Macrocyclic tetrazolyl hepatitis c serine protease inhibitors

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 498/18 (2006.01) A61K 31/41 (2006.01) A61P 31/14 (2006.01) C07D 487/18 (2006.01)

Patent

CA 2705803

The present invention relates to compounds of Formula (I), (II), (III) or (IV), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit serine protease activity, particularly the activity of hepatitis C virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising a compound of the present invention.

La présente invention concerne des composés de formule I, II, III ou IV, ou des promédicaments, des esters ou des sels acceptables sur le plan pharmaceutique de ceux-ci. Il s'agit de composés qui inhibent l'activité sérine protéase, en particulier l'activité de la protéase NS3-NS4A du virus de l'hépatite C (VHC). En conséquence, les composés de la présente invention interfèrent avec le cycle de vie du virus de l'hépatite C et se révèlent également utiles en tant qu'agents antiviraux. La présente invention concerne, en outre, des compositions pharmaceutiques comprenant les composés susmentionnés en vue d'une administration à un sujet souffrant d'une infection par le VHC. L'invention concerne également des procédés de traitement d'une infection par le VHC chez un sujet par l'administration d'une composition pharmaceutique comprenant un composé de la présente invention.

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