Abstract: Compounds of formula (I): wherein Ar, X, R1, R2, R3 and R4 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against wild type and single or double mutant strains of HIV.

Abstract: Compounds of the invention, which are macrocyclic peptide analogs containing an acylsulfonamide moiety, maintain good activity against NS3 proteases containing clinically relevant resistance mutations for this class as represented by genotype 1a R155K, genotype 1b D168V and genotype 1a D168V resistance mutations. The compounds of the invention are useful as inhibitors of HCV NS3 protease for the treatment of hepatitis C viral infection.

Abstract: Compounds of Formula (I) wherein R1, R2, R3, R4 and R5 are defined herein, maintain good activity against NS3 proteases containing clinically relevant genotype 1a R155K and genotype 1b D168V resistance mutations. The compounds are useful as inhibitors of HCV NS3 protease for the treatment of hepatitis C viral infection.

Abstract: A compound of formula (I) or its enantiomers or diastereoisomers thereof: wherein: A,; X, W, R1, Y; R3; and R4 are as defined herein. The compounds of the invention may be used as inhibitors of the papilloma virus E1-E2-DNA complex. The invention further provides a method of treating or preventing human papilloma virus infection.

Abstract: Compounds of formula I: wherein R1, R2, R2a, R3, R4 and R5 are defined herein, are useful as inhibitors of the HCV NS3 protease.

Abstract: A compound of formula (I) or its enantiomers or diastereoisomers thereof: wherein: A, X, W, R1, Y; R3; and R4 are as defined herein. The compounds of the invention may be used as inhibitors of the papilloma virus E1-E2-DNA complex. The invention further provides a method of treating or preventing human papilloma virus infection.

Abstract: Disclosed herein are compounds of formula Ar1—X—W—Ar2 wherein Ar1 and Ar2 represent aryl groups characterized generally as aromatic heterocycles (e.g. imidazolyl or tetrazolyl) or carbocycles (e.g. phenyl or naphthalenyl); the aryl groups are optionally substituted or fused with other heterocycles or carbocycles; the aryl groups can bear substituents such as alkyl, halo or O-alkyl. X is a heteroatom, a valence bond or an optionally substituted divalent methylene, and W represents a spacer; typical spacers include divalent alkylene or alkylene-amido, -amido or -oxy radicals, which may optionally be substituted (e.g. hydroxyl or oxo). A typical compound is a derivative of 2-(N-napthalenyltetrazolylthio)-N-(2-nitrophenyl)acetamide. The compounds have inhibitory activity against Wild Type and single or double mutant strains of HIV.

Abstract: Compounds of formula (I): wherein R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against HIV. In particular, the compounds are active against wild type and single or double mutant strains of HIV.

Abstract: Compounds of formula (I): wherein Ar, X, R1, R2, R3 and R4 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against wild type and single or double mutant strains of HIV.

Abstract: A compound of formula (I) or its enantiomers or diastereoisomers thereof: wherein: A, X, W, R1, Y; R3; and R4 are as defined herein. The compounds of the invention may be used as inhibitors of the papilloma virus E1-E2-DNA complex. The invention further provides a method of treating or preventing human papilloma virus infection.

Abstract: Compounds of formula (I): wherein Ar, X, R1, R2, R3 and R4 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against wild type and single or double mutant strains of HIV.

Abstract: Compounds of formula (I): wherein R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against HIV. In particular, the compounds are active against wild type and single or double mutant strains of HIV.

Abstract: Inhibitors of HIV reverse transcriptase which are useful for the treatment of HIV infection. Exemplars of the invention are compounds of the formula wherein the substituents are as defined in the following table R1 R2 R4 R5 R8a F CF3 Me H —OH F CF3 Cl H —OH F CF3 Me H —O—CH2CO2H Cl CN Cl H —OH.

Abstract: Compounds represented by formula 1: wherein R1 is H, halogen, (C1-4)alkyl, O(C1-4)alkyl, and haloalkyl; R2 is H or methyl; R3 is H or (C1-4)alkyl; R4 is H or (C1-4)alkyl; R5 is (C1-4)alkyl, (C1-4)alkyl(C3-7)cyclo-alkyl or (C3-7)cycloalkyl; and W is a fused phenyl-5 or 6-membered heterocycle having one or two heteroatoms selected from N or S; or W is phenyl, 1,1?-biphenyl, 2,3-dihydro-1H-indene, 1,2,3,4-tetrahydronaphthyl, or naphthyl; said W being optionally substituted with (C1-4)alkyl, which in turn can be optionally substituted with a carboxy or (C1-4)alkoxycarbonyl, or a salt or ester thereof. The compounds have inhibitory activity against Wild Type, single and double mutant strains of HIV.

Abstract: A compound of formula (I) or its enantiomers or diastereoisomers thereof: wherein: A, X, W, R1, Y; R3; and R4 are as defined herein. The compounds of the invention may be used as inhibitors of the papilloma virus E1-E2-DNA complex. The invention further provides a method of treating or preventing human papilloma virus infection.

Abstract: A compound of formula (I) or its enantiomers or diastereoisomers thereof: wherein: A,; X, W, R1, Y; R3; and R4 are as defined herein. The compounds of the invention may be used as inhibitors of the papilloma virus E1-E2-DNA complex. The invention further provides a method of treating or preventing human papilloma virus infection.

Abstract: Inhibitors of HIV reverse transcriptase which are useful for the treatment of HIV infection. Exemplars of the invention are compounds of the formula wherein the substituents are as defined in the following table.

Abstract: Compounds of formula (I): wherein R1, R2, R3, R4, R5 and R6 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against HIV. In particular, the compounds are active against wild type and single or double mutant strains of HIV.

Abstract: Compounds of formula (I): wherein Ar, X, R1, R2, R3 and R4 are as defined herein. The compounds are useful as reverse transcriptase inhibitors against wild type and single or double mutant strains of HIV.

Abstract: Disclosed herein are compounds of formula Ar1—X—W—Ar2 wherein Ar1 and Ar2 represent aryl groups characterized generally as aromatic heterocycles (e.g. imidazolyl or tetrazolyl) or carbocycles (e.g. phenyl or naphthalenyl); the aryl groups are optionally substituted or fused with other heterocycles or carbocycles; the aryl groups can bear substituents such as alkyl, halo or O-alkyl. X is a heteroatom, a valence bond or an optionally substituted divalent methylene, and W represents a spacer; typical spacers include divalent alkylene or alkylene-amido, -amido or -oxy radicals, which may optionally be substituted (e.g. hydroxyl or oxo). A typical compound is a derivative of 2-(N-napthalenyltetrazolylthio)-N-(2-nitrophenyl)acetamide. The compounds have inhibitory activity against Wild Type and single or double mutant strains of HIV.