Patent ID: 6784166
Filing Date: 2004-08-31
Classification: A61K,A61P,C07H,Y02P,Y10S

Abstract:
The method of treating an HCV infection comprising administering to a patient in need thereof a therapeutically effective amount of a the compound of formula I wherein R1 is alkenyl, alkynyl, haloalkyl, alkylcarbonyl, alkoxy, hydroxymethyl, cyano, azido, alkoxyiminomethyl, alkylcarbonylamino, alkylaminomethyl or dialkylaminomethyl; R2 R2 is hydrogen, hydroxy, alkoxy, or halogen; R3 and R4 are hydrogen, hydroxy, alkoxy, halogen or hydroxyalkyl, provided that at least one of R3 and R4 is hydrogen; or R3 and R4 represent fluorine; R11 is hydrogen and pharmaceutically acceptable salts thereof.