Abstract:
PROBLEM TO BE SOLVED: To provide a compound with antiviral activity.SOLUTION: Provided are compounds of Formula I, imidazo[1,5-f][1,2,4]triazinyl, imidazo[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. In the formula, Xor Xis independently C-Ror N, and at least one of Xand Xis N.
Abstract:
PROBLEM TO BE SOLVED: To provide compounds having activity against infectious Flaviviridae viruses and inhibiting viral RNA-dependent RNA polymerase to have antiviral activity.SOLUTION: Provided are substituted carba-nucleoside analogs typically represented by the specified formula.
Abstract:
PROBLEM TO BE SOLVED: To provide a compound useful as an antiproliferative agent, an apoptotic agent, an anti-HPV agent and a topical anti-HPV agent. SOLUTION: This compound is represented by formula (I). Pharmaceutical compositions containing an effective amount of the compound described in formula (I) or its pharmaceutically acceptable salts and pharmaceutically acceptable carriers are also included therein. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide antiviral phosphonomethoxy nucleotide analogs and intermediates therefor useful for efficient oral delivery.SOLUTION: The phosphonomethoxy nucleotide analogs are represented by the specified formula (5) or the like.
Abstract:
PROBLEM TO BE SOLVED: To provide anti-viral compounds with hepatitis C virus (HCV) inhibitory activity.SOLUTION: The invention is related to anti-viral compounds (the following formula I), 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. A method for treating disorders associated with hepatitis C includes a step of administering to an individual a pharmaceutical composition which comprises a therapeutically effective amount of a specific compound or pharmaceutically acceptable salt or prodrug thereof. Furthermore, a method for inhibiting HCV includes a step of administering to a mammal affected with a condition associated with HCV, an amount of the specific compound or a pharmaceutically acceptable salt or prodrug thereof, effective to inhibit HCV.
Abstract:
PROBLEM TO BE SOLVED: To provide Imidazo[4,5-d]pyrimidines, their uses and methods of preparation.SOLUTION: The present invention relates to pharmaceutical compositions for the treatment of prevention of viral infections, comprising as an active principle at least one imidazo[4,5-c]pyrimidine having the general formula (A), wherein the substituents are described in the specification. The invention also relates to processes for the preparation of compounds having the general formula, their pharmaceutically acceptable formulations and their use as a medicine or to treat or prevent viral infections. The invention relates specifically to antiviral compounds, in particular such compounds for the treatment of Flaviviridae and Picornaviridae.
Abstract:
PROBLEM TO BE SOLVED: To provide a compound having antiviral and other desired properties, such as bioavailability, efficiency, nontoxicity, optimal clearance, potency or the like. SOLUTION: A pharmaceutical composition for the treatment or prevention of viral infections comprises as an active ingredient at least one imidazo[4,5-c]pyridine prodrug having general formula (A), wherein substituents are described in the specification. Also, a method is provided for preparing and screening compounds having the general formula, and the use of the compounds for the treatment or prophylaxis of viral infections is provided. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for identifying anti-HIV therapeutic compounds substituted with carboxyl ester or phosphonate ester groups. SOLUTION: Libraries of such compounds are screened optionally using the novel enzyme GS-7340 Ester Hydrolase. Compositions and methods relating to GS-7430 Ester Hydrolase also are provided. In one embodiment, this invention comprises following steps: (a) identifying a non-nucleotide prototype compound, (b) substituting the prototype compound with phosphonate-containing group to form a candidate compound, and (c) determining the anti-HIV activity of the candidate compound. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide compounds that inhibit viruses of the Flaviviridae family.SOLUTION: Simultaneous infections with the Flaviviridae virus family cause significant mortality, morbidity and economic losses throughout the world. Therefore, there is a need to develop effective treatments for Flaviviridae virus infections. 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.