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Unstable haloorganolithium compounds

Communication 2. Investigation of the structure of o-fluorophenyllithium and phenyllithium etherates

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

Conclusions

  1. 1.

    According to the data of the PMR spectra, low-temperature cryoscopy, and differential thermal analysis,o-fluorophenyllithium in the presence of no less than equivalent amounts of an ether in hydrocarbon solutions at temperatures from −100 to −40° exists in the form of a tetrasolvated tetramer (o-FC6H4Li)4 (R2O)4.

  2. 2.

    The similarity of the PMR spectra of etherates ofo-fluorophenyllithium and phenyllithium indicates that phenyllithium and probably other ArLi as well also form tetramer complexes of the (ArLi)4L4 type in the presence of ethers or trialkylamines.

  3. 3.

    The steric structures of etherates of aromatic lithium compounds and the mechanism of the decomposition ofo-fluorophenyllithium with the formation of dehydrobenzene were discussed.

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Authors and Affiliations

  1. N. D. Zelinskii Institute of Organic Chemistry, Academy of Sciences of the USSR, Moscow

    O. M. Nefedov, A. I. D'yachenko & A. Ya. Shteinshneider

Authors
  1. O. M. Nefedov
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  2. A. I. D'yachenko
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  3. A. Ya. Shteinshneider
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Additional information

For communication 1, see [1].

Preliminary results were cited in [2], see also [3].

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 320–327, February, 1975.

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Nefedov, O.M., D'yachenko, A.I. & Shteinshneider, A.Y. Unstable haloorganolithium compounds. Russ Chem Bull 24, 256–262 (1975). https://doi.org/10.1007/BF00925765

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  • DOI: https://doi.org/10.1007/BF00925765

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