A number of novel amides were synthesized by coupling of 6-[(9H-purin-6-yl)amino]hexanoic acid to heterocyclic amines. The antiviral activity of the obtained compounds, as well as of purine conjugates in which 7,8-difluoro-3-methyl-3,4-dihydro-2H-1,4-benzoxazine is linked to position 6 of purine through a fragment of ω-amino acids with varying lengths of polymethylene chains against influenza A and B viruses was studied in vitro. Purine derivatives have been shown to have moderate activity against influenza A (H1N1) virus. The antiinfluenza activity and cytotoxicity of conjugates with 7,8-difluoro-3-methyl-3,4-dihydro-2H-1,4-benzoxazine depend on the length of the linker fragment.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2021, 57(4), 498–504
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Krasnov, V.P., Zarubaev, V.V., Gruzdev, D.А. et al. Novel purine conjugates with N-heterocycles: synthesis and anti-influenza activity. Chem Heterocycl Comp 57, 498–504 (2021). https://doi.org/10.1007/s10593-021-02930-6
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DOI: https://doi.org/10.1007/s10593-021-02930-6