Abstract: The present invention provides compounds represented by formula (I), pharmaceutically acceptable salts thereof, N-oxides thereof, solvates thereof or prodrugs thereof (wherein the characters are as defined in the description). The compounds represented by formula (I) have affinity and selectivity for the gamma-aminobutyric acid A receptor subunit alpha 5 (GABAA ?5) and act as GABAA ?5 negative allosteric modulators (GABAA ?5 NAM), so that they are useful in the prevention and/or treatment of diseases which are related to the GABAA ?5 such as Alzheimer's disease.

Abstract: The present invention provides compounds represented by formula (I), pharmaceutically acceptable salts thereof, N-oxides thereof, solvates thereof or prodrugs thereof (wherein the characters are as defined in the description). The compounds represented by formula (I) have affinity and selectivity for the gamma-aminobutyric acid A receptor subunit alpha 5 (GABAA ?5) and act as GABAA ?5 negative allosteric modulators (GABAA ?5 NAM), so that they are useful in the prevention and/or treatment of diseases which are related to the GABAA ?5 such as Alzheimer's disease.

Abstract: The present invention provides compounds represented by formula (I), pharmaceutically acceptable salts thereof, N-oxides thereof, solvates thereof or prodrugs thereof (wherein the characters are as defined in the description). The compounds represented by formula (I) have affinity and selectivity for the gamma-aminobutyric acid A receptor subunit alpha 5 (GABAA ?5) and act as GABAA ?5 negative allosteric modulators (GABAA ?5 NAM), so that they are useful in the prevention and/or treatment of diseases which are related to the GABAA ?5 such as Alzheimer's disease.

Abstract: The invention provides the compounds of formula (I) and pharmaceutically acceptable salts thereof, in which: R1 and R2 are independently selected from the group consisting of H, C1-6alkyl, C1-2alkyl substituted by one to five fluorine atoms, C3-6alkenyl, C3-6alkynyl, C3-10cycloalkylC0-6alkyl, C4-12bridged cycloalkyl, A(CR7R8)n and B(CR7R8)n; R3 is selected from the group consisting of C1-6alkyl, NH2 and R10CONH; R4 is C1-2alkyl substituted by one to five fluorine atoms; R5 is selected from the group consisting of H, C1-4alkyl, C1-2alkyl substituted with one to five fluorine atoms, halogen and C3-10cycloalkylC0-6alkyl, with the proviso that when R6 is H R5 is not H.

Abstract: Anti-viral agents of compounds of Formula (I): wherein A, R1, R2 and R3 are as defined in the specification, processes for their preparation and their use in HCV treatment are provided.

Abstract: Anti-viral agents of Formula (Ia) wherein: A represents hydroxy; B represents C(O)R3 wherein R3 is 4-tert-butyl-3-methoxyphenyl; D represents 1,3-thiazol-2-yl or 5-methyl-1,3-thiazol-2-yl; E represents pyrazin-2-yl; G represents 1,3-thiazol-2-ylmethyl, 1,3-thiazol-4-ylmethyl, 1,2-thiazol-3-ylmethyl, or 1H-pyrazol-1-ylmethyl; and salts, solvates and esters thereof; provided that when A is esterified to form —OR where R is selected from straight or branched chain alkyl, aralkyl, aryloxyalkyl, or aryl, then R is other than tert-butyl, processes for their preparation and their use in HCV treatment are provided.

Abstract: Anti-viral agents of compounds of Formula (I): wherein A, R1, R2 and R3 are as defined in the specification, processes for their preparation and their use in HCV treatment are provided.

Abstract: Anti-viral agents of Formula (I) wherein: A represents hydroxy; D represents aryl or heteroaryl; E represents hydrogen, C1-6alkyl, aryl, heteroaryl or heterocyclyl; G represents hydrogen or optionally substituted C1-6alkyl; J represents C1-6alkyl, heterocyclylalkyl, arylalkyl or heteroarylalkyl; and salts, solvates and esters thereof; provided that when A is esterified to form —OR where R is selected from straight or branched chain alkyl, aralkyl, aryloxyalkyl, or aryl, then R is other than tert-butyl; processes for their preparation, pharmaceutical compositions comprising them, and methods of using them in HCV treatment are provided.

Abstract: Novel anti-viral agents of Formula wherein: A represents OR1, NR1R2, or R1 wherein R1 and R2 are hydrogen, C1-6alkyl, aryl, heteroaryl, arylalkyl, or heteroarylalkyl; or R1 and R2 together with the nitrogen atom to which they are attached form a 5 or 6 membered saturated cyclic group; B represents C(O)R3 wherein R3 is C1-6alkyl, aryl, heteroaryl, arylalkyl, or heteroarylalkyl; C represents C1-6alkyl, aryl, heteroaryl or heterocyclyl; D represents a saturated or unsaturated optionally substituted 6-membered heterocyclic ring; E represents hydrogen or C1-6alkyl; F represents hydrogen, C1-6alkyl, aryl or heteroaryl; and G represents hydrogen, C1-6alkyl, heterocyclylalkyl, arylalkyl or heteroarylalkyl; and salts, solvates and esters thereof, processes for their preparation and methods of using them in HCV treatment are provided.

Abstract: The invention thus provides the compounds of formula (I) and pharmaceutically acceptable salts thereof, in which: R1 and R2 are independently selected from the group consisting of H, C1-6alkyl, C2-6alkenyl, C3-6alkynyl, C3-10cycloalkylC0-6alkyl and C4-12bridged cycloalkyl; R3 is selected from the group consisting of C1-6alkyl, NH2 and R5CONH; R4 is selected from the group consisting of CH2F, CHF2, CF3CH2, CF3CHF and CF3CF2; and R5 is selected from the group consisting of H, C1-6alkyl, C1-6alkoxy, C1-6alkylOC1-6alkyl, phenyl, HO2CC1-6alkyl, C1-6alkylOCOC1-6alkyl, C1-6alkylOCO, H2NC1-6alkyl, C1-6alkylOCONHC1-6alkyl and C1-6alkylCONHC1-6alkyl. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of the pain, fever, inflammation of a variety of conditions and diseases.

Abstract: The invention provides the compounds of formula (I) and pharmaceutically acceptable derivatives thereof, in which: R1 and R2 are independently selected from H, C1-6 alkyl, C2-6alkenyl, C3-6alkynyl, C3-10cycloalkylC0-6alkyl or C4-12bridged cycloalkane; and R3 is C1-6alkyl or NH2. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of pain, fever, inflammation and a variety of conditions and diseases.

Abstract: Therapeutically active thiazole derivatives of formula (I) wherein R1, R2, X and X′ are as defined in the specification, processes for the preparation thereof, the use thereof in therapy, particularly in the treatment or prophylaxis of disorders characterized by overexpression of transforming growth factor &bgr;(TAG-&bgr;), and pharmaceutical compositions for use in such therapy.

Abstract: Therapeutically active pyrazole derivatives of formula (I) wherein R1-R3 are as defined in the specification, processes for the preparation thereof, the use thereof in therapy, particularly in the treatment or prophylaxis of disorders characterised by overexpression of transforming growth factor (TGF-), and pharmaceutical compositions for use in such therapy.