Patent ID: 8119630

Claim:
A method of treating an RSV infection in a patient, which method comprises administering to said patient an effective amount of a compound of formula (I), or a pharmaceutically acceptable salt thereof, wherein: R 1 represents C 1-6 alkyl, aryl or heteroaryl; R 2 represents hydrogen or C 1-6 alkyl; each R 3 is the same or different and represents halogen, hydroxy, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylthio, C 1-6 haloalkyl, C 1-6 haloalkoxy, amino, mono(C 1-6 alkyl)amino, di(C 1-6 alkyl)amino, nitro, cyano, —CO 2 R′, —CONR′R″, —NH—CO—R′, —S(O)R′, —S(O) 2 R′, —NH—S(O) 2 R′, —S(O)NR′R″ or —S(O) 2 NR′R″, wherein each R′ and R″ is the same or different and represents hydrogen or C 1-6 alkyl; n is from 0 to 3; R 4 represents hydrogen or C 1-6 alkyl; R 5 represents C 1-6 alkyl, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-C 1-6 alkyl)-, heteroaryl-(C 1-6 alkyl)-, carbocyclyl-(C 1-6 alkyl)-, heterocyclyl-(C 1-6 alkyl)-, aryl-(C 1-6 hydroxyalkyl)-, heteroaryl-(C 1-6 hydroxyalkyl)-, carbocyclyl-(C 1-6 hydroxyalkyl)-, heterocyclyl-C 1-6 hydroxyalkyl)-, aryl-C(O)—C(O)—, heteroaryl-C(O)—C(O)—, carbocyclyl-C(O)—C(O)—, heterocyclyl-C(O)—C(O)— or —XR 6 ; X represents —CO—, —S(O)— or —S(O) 2 —; and R 6 represents C 1-6 alkyl, hydroxy, C 1-6 alkoxy, C 1-6 alkylthio, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-(C 1-6 alkyl)-, heteroaryl-(C 1-6 alkyl)-, carbocyclyl-(C 1-6 alkyl)-, heterocyclyl-(C 1-6 alkyl)-, aryl-(C 1-6 alkyl)—O—, heteroaryl-(C 1-6 alkyl)-O—, carbocyclyl-(C 1-6 alkyl)-O—, heterocyclyl-(C 1-6 alkyl)-O— or —NR′R″ wherein each R′ and R″ is the same or different and represents hydrogen, C 1-6 alkyl, carbocyclyl, heterocyclyl, aryl, heteroaryl, aryl-(C 1-6 alkyl)-, heteroaryl-(C 1-6 alkyl)-, carbocyclyl-(C 1-6 alkyl)- or heterocyclyl-(C 1-6 alkyl)-.