Abstract
The kinetics of the thermal and acid-catalyzed Fischer indolization of m-substituted cyclohexanone arylhydrazones were studied. It was shown that substituents with different natures (-CH3, -Cl) and the polarity of the solvent have little effect on the rate of the rearrangement. The results obtained were interpreted within the framework of a concerted mechanism for the formation of the carbon-carbon bond ([3,3]-sigmatropic rearrangement).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1207–1212, September, 1985.
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Przheval'skii, N.M., Kostromina, L.Y. & Grandberg, I.I. Mechanism of the fischer reaction. Effect of electronic factors on the kinetics of the rearrangement of m-substituted cyclohexanone arylhydrazones to tetrahydrocarbazoles. Chem Heterocycl Compd 21, 1002–1008 (1985). https://doi.org/10.1007/BF00515023
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DOI: https://doi.org/10.1007/BF00515023