Abstract
Stable spiro compounds containing a dihydroisoxazole ring are formed by the reaction of ω-carbonyl-substituted 2-methyleneindolines with hydroxylamine. These compounds are converted in acid media into isoxazoles with scission of the indoline unit.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, 523–528, April, 1993.
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Tolmachev, A.A., Babichenko, L.N. & Sheinkman, A.K. Synthesis of 3,4-dihydroisoxazoles — Derivatives of ω-carbonyl-substituted 1,3,3-trimethyl-2-methyleneindolines and their chemical reactions. Chem Heterocycl Compd 29, 446–451 (1993). https://doi.org/10.1007/BF00529885
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DOI: https://doi.org/10.1007/BF00529885