Abstract
Condensation products, which were converted to 2-substituted (2-hydroxy- and 2-methyl)-6-azaindoles by reductive cyclization, were obtained in high yields from 3-nitro-4-chloropyridine by reaction with malonic and acetoacetic esters and acetylacetone in the presence of sodium hydride in dimethylformamide at room temperature.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1531–1534, November, 1977.
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Prokopov, A.A., Yakhontov, L.N. Azaindole derivatives. Chem Heterocycl Compd 13, 1224–1227 (1977). https://doi.org/10.1007/BF00475952
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DOI: https://doi.org/10.1007/BF00475952