, C6F5, (CF3)3C) with several group I–III metals. Russ Chem Bull 47, 2160–2163 (1998). https://doi.org/10.1007/BF02494272

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  • DOI: https://doi.org/10.1007/BF02494272

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