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Cyclization of 1-Aryl-5-Phenylpent-4-en-2-yn-1-Ones to 2,3-Dihydropyran-2-Ones in Trifluoromethanesulfonic Acid

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Chemistry of Heterocyclic Compounds Aims and scope

Under the action of an excess of trifluoromethanesulfonic acid, 1-aryl-5-phenylpent-4-en-2-yn-1-ones cyclize intramolecularly to 6-aryl-2-phenyl-2,3-dihydropyran-4-ones. The reaction proceeds at room temperature for 1 h with 50–60% yields.

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Authors and Affiliations

  1. Saint Petersburg State Forest Technical University, 5 Institutskiy Pereulok, Saint Petersburg, 194021, Russia

    Anna S. Zalivatskaya & Aleksander V. Vasilyev

  2. Institute of Chemistry, Saint Petersburg State University, 7/9 University Embankment, Saint Petersburg, 199034, Russia

    Anna S. Zalivatskaya, Aleksander А. Golovanov & Aleksander V. Vasilyev

  3. Togliatti State University, 14 Belorusskaya St., Togliatti, 445020, Russia

    Aleksander А. Golovanov

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  1. Anna S. Zalivatskaya
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  2. Aleksander А. Golovanov
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  3. Aleksander V. Vasilyev
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Correspondence to Aleksander V. Vasilyev.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2020, 56(7), 953–956

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Zalivatskaya, A.S., Golovanov, A.А. & Vasilyev, A.V. Cyclization of 1-Aryl-5-Phenylpent-4-en-2-yn-1-Ones to 2,3-Dihydropyran-2-Ones in Trifluoromethanesulfonic Acid. Chem Heterocycl Comp 56, 953–956 (2020). https://doi.org/10.1007/s10593-020-02756-8

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  • DOI: https://doi.org/10.1007/s10593-020-02756-8

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