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Reaction of benzene (cyclopentadienyl) iron fluoborate with organolithium,-sodium, and -magnesium compounds

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Conclusions

  1. 1.

    The exo-ethyl, exo-benzyl-, and exo-cyclopentadienyl-cyclohexadienylcyclopentadienyl derivatives of iron were obtained for the first time by the reaction of benzene(cyclopentadienyl)iron fluoborate with ethyllithium, benzylmagnesium chloride, and cyclopentadienylsodium.

  2. 2.

    At low temperatures (−25°C) in ether the aliphatic or ganolithium compounds (CH3Li, C2H5Li) do not enter into the above described reaction, but instead effect the one-electron reduction of the [C6H6FeC5H5]+] cation to the electroneutral C6H6FeC5H5 π-complex.

  3. 3.

    Phenyllithium, phenylmagnesium bromide, benzylmagnesium chloride, and cyclopentadienylsodium are incapable of reducing [C6H6FeC5H5]+ to C6H6FeC5H5.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1151–1155, May, 1975.

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Nesmeyanov, A.N., Vol'kenau, N.A., Shilovtseva, L.S. et al. Reaction of benzene (cyclopentadienyl) iron fluoborate with organolithium,-sodium, and -magnesium compounds. Russ Chem Bull 24, 1057–1060 (1975). https://doi.org/10.1007/BF00922964

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Keywords

  • Iron
  • Ether
  • Chloride
  • Magnesium
  • Benzene