Imidazopyridine and benzimidazole derivatives have been prepared with chiral substituents at the nitrogen atom and have been converted to the corresponding condensed structures fused with a piperazine ring. A method has been developed for the synthesis of novel class of compounds – 6,7,8,9-tetra-hydropyrido[3',2':4,5]imidazo[1,2-a]pyrazine derivatives.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 831-843, May, 2012.
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Bukhryakov, K.V., Kurkin, A.V. & Yurovskaya, M.A. Synthesis of imidazo[4,5-b]pyridines with a chiral substituent at the nitrogen atom and their conversion to piperazine derivatives. Chem Heterocycl Comp 48, 773–784 (2012). https://doi.org/10.1007/s10593-012-1056-5
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DOI: https://doi.org/10.1007/s10593-012-1056-5