Abstract
Under the influence of phosphorus oxychloride in an inert solvent, 1-aryl-2-acylhydrazines undergo intramolecular rearrangement to give 2-amino-3-alkylindoles. The latter are autooxidized in alkaline media to give 3-hydroxy-2-aminoindolenines or 3-hydroxy-2-iminoindolines. The structures of all of the compounds were proved by UV, IR, and PMR spectroscopy and also by mass-spectrometric data.
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See [1] for communication XXXIV.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 511–515, April, 1973.
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Golubeva, G.A., Portnov, Y.N. & Kost, A.N. Chemistry of indole. Chem Heterocycl Compd 9, 471–475 (1973). https://doi.org/10.1007/BF00471528
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DOI: https://doi.org/10.1007/BF00471528