Conclusions
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1.
Octamethylbiphenylene is protonated in strong acids to give the 2-H-1,2,3,4,5,6, 7,8-octamethylbiphenylenonium ion.
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2.
Preliminary data were obtained that testify to the progress of the degenerate rearrangement of ion (II) via the 1,2-shift of the hydrogen atom (for the HCl-Al2Cl6-CH2Cl2 system ΔG ≠3 ∘ ≈ 15 kcal/mole.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 204–206, January, 1983.
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Morozov, S.V., Shakirov, M.M. & Shubin, V.G. Behavior of octamethylbiphenylene in strongly acid media. Russ Chem Bull 32, 178–180 (1983). https://doi.org/10.1007/BF01167787
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DOI: https://doi.org/10.1007/BF01167787