Benzodiazepine derivatives for treating hepatitis C infection

US8039616B2 · kind B2 · utility

Assignee

• ASTRAZENECA AB · SE

Inventors

• Helena Dennison · London, GB
• Justin Warne · London, GB
• Keith Charles Spencer · London, GB
• George Stuart Cockerill · Milton Keynes, GB
• James Lumley · London, GB

Key dates

• Filing date: Sep 19, 2005
• Grant date: Oct 18, 2011
• Expiry date: Feb 27, 2027

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P31/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Use of a benzodiazepine of formula (I), or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in treating or preventing a hepatitis C infection, wherein: —R1 represents C1-6 alkyl, aryl or heteroaryl; —R2 represents hydrogen or C1-6 alkyl; —each R3 is the same or different and represents halogen, hydroxy, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C1-6 haloalkyl, C1-6 haloalkoxy, amino, mono(C1-6 alkyl)amino, di(C1-6 alkyl)amino, nitro, cyano, —CO2R′, —CONR′R″, —NH—CO—R′, —S(O)R′, —S(O)2R′, —NH—S(O)2R′, —S(O)NR′R″ or —S(O)2NR′R″, wherein each R′ and R″ is the same or different and represents hydrogen or C1-6 alkyl; —n is from 0 to 3; —R4 represents hydrogen or C1-6 alkyl; —R5 represents C1-6alkyl, aryl, heteroaryl, carbocyclyl, heterocyclyl, aryl-(C1-6 alkyl)-, heteroaryl-(C1-6 alkyl)-, carbocyclyl-(C1-6 alkyl)-, heterocyclyl-(C1-6 alkyl)-, aryl-(C1-6 hydroxyalkyl)-, heteroaryl-(C1-6hydroxyalkyl)-, carbocyclyl-(C1-6 hydroxyalkyl)-, heterocyclyl-(C1-6hydroxyalkyl)-, aryl-C(O)—C(O)—, heteroaryl-C(O)—C(O)—, carbocyclyl-C(O)—C(O)—, heterocyclyl-C(O)—C(O)— or —XR6; —X represents —CO—, —S(O)— or —S(O)2—; and —R6 represents C1-6 alkyl, hydroxy, C1-6 alkox…