Abstract
The interaction of arylhydrazines with ω-(3,5-dimethyl-1-pyrazolyl)acetophenones and acetyl(2-thiophene) leads to arylhydrazones, which are converted by Fischer cyclization into 2-aryl(thienyl)-3-(3,3-dimethyl-1-pyrazolyl)indoles with substituents in positions 1, 5, and 7.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1662–1669, November, 2004.
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Przheval’skii, N.M., Skvortsova, N.S. & Magedov, I.V. New derivatives of 3-aminoindole. Synthesis of 2-aryl(hetaryl)-3-(3,5-dimethyl-1-pyrazolyl)indoles. Chem Heterocycl Compd 40, 1435–1441 (2004). https://doi.org/10.1007/s10593-005-0061-3
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DOI: https://doi.org/10.1007/s10593-005-0061-3