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Straightforward synthesis of tri- and tetra-substituted 3-trifluoromethylfurans by heterocyclization reaction of perfluoroketene dithioacetals

Abstract : Various 2-ethylsulfanyl-3-trifluoromethylfurans were obtained, in moderate to good yields, using a two-step procedure, from perfluoroketene dithioacetals as starting materials. Reaction tolerated a large variety of substituents on the furan nucleus. Mechanism of cyclization was also proposed based on the electronic properties of aryl and heteroaryl substituents.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02046201
Contributor : Madeleine Roux-Merlin <>
Submitted on : Friday, February 22, 2019 - 3:36:30 PM
Last modification on : Thursday, September 10, 2020 - 3:41:51 PM

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Clément de Saint Jores, Ivan Mukan, Tatyana Yegorova, Dominique Harakat, J.-P. Bouillon. Straightforward synthesis of tri- and tetra-substituted 3-trifluoromethylfurans by heterocyclization reaction of perfluoroketene dithioacetals. Tetrahedron, Elsevier, 2016, 72 (43), pp.6807-6814. ⟨10.1016/j.tet.2016.09.009⟩. ⟨hal-02046201⟩

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