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- W2029574920 abstract "The oxidation of uracil derivatives and pyrimidine nucleosides performed in CH2Cl2 with dimethyldioxirane afforded new 5,6-oxiranyl-5,6-dihydro and cis-/trans-5,6-dihvdroxv-5,6-dihydro-derivatives. When the oxidations were performed in the presence of methanol as nucleophile cis- and trans- 5-hydroxy-6-methoxy-5,6-dihydro derivatives were obtained in acceptable yields. Cis- and trans-1,3- dimethyl-5-hydroxy-6-alkylamino-5,6-dihydro uracils were obtained by nucleophilic ring opening of the 1,3-dimethyl-5,6-oxiranyl-5,6-dihydro uracil in the purified form. Interestingly some of the new title products revealed low cytotoxicity and selective antiviral activity against DNA and RNA Viruses. In particular, compound 17b shows a strong and selective inhibition of the Sendai virus with lower effect on Herpes Simplex-1 virus. Compound 17b is also able to slightly inhibit HIV-1 virus at high concentrations, but in this case a cytotoxic effect was observed." @default.
- W2029574920 created "2016-06-24" @default.
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- W2029574920 date "1995-07-01" @default.
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- W2029574920 title "Studies on the chemistry of pyrimidine derivatives with dimethyldioxirane: synthesis, cytotoxic effect and antiviral activity of new 5,6-oxiranyl-5,6-dihydro and 5-hydroxy-5,6-dihydro-6-substituted uracil derivatives and pyrimidine nucleosides" @default.
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- W2029574920 doi "https://doi.org/10.1016/0040-4020(95)00380-q" @default.
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