A new synthetic method to obtain functionally substituted 1,4,2-dioxazoles from vinyl aryl ethers and hydroxamic acids was proposed. The target heterocycles were formed under mild conditions in good yields. It was shown that ring closure occurs via the formation of aroxy(methyl) arylhydroxamates as intermediates.
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The work was carried out using the equipment of Baikal Analytical Center for Collective Use of the Siberian Branch of the Russian Academy of Sciences.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2023, 59(11/12), 805–810
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Chuvashev, Y.A., Larina, L.I. & Klyba, L.V. A new route for the synthesis of 1,4,2-dioxazoles from hydroxamic acids. Chem Heterocycl Comp 59, 805–810 (2023). https://doi.org/10.1007/s10593-024-03275-6
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DOI: https://doi.org/10.1007/s10593-024-03275-6