Abstract
1,4-Dihydro-3-cyano-2-pyridinethiolates react with 2-bromo-l-(4-bromophenyl)ethylidenemalononitrile or N-cyanochloracetanudine to give 6, 9-dihydropyrido[3′, 2': 4, 5]thieno[3. 2-b]pyridines or 6, 9-dihydropyrido-[3′.2′:4.5Jthieno(3,2-d]pyrimidines, respectively.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 553–556, April, 1996.
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Artemov, V.A., Ivanov, V.L., Rodinovskaya, L.A. et al. New convenient synthesis of substituted 6,9-dihydropyrido[3′,2′:4,5]thieno[3,2-b]pyridines and 6,9-dihydropyrido[3′,2′:4,5]thieno[3,2-d]pyrimidines. Chem Heterocycl Compd 32, 483–486 (1996). https://doi.org/10.1007/BF01165918
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DOI: https://doi.org/10.1007/BF01165918