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Ethynyl carbonium ions. 3. Diene synthesis with 4-phenylethynylpyrylium salts

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Norbornadiene derivatives of pyrylium salts were obtained for the first time by [4+2] cycloaddition of cyclopentadienes and 2,6-diaryl-4-phenylethynylpyrylium salts with and without methyl groups in the 3 and 5 positions. Their photochemical transformations were studied.

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Literature Cited

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Authors and Affiliations

  1. Scientific-Research Institute of Physical and Organic Chemistry, Rostov State University, 344104, Rostov-on-Don

    A. V. Koblik, L. A. Murad'yan, A. D. Dubonosov & G. P. Zolotovskova

Authors
  1. A. V. Koblik
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  2. L. A. Murad'yan
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  3. A. D. Dubonosov
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  4. G. P. Zolotovskova
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Additional information

See [1] for Communication 2.

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 307–311, March, 1990.

The authors thank M. I. Knyazhanskii for discussing the photochemical results.

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Koblik, A.V., Murad'yan, L.A., Dubonosov, A.D. et al. Ethynyl carbonium ions. 3. Diene synthesis with 4-phenylethynylpyrylium salts. Chem Heterocycl Compd 26, 259–263 (1990). https://doi.org/10.1007/BF00472538

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  • DOI: https://doi.org/10.1007/BF00472538

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