Abstract
Cyclization of α-cyano-Β-phenylamino-N-dimethylaminomethyleneacrylamide to pyrimido[5,4-c]quinol-4-one proceeds via the intermediate formation of 1-phenyl-5-cyano-1,4-dihydropyrimidin-4-one and α-cyano-Β-phenyl-amino-N-formylacrylamide.
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A. V. Kadushkin, T. V. Stezhko, N. P. Solov'eva, and V. G. Granik, Khim. Geterotsikl. Soedin., No. 12, 1616 (1987).
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For Communication 50, see [1].
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 88–90, January, 1988.
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Ershov, L.V., Tugusheva, N.Z. & Granik, V.G. Acetals of lactams and acid amides. 51. Cyclization of α-cyano-Β-phenylamino-N-dimethylaminomethyleneacrylamide to pyrimido[5,4-c]quinol-4-one. Chem Heterocycl Compd 24, 73–75 (1988). https://doi.org/10.1007/BF00475573
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DOI: https://doi.org/10.1007/BF00475573