Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: Provided are imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections.

Abstract: Provided are thieno[3,4-d]pyrimidin-7-yl and furo[3,4-d]pyrimidin-7-yl ribosides, riboside phosphates and prodrugs thereof as well as intermediates and methods of preparation. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections.

Abstract: Provided are pyrrolo[1,2-f][1,2,4]triazinyl, imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 1? position of the nucleoside sugar is substituted. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections.

Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The present invention relates to 2-pyridone derivatives of Formula I or IV as herein described, compositions containing such compounds, synthetic processes for making such compounds, and therapeutic methods that include the administration of such compounds.

Abstract: Provided are pyrrolo[1,2-f][1,2,4]triazinyl, imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 2? position of the nucleoside sugar is substituted with halogen and carbon substitutents. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections caused by both wild type and mutant strains of HCV.

Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The present application includes novel inhibitors of HCV, compositions containing such compounds, therapeutic methods that include the administration of such compounds.

Abstract: The invention is related to a method of treating disorders associated with hepatitis C by administering to an individual a pharmaceutical composition which comprises a therapeutically effective amount of an anti-viral phosphinate compound.

Abstract: The invention is related to anti-viral phosphinate compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The invention is related to compounds of Formula (I): or a pharmaceutically acceptable salt, solvate, ester, and/or phosphonate thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.

Abstract: Provided are pyrrolo[1,2-f][1,2,4]triazinyl, imidazo[1,5-f][1,2,4]triazinyl, imidazo[1,2-f][1,2,4]triazinyl, and [1,2,4]triazolo[4,3-f][1,2,4]triazinyl nucleosides, nucleoside phosphates and prodrugs thereof, wherein the 2? position of the nucleoside sugar is substituted with halogen and carbon substitutents. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections, particularly hepatitis C infections caused by both wild type and mutant strains of HCV.

Abstract: The invention is related to phosphorus substituted nucleoside compounds and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The invention is related to anti-viral phosphinate compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: The invention is related to anti-viral compounds, compositions containing such compounds, and therapeutic methods that include the administration of such compounds, as well as to processes and intermediates useful for preparing such compounds.

Abstract: A compound of Formula I, Formula II, Formula III, or Formula IV: or a pharmaceutically acceptable salt, solvate, and/or ester thereof, therapeutic compositions containing such compounds, and therapeutic methods that include the administration of such compounds.

Abstract: The present invention relates to pharmaceutical compositions for the treatment or prevention of viral infections comprising as an active principle at least one compound having the general formula (A): wherein U is N or C; X is selected from C1-C10 alkylene, C2-10 alkenylene or C2-10 alkynylene, where each may include one or more intrachain heteroatoms selected from O, S, or NR11, provided any such heteroatom is not adjacent to the N in the ring; R3 is selected from aryl, aryloxy, arylthio, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl-N(R10)—, or heterocycle, where each said substituent is optionally substituted with at least one R17, provided that for cycloalkenyl the double bond is not adjacent to a nitrogen; and the other substituents are described in the specification.

Abstract: Provided are thieno[3,4-d]pyrimidin-7-yl and furo[3,4-d]pyrimidin-7-yl ribosides, riboside phosphates and prodrugs thereof as well as intermediates and methods of preparation. The compounds, compositions, and methods provided are useful for the treatment of Flaviviridae virus infections.

Abstract: The invention is related to compounds of Formula (I), (II), or (III); or a pharmaceutically acceptable salt, solvate, ester, and/or phosphonate thereof, compositions containing such compounds, and therapeutic methods that include the administration of such compounds.