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Reactions of aromatic and heteroaromatic compounds carrying electron acceptor substituents

Communication 18.* NMR-13C spectra and influence of complex formation with aluminum chloride on the distribution of electron density in certain carbonyl compounds of the thiophene series

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

Conclusions

  1. 1.

    The NMR-13C spectra of 2-thiophenaldehyde, 2-acetothienone, their complexes with 1 and 2 moles of AlCl3, as well as a 1∶1 complex of the ethyl ester of 2-thiophencarboxylic acid with AlCl3, were studied.

  2. 2.

    As a result of complex formation, the electron density on the C3 and C5 carbon atoms is sharply reduced, while that on C4 is negligibly reduced, and that on the carbon atom in the 2-position is increased.

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Authors and Affiliations

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

    L. I. Belen'kii, I. B. Karmanova, Yu. B. Vol'kenshtein, P. V. Petrovskii, L. A. Fedorov & Ya. L. Gol'dfarb

  2. Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow

    L. I. Belen'kii, I. B. Karmanova, Yu. B. Vol'kenshtein, P. V. Petrovskii, L. A. Fedorov & Ya. L. Gol'dfarb

Authors
  1. L. I. Belen'kii
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  2. I. B. Karmanova
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  3. Yu. B. Vol'kenshtein
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  4. P. V. Petrovskii
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  5. L. A. Fedorov
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  6. Ya. L. Gol'dfarb
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1725–1731, August, 1974.

For Communication 17, see [1].

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Belen'kii, L.I., Karmanova, I.B., Vol'kenshtein, Y.B. et al. Reactions of aromatic and heteroaromatic compounds carrying electron acceptor substituents. Russ Chem Bull 23, 1648–1653 (1974). https://doi.org/10.1007/BF00923181

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  • DOI: https://doi.org/10.1007/BF00923181

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