Abstract: The present invention relates to Cyclic Phosphate Substituted Nucleoside Derivatives of Formula (I): and pharmaceutically acceptable salts thereof, wherein A, B, Q, V, R1, R2 and R3 are as defined herein. The present invention also relates to compositions comprising a Cyclic Phosphate Substituted Nucleoside Derivative, and methods of using the Cyclic Phosphate Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.

Abstract: The present invention is directed carbocyclic nucleoside reverse transcriptase inhibitors compounds of Formula I and their use in the inhibition of HIV reverse transcriptase, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS and/or ARC.

Abstract: The present invention relates to Cyclic Phosphate Substituted Nucleoside Derivatives of Formula (I), and pharmaceutically acceptable salts thereof, wherein A, B, Q, V, R1, R2 and R3 are as defined herein. The present invention also relates to compositions comprising a Cyclic Phosphate Substituted Nucleoside Derivative, and methods of using the Cyclic Phosphate Substituted Nucleoside Derivatives for treating or preventing HCV infection in a patient.

Abstract: The present invention is directed carbocyclic nucleoside reverse transcriptase inhibitors compounds of Formula I and their use in the inhibition of HIV reverse transcriptase, the prophylaxis of infection by HIV, the treatment of infection by HIV, and the prophylaxis, treatment, and delay in the onset or progression of AIDS and/or ARC.

Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents. In certain embodiments, the compounds are 3?-substituted methyl or alkynyl nucleosides of Formula I: (I); or a pharmaceutically acceptable salt, solvate, stereoisomeric form, tautomeric form or polymorphic form thereof, wherein Base, PD, RA, RB1, RB2, RC and Z are as defined herein.

Abstract: Provided herein are compounds, compositions, and methods for the treatment of cancer, including leukemia. In one embodiment, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-cancer agents.

Abstract: Provided herein are compounds, compositions and methods for the treatment of Flaviviridae infections, including HCV infections. In certain embodiments, compounds and compositions of nucleoside derivatives are disclosed, which can be administered either alone or in combination with other anti-viral agents. In certain embodiments, the compounds are 3?-substituted methyl or alkynyl nucleosides of Formula I: (I); or a pharmaceutically acceptable salt, solvate, stereoisomeric form, tautomeric form or polymorphic form thereof, wherein Base, PD, RA, RB1, RB2, RC and Z are as defined herein.

Abstract: The present invention relates to inhibitors of protein kinases of formula I: which can be used in the treatment of various diseases, notably cancer, inflammation or disorders of the central nervous system. It also relates to pharmaceutical compositions containing the compounds according to the invention and their use in therapy.

Abstract: Provided herein are phosphadiazine polymerase inhibitor, for example, of Formula III, pharmaceutical compositions comprising the compounds, and processes of preparation thereof. Also provided are methods of their use for the treatment of an HCV infection in a host in need thereof.

Abstract: The present invention relates to inhibitors of protein kinases of formula I: which can be used in the treatment of various diseases, notably cancer, inflammation or disorders of the central nervous system. It also relates to pharmaceutical compositions containing the compounds according to the invention and their use in therapy.