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Investigation in the thiophthene series

Communication 1. Search for ways of synthesizing substituted thiophthenes

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

Summary

  1. 1.

    An accessible method was developed for the preparation of 5-ethyl-2-thiophthenecarboxylic acid, and by the decarboxylation of this 2-ethylthieno[2,3-b3thiophene, i.e., 2-ethylthiophthene, was formed in good yield.

  2. 2.

    The methods used for the preparation of benzo[b]thiophene-3-ol are not suitable for the synthesis of its thiophene analog, namely thieno[2,3-b]thiophener-3-ol.

  3. 3.

    Some new substituted sulfides of the thiophene series were synthesized.

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Authors and Affiliations

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

    Ya. L. Gol'dfarb & V. P. Litvinov

Authors
  1. Ya. L. Gol'dfarb
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  2. V. P. Litvinov
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Additional information

Here and below, by this name (thiophthene) we, like the Ring Index [1], understand the thienothiophene isomer of structure (thieno[2,3-b]thiophene.

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Gol'dfarb, Y.L., Litvinov, V.P. Investigation in the thiophthene series. Russ Chem Bull 12, 310–316 (1963). https://doi.org/10.1007/BF00846404

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  • DOI: https://doi.org/10.1007/BF00846404

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