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Electron-donor properties and energy of pπ-conjugation of a series of substituted diphenyl ethers

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  1. 1.

    The thermal effects of the reactions of complex formation and the dipole moments of complexes of AlBr3 with bromo-, methyl-, methoxy-, and phenoxy-substituted diphenyl ethers (DE) were measured. A correlation of the complex-forming ability of the DE with the Hammettσ-constants was established.

  2. 2.

    The energies of pπ-conjugation of the investigated ethers were determined.

  3. 3.

    The model D′, presupposing free but interrelated rotation of the phenyl rings around the C-O bond, is the most probable for substituted DE.

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Literature cited

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 828–834, April, 1975.

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Romm, I.P., Kopylov, V.V., Gur'yanova, E.N. et al. Electron-donor properties and energy of pπ-conjugation of a series of substituted diphenyl ethers. Russ Chem Bull 24, 747–752 (1975).

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  • Methyl
  • Ether
  • Phenyl
  • Dipole Moment
  • Complex Formation