Claims for Patent: 8,871,759

Summary for Patent: 8,871,759

Title:	Inhibitors of hepatitis C virus replication
Abstract:	The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system. ##STR00001##
Inventor(s):	Coburn; Craig A. (Royersford, PA), Ludmerer; Steven W. (North Wales, PA), Liu; Kun (Edison, NJ), Wu; Hao (Shanghai, CN), Soll; Richard (San Diego, CA), Zhong; Bin (Shanghai, CN), Zhu; Jian (Shanghai, CN)
Assignee:	Merck Sharp & Dohme Corp. (Rahway, NJ)
Application Number:	13/260,684
Patent Claims:	1. A compound having the structure: ##STR00531## 2. A compound having the structure: ##STR00532## 3. A pharmaceutical composition comprising (i) an amount of the compound of claim 1 effective for inhibition of HCV viral replication, and (ii) a pharmaceutically acceptable carrier. 4. The pharmaceutical composition of claim 3, further comprising one or more additional therapeutic agents selected from the group consisting of HCV antiviral agents, immunomodulators and anti-infective agents. 5. The pharmaceutical composition of claim 4, wherein said one or more additional therapeutic agents is selected from the group consisting of HCV protease inhibitors and HCV NS5B polymerase inhibitors. 6. A method of treating a patient infected with HCV comprising the step of administering the compound of claim 1, in an amount effective to treat infection by HCV in said patient. 7. A pharmaceutical composition comprising (i) an amount of the compound of claim 2 effective for inhibition of HCV viral replication, and (ii) a pharmaceutically acceptable carrier. 8. The pharmaceutical composition of claim 7, further comprising one or more additional therapeutic agents selected from the group consisting of HCV antiviral agents, immunomodulators and anti-infective agents. 9. The pharmaceutical composition of claim 8, wherein said one or more additional therapeutic agents is selected from the group consisting of HCV protease inhibitors and HCV NS5B polymerase inhibitors. 10. A method of treating a patient infected with HCV comprising the step of administering the compound of claim 2, in an amount effective to treat infection by HCV in said patient. 11. A pharmaceutically acceptable salt of a compound having the structure: ##STR00533## 12. A pharmaceutical composition comprising (i) an amount of the pharmaceutically acceptable salt of the compound of claim 11 effective for inhibition of HCV viral replication, and (ii) a pharmaceutically acceptable carrier. 13. The pharmaceutical composition of claim 12, further comprising one or more additional therapeutic agents selected from the group consisting of HCV antiviral agents, immunomodulators and anti-infective agents. 14. The pharmaceutical composition of claim 13, wherein said one or more additional therapeutic agents is selected from the group consisting of HCV protease inhibitors and HCV NS5B polymerase inhibitors. 15. A method of treating a patient infected with HCV comprising the step of administering the compound of claim 11, in an amount effective to treat infection by HCV in said patient. 16. A pharmaceutically acceptable salt of a compound having the structure: ##STR00534## 17. A pharmaceutical composition comprising (i) an amount of the pharmaceutically acceptable salt of the compound of claim 16 effective for inhibition of HCV viral replication, and (ii) a pharmaceutically acceptable carrier. 18. The pharmaceutical composition of claim 17, further comprising one or more additional therapeutic agents selected from the group consisting of HCV antiviral agents, immunomodulators and anti-infective agents. 19. The pharmaceutical composition of claim 18, wherein said one or more additional therapeutic agents is selected from the group consisting of HCV protease inhibitors and HCV NS5B polymerase inhibitors. 20. A method of treating a patient infected with HCV comprising the step of administering the compound of claim 16, in an amount effective to treat infection by HCV in said patient.