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Dynamic effects in ESR spectra of 4-triphenylmethyl-6-tert-butyl-2-hydroxyphenoxyl and 4-triphenylmethyl-6-phenyl-2-hydroxyphenoxyl

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

In the ESR spectra of 6-triphenylmethyl-4-tert-butyl-2-hydroxyphenoxyl and 6-triphenylmethyl-4-phenyl-2-hydroxyphenoxyl and their deuterated analogs, temperature-dependent dynamic effects have been found; these are explained from the standpoint of a reversible intramolecular transition between different conformations of the radicals, differing in the spin density distribution, owing to direct interaction of the unpaired electron with the π orbitals of the phenyl rings of the triphenylmethyl substituent.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow

    B. L. Tumanskii, N. A. Malysheva, A. I. Prokof'ev, A. A. Khodak, S. P. Solodovnikov, N. N. Bubnov & M. I. Kabachnik

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  1. B. L. Tumanskii
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  2. N. A. Malysheva
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  3. A. I. Prokof'ev
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  4. A. A. Khodak
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  5. S. P. Solodovnikov
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  6. N. N. Bubnov
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  7. M. I. Kabachnik
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1513–1517, July, 1985.

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Tumanskii, B.L., Malysheva, N.A., Prokof'ev, A.I. et al. Dynamic effects in ESR spectra of 4-triphenylmethyl-6-tert-butyl-2-hydroxyphenoxyl and 4-triphenylmethyl-6-phenyl-2-hydroxyphenoxyl. Russ Chem Bull 34, 1383–1388 (1985). https://doi.org/10.1007/BF00950135

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  • DOI: https://doi.org/10.1007/BF00950135

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