A convenient method for the synthesis of novel sulfonic cytosine derivatives, 8-(methyl(phenyl)sulfonyl)-2,6-dihydroimidazo[1,2-c]-pyrimidin-5(3Н)-ones and 9-(methyl(phenyl)sulfonyl)-2,3,4,7-tetrahydro-6H-pyrimido[1,6-a]pyrimidin-6-ones, has been developed based on the reaction of 3-amino-2-(methyl(phenyl)sulfonyl)acrylonitriles with 2-chloroethyl isocyanate and 3-chloropropyl isocyanate. The resulting heteryl sulfones possess antiviral activity.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2019, 55(4/5), 401–407
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Solomyannyi, R.N., Shablykina, O.V., Moskvina, V.S. et al. 8-(Methyl(phenyl)sulfonyl)-2,6-dihydroimidazo[1,2-c]- pyrimidin-5(3Н)-ones and 9-(methyl(phenyl)sulfonyl)- 2,3,4,7-dihydro-6H-pyrimido[1,6-a]pyrimidin-6-ones: synthesis and antiviral activity. Chem Heterocycl Comp 55, 401–407 (2019). https://doi.org/10.1007/s10593-019-02472-y
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DOI: https://doi.org/10.1007/s10593-019-02472-y