Abstract
A method has been developed for the synthesis of 4-thioxopyrano[4′,3′: 4,5]thieno[2,3-d]pyrimidines from the corresponding acyl derivatives of 2-amino-3-cyanothieno[2,3-c]pyran.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, 267–269, February, 2005.
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Mkrtchyan, A.P., Oganisyan, A.S., Oganisyan, A.S. et al. Derivatives of Condensed Thienopyrimidines. 22. Synthesis of 2-Substituted 4-Thioxopyrano[4′,3′:4,5]thieno[2,3-d]pyrimidines. Chem Heterocycl Compd 41, 235–237 (2005). https://doi.org/10.1007/s10593-005-0133-4
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DOI: https://doi.org/10.1007/s10593-005-0133-4