Chemical Biology and Drug Design p. 441 - 449 (2011)
Update date:2022-08-02
Topics:
Peduto, Antonella
Massa, Antonio
Di Mola, Antonia
de Caprariis, Paolo
La Colla, Paolo
Loddo, Roberta
Altamura, Sergio
Maga, Giovanni
Filosa, Rosanna
With the aim of identifying novel lead compounds active against emergent human infectious diseases, a series of 2,3-dihydro-4H-pyridinone derivatives has been prepared and evaluated for antiviral activity. Compounds were evaluated in vitro in cell-based assays for cytotoxicity and against a wide spectrum of viruses. In the antiviral screening, several compounds showed to be fairly active against viruses belonging to the Flaviviridae family. The Pestiviruses (bovine viral diarrhoea virus) were inhibited by 4acis (CC50>100μm; EC50 = 14μm), compounds 4ccis and 6a showed a significant activity against Flaviviruses (Yellow Fever Virus) (CC50>100μm; EC50=18μm, CC50>100μm; EC50=10μm). Among these, compound 6a displayed great inhibitory activity against Hepaciviruses (hepatitis C virus) in replicon assay [CC50 > 100μm; EC50(1b)=4μm]. In vitro inhibitory activity against the HCV RNA-dependent RNA polymerase (NS5B) of title compounds is discussed. The antiviral screening of viral strains indicated that compound 6a can be selected as promising tool in novel anti-flaviviruses development.
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