Abstract
Methods have been developed for obtaining derivatives of W-amino(oxo)-, 8,10-dioxo-, and 10-amino-8-oxo(thio)pyrano(thiopyrano) [4′,3′:4,5]pyrido[2,3-d]pyrimidine on the basis of 3-amino(benzylamino)-4-cyano (carbamoyl)pyrano(thiopyrano)[3,4-c]-pyridines.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1683–1687, December, 1993.
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Paronikyan, E.G., Sirakanyan, S.N. & Noravyan, A.S. Synthesis of derivatives of pyrido[2,3-d]pyrimidines condensed with tetrahydropyran and tetrahydrothiopyran. Chem Heterocycl Compd 29, 1454–1457 (1993). https://doi.org/10.1007/BF00531411
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DOI: https://doi.org/10.1007/BF00531411