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

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

Research outputpeer-review

Abstract

[Figure not available: see fulltext.] 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.

Original languageEnglish
Pages (from-to)953-956
Number of pages4
JournalChemistry of Heterocyclic Compounds
Volume56
Issue number7
DOIs
Publication statusPublished - 1 Jul 2020

Scopus subject areas

  • Organic Chemistry

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