Abstract
It was established that the reaction of alkali with 4-(3-indolyl)pyridinium salts gives stable anhydronium bases, which are readily alkylated at the indole nitrogen atom. The pK a values of the anhydro bases were determined by spectrometry. The spectral data and reactivities are compared with the results of calculation by the self-consistent-field (SCF) MO LCAO method.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1477–1481, November, 1978.
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Sheinkman, A.K., Zemskii, B.P., Stupnikova, T.V. et al. Acid-base transformations of quaternary salts of pyridylindoles. Chem Heterocycl Compd 14, 1199–1203 (1978). https://doi.org/10.1007/BF00509736
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DOI: https://doi.org/10.1007/BF00509736