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Direct C-glycosylation of guanine analogues: the synthesis and antiviral activity of certain 7- and 9-deazaguanine C-nucleosides.
C-Glycosylation of two guanine analogues, 9-deaza- and 7-deazaguanine, has been achieved under Friedel-Crafts conditions, providing a direct synthetic route to 9-deazaguanosine (4;Expand
Evaluation of continuous cell lines in antiviral studies with murine cytomegalovirus
SummaryCell culture systems were developed for rapid antiviral drug screening, using murine cytomegalovirus (MCMV) as an alternative to the slower growing human CMV. Since previous assay methods withExpand
Broad-spectrum in vivo antiviral activity of 7-thia-8-oxoguanosine, a novel immunopotentiating agent.
A novel immunopotentiating agent, 5-amino-3-beta-D-ribofuranosylthiazolo [4,5-d]pyrimidine-2,7(3H,6H)-dione (7-thia-8-oxoguanosine), lacks virus-inhibitory properties in vitro but induces interferonExpand
Antiviral activity of the novel immune modulator 7-thia-8-oxoguanosine.
A novel thiazolopyrimidine nucleoside, 5-amino-3-beta-D-ribofuranosylthiazolo[4,5-d]pyrimidine-2,7(3H,6H) -dione (7-thia-8-oxoguanosine), was evaluated for antiviral activity in rodent models, and atExpand
Effect of selenazofurin on influenza A and B virus infections of mice.
The inhibitory effects of selenazofurin and ribavirin on influenza A and B virus infections in mice were compared. Both compounds, when administered intraperitoneally (i.p.), reduced lungExpand
Roles of interferon and natural killer cells in the antiviral activity of 7-thia-8-oxoguanosine against Semliki Forest virus infections in mice.
7-Thia-8-oxoguanosine is a novel biological response modifier with broad-spectrum antiviral activity against many DNA and RNA viruses in vivo. Since two of its properties are to induce interferon andExpand
Antiviral activity and mode of action of ribavirin 5'-sulfamate against Semliki Forest virus.
Ribavirin 5'-sulfamate, a nucleotide analog, inhibited Semliki Forest virus cytopathology by 50% at 10 microM, whereas ribavirin was inactive at less than or equal to 1 mM. Actinomycin D did notExpand
Activity of selenazofurin against influenza A and B viruses in vitro.
Activity of the new antiviral compound selenazofurin was compared with the known active compounds ribavirin and amantadine against influenza A and B viruses. In experiments with Madin Darby canineExpand
Immunoenhancing properties and antiviral activity of 7-deazaguanosine in mice.
The nucleotide analog 7-deazaguanosine has not previously been reported to possess biological (antiviral or antitumor) properties in cell culture or in vivo. Up to 10(5) U of interferon per ml wasExpand
Broad-spectrum activity of 8-chloro-7-deazaguanosine against RNA virus infections in mice and rats
Abstract A novel nucleoside analog, 8-chloro-7-deazaguanosine (8-Cl-7-dzGuo), was evaluated for anti-RNA virus activity in rodents in parallel with the related compoundExpand
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