Synthesis of Pyrimidine Conjugates with 4-(6-Amino-hexanoyl)-7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine and Evaluation of Their Antiviral Activity

A series of pyrimidine conjugates containing a fragment of racemic 7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine and its (S)-enantiomer attached via a 6-aminohexanoyl fragment were synthesized by the reaction of nucleophilic substitution of chlorine in various chloropyrimidines. The structur...

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Veröffentlicht in:Molecules (Basel, Switzerland) Switzerland), 2022-06, Vol.27 (13), p.4236
Hauptverfasser: Krasnov, Victor P., Musiyak, Vera V., Levit, Galina L., Gruzdev, Dmitry A., Andronova, Valeriya L., Galegov, Georgii A., Orshanskaya, Iana R., Sinegubova, Ekaterina O., Zarubaev, Vladimir V., Charushin, Valery N.
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Sprache:eng
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Zusammenfassung:A series of pyrimidine conjugates containing a fragment of racemic 7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine and its (S)-enantiomer attached via a 6-aminohexanoyl fragment were synthesized by the reaction of nucleophilic substitution of chlorine in various chloropyrimidines. The structures of the synthesized compounds were confirmed by 1H, 19F, and 13C NMR spectral data. Enantiomeric purity of optically active derivatives was confirmed by chiral HPLC. Antiviral evaluation of the synthesized compounds has shown that the replacement of purine with a pyrimidine fragment leads to a decrease in the anti-herpesvirus activity compared to the lead compound, purine conjugate. The studied compounds did not exhibit significant activity against influenza A (H1N1) virus.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules27134236