Fluorinated pyrrolo[2,3-d]pyrimidine nucleosides for the...

C - Chemistry – Metallurgy – 07 – H

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C07H 19/14 (2006.01) A61K 31/7064 (2006.01) A61K 31/7068 (2006.01) A61P 31/14 (2006.01)

Patent

CA 2584367

The present invention provides fluorinated pyrrolo[2,3,d]pyrimidine nucleoside compounds which are inhibitors of RNA-dependent RNA viral polymerase. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful for the treatment of RNA-dependent RNA viral infection. They are particularly useful as precursors to inhibitors of hepatitis C virus (HCV) NS5B polymerase, as precursors to inhibitors of HCV replication, and/or for the treatment of hepatitis C infection. The invention also describes pharmaeutical compositions containing such fluorinated pyrrolo[2,3-d]pyrimidine nucleoside alone or in combination with other agents active against RNA-dependent RNA viral infection, in particular HCV infection. Also disclosed are methods of inhibiting RNA-dependent RNA polymerase, inhibiting RNA-dependent RNA viral replication, and/or treating RNA-dependent RNA viral infection with the fluorinated pyrrolo[2,3-d]pyrimidine nucleoside of the present invention.

La présente invention concerne des composés de nucléosides de pyrrolo[2,3-d]pyrimidine fluorés, étant des inhibiteurs de la polymérase ribovirale dépendante de l'ARN. Ces composés sont des inhibiteurs de la réplication ribovirale dépendante de l'ARN et servent au traitement d'infections ribovirales dépendantes de l'ARN. Ces composés servent notamment de précurseurs d'inhibiteurs de la polymérase NS5B du virus de l'hépatite C (HCV), de précurseurs d'inhibiteurs de la réplication du virus de l'hépatite C, et/ou au traitement d'infections par le virus de l'hépatite C. L'invention concerne également des compositions pharmaceutiques contenant des nucléosides de pyrrolo[2,3-d]pyrimidine fluorés seuls ou en combinaison avec d'autres agents actifs contre des infections ribovirales dépendantes de l'ARN, notamment des infections par le virus de l'hépatite C. L'invention concerne également des procédés d'inhibition de la polymérase ribovirale dépendante de l'ARN, destinés à inhiber la réplication ribovirale dépendante de l'ARN et/ou à traiter des infections ribovirales dépendantes de l'ARN au moyen des nucléosides de pyrrolo[2,3-d]pyrimidine fluorés selon l'invention.

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