Abstract
It was shown that 3-(2-oxoalkyl)-2-benzoxazolones with phenylhydrazine in the presence of polyphosphoric acid form the corresponding 2-alkyl-3-(2-benzoxazolon-3-yl)-indoles.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1086–1087, August, 1984.
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Lozanova-Boicheva, K., Kalcheva, V. & Simov, D. Synthesis of 2-alkyl-3-(2-benzoxazolon-3-yl)indoles. Chem Heterocycl Compd 20, 884–885 (1984). https://doi.org/10.1007/BF00513575
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DOI: https://doi.org/10.1007/BF00513575