Abstract
The reaction of 5,6-dialkyl-2-halopyridine-3,4-dicarbonitriles with alcoholic ammonia under elevated pressure gave 5,6-dialkyl-2-aminopyridine-3,4-dicarbonitriles as a result of nucleophilic replacement of the halogen atom by amino group. 6,7-Dialkyl-4-halo-1H-pyrrolo[3,4-c]pyridine-1,3(2H)-diimines were formed in analogous reaction at room temperature in the presence of potassium carbonate.
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Original Russian Text © V.N. Maksimova, O.V. Ershov, K.V. Lipin, A.V. Eremkin, O.E. Nasakin, 2012, published in Zhurnal Organicheskoi Khimii, 2012, Vol. 48, No. 3, pp. 429–431.
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Maksimova, V.N., Ershov, O.V., Lipin, K.V. et al. Regioselective reaction of 5,6-dialkyl-2-halopyridine-3,4-dicarbonitriles with ammonia. Russ J Org Chem 48, 426–429 (2012). https://doi.org/10.1134/S1070428012030153
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DOI: https://doi.org/10.1134/S1070428012030153