IP Library Granted Patent US 8,618,076
Granted Patent B2
US 8,618,076 · App. 13/076,552 · Granted Dec 31, 2013

Nucleoside phosphoramidates

Inventors: Bruce S. Ross (Plainsboro, NJ); Michael Joseph Sofia (Doylestown, PA); Ganapati Reddy Pamulapati (Plainsboro, NJ); Suguna Rachakonda (Twinsburg, OH); Hai-Ren Zhang (Ellicott City, MD); Byoung-Kwon Chun (Robbinsville, NJ); Peiyuan Wang (Glen Rock, NJ)
Assignee: Gilead Pharmasset LLC
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Quick Facts
Patent No.
US 8,618,076
App. No.
13/076,552
Granted
Dec 31, 2013
Kind
B2
Abstract

Disclosed herein are nucleoside phosphoramidates and their use as agents for treating viral diseases. These compounds are inhibitors of RNA-dependent RNA viral replication and are useful as inhibitors of HCV NS5B polymerase, as inhibitors of HCV replication and for treatment of hepatitis C infection in mammals.

Claims (63)

1. A crystalline compound represented by the formula (S P -4):

having XRPD 2θ-reflections (°) at about: 6.1, 8.2, 10.4, 12.7, 17.2, 17.7, 18.0, 18.8, 19.4, 19.8, 20.1, 20.8, 21.8, and 23.3.

2. A crystalline compound represented by the formula (S P -4):

having XRPD 2θ-reflections (°) at about 6.08, 8.2, 10.38, 10.85, 12.17, 12.7, 13.73, 14.1, 15.91, 16.83, 17.17, 17.66, 17.95, 18.79, 19.1, 19.41, 19.8, 20.11, 20.82, 21.81, 22.03, 23.03, 23.26, 23.64, 23.89, and 24.73.

3. The crystalline compound according to claim 2 , wherein the XRPD 2θ-reflections (°) at about 6.08, 8.2, 10.38, 10.85, 12.17, 12.7, 13.73, 14.1, 15.91, 16.83, 17.17, 17.66, 17.95, 18.79, 19.1, 19.41, 19.8, 20.11, 20.82, 21.81, 22.03, 23.03, 23.26, 23.64, 23.89, and 24.73 have intensities (%) of 66.7, 62.1, 29.8, 10.4, 12.0, 66.4, 14.9, 13.8, 3.1, 8.7, 19.7, 56.2, 37.7, 59.0, 14.3, 37.2, 46.0, 68.8, 100.0, 36.8, 7.4, 14.2, 21.6, 6.3, 7.0, and 3.3, respectively.

4. A crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 21 .

5. A pharmaceutical composition comprising the crystalline compound according to claim 1 and a pharmaceutically acceptable medium.

6. A method of treating a hepatitis C virus infection in a human comprising administering to the human an effective amount of the crystalline compound according to claim 1 .

7. The method according to claim 6 further comprising administering to the human another antiviral agent.

8. A process for preparing the crystalline compound according to claim 1 comprising:

exposing a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 to atmospheric humidity to provide a first composition.

9. The process according to claim 8 further comprising:

grinding the first composition into a powder; and

allowing the powder to stand in an open vessel.

10. A process for preparing the crystalline compound according to claim 1 comprising:

suspending a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 in water to provide a suspension.

11. The process according to claim 10 further comprising heating the suspension.

12. The process according to claim 11 further comprising cooling the suspension.

13. A pharmaceutical composition comprising the crystalline compound according to claim 2 and a pharmaceutically acceptable medium.

14. A method of treating a hepatitis C virus infection in a human comprising administering to the human an effective amount of the crystalline compound according to claim 2 .

15. The method according to claim 14 further comprising administering to the human another antiviral agent.

16. A process for preparing the crystalline compound according to claim 2 comprising:

exposing a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 to atmospheric humidity to provide a first composition.

17. The process according to claim 16 further comprising:

grinding the first composition into a powder; and

allowing the powder to stand in an open vessel.

18. A process for preparing the crystalline compound according to claim 2 comprising:

suspending a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 in water to provide a suspension.

19. The process according to claim 18 further comprising heating the suspension.

20. The process according to claim 19 further comprising cooling the suspension.

21. A pharmaceutical composition comprising the crystalline compound according to claim 3 and a pharmaceutically acceptable medium.

22. A method of treating a hepatitis C virus infection in a human comprising administering to the human an effective amount of the crystalline compound according to claim 3 .

23. The method according to claim 22 further comprising administering to the human another antiviral agent.

24. A process for preparing the crystalline compound according to claim 3 comprising:

exposing a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 to atmospheric humidity to provide a first composition.

25. The process according to claim 24 further comprising:

grinding the first composition into a powder; and

allowing the powder to stand in an open vessel.

26. A process for preparing the crystalline compound according to claim 3 comprising:

suspending a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 in water to provide a suspension.

27. The process according to claim 26 further comprising heating the suspension.

28. The process according to claim 27 further comprising cooling the suspension.

29. A pharmaceutical composition comprising the crystalline compound according to claim 4 and a pharmaceutically acceptable medium.

30. A method of treating a hepatitis C virus infection in a human comprising administering to the human an effective amount of the crystalline compound according to claim 4 .

31. The method according to claim 30 further comprising administering to the human another antiviral agent.

32. A process for preparing the crystalline compound according to claim 4 comprising:

exposing a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 to atmospheric humidity to provide a first composition.

33. The process according to claim 32 further comprising:

grinding the first composition into a powder; and

allowing the powder to stand in an open vessel.

34. A process for preparing the crystalline compound according to claim 4 comprising:

suspending a second crystalline compound represented by the formula (S P -4):

having an XRPD diffraction pattern substantially as shown in FIG. 3 or FIG. 4 in water to provide a suspension.

35. The process according to claim 34 further comprising heating the suspension.

36. The process according to claim 35 further comprising cooling the suspension.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 30, 2022
From: GILEAD PHARMASSET LLC
To: GILEAD SCIENCES, INC.
Reel/Frame 060218/0316 →
CHANGE OF NAME Recorded Apr 18, 2012
From: PHARMASSET, INC.
To: GILEAD PHARMASSET LLC
Reel/Frame 028070/0252 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 20, 2011
From: ROSS, BRUCE S.; SOFIA, MICHAEL JOSEPH; PAMULAPATI, GANAPATI REDDY; RACHAKONDA, SUGUNA; ZHANG, HAI-REN; CHUN, BYOUNG-KWON; WANG, PEIYUAN
To: PHARMASSET, INC.
Reel/Frame 026479/0901 →
Continuity (6)
Continuation In Part 12783680 · May 20, 2010
Provisional Application 61179923 · May 20, 2009
Provisional Application 61319513 · Mar 31, 2010
Provisional Application 61319548 · Mar 31, 2010
Provisional Application 61319513 · Mar 31, 2010
Related Publication 20110251152A1 · Oct 13, 2011