Abstract: The invention provides heteroaryl substituted thiazolo compounds of Formula I and II and pharmaceutically acceptable salts thereof. The variables A and R3 to R7 are defined herein. The invention also includes methods for preparing compounds and salts of Formula I and II. The present invention also includes pharmaceutical compositions containing heteroaryl substituted thiazolo compounds and methods for using heteroaryl substituted thiazolo compounds, including methods for using the compounds in the treatment of hepatitis C virus.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides amino-substituted aminothiazole compounds of Formula I in which A is a group of the formula: and the variables R and R1 to R7 are described herein. These compounds are useful as inhibitors of viral replication. Compositions containing such compounds, and methods of treating viral infections with these compounds, as well as to processes and intermediates useful for preparing such compounds are also provided by the invention.

Abstract: The present invention provides compounds, salts and hydrates of Formula I, wherein the variables Ar1, R2, R3, R4, r, q, and t are defined herein. Certain compounds of Formula I described herein possess potent antiviral activity. The invention also provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. Certain compounds described herein inhibit assembly of the HCV replication complex. The invention also provides pharmaceutical compositions containing one or more compounds of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I wherein the variables A1, A2, R1, R2, V, W, X, Y, and Z are defined herein. Certain compounds of Formula I described herein which possess potent antiviral activity. The invention particularly provides compounds of Formula I that are potent and/or selective inhibitors of Hepatitis C virus replication. The invention also provides pharmaceutical compositions containing one or more compound of Formula I, or a salt, solvate, or acylated prodrug of such compounds, and one or more pharmaceutically acceptable carriers, excipients, or diluents. The invention further comprises methods of treating patients suffering from certain infectious diseases by administering to such patients an amount of a compound of Formula I effective to reduce signs or symptoms of the disease or disorder. These infectious diseases include viral infections, particularly HCV infections.

Abstract: The invention provides compounds and pharmaceutically acceptable salts of Formula I 1