IP Library Granted Patent US 9,585,906
Granted Patent B2
US 9,585,906 · App. 14/656,546 · Granted Mar 7, 2017

Nucleoside phosphoramidate prodrugs

Inventors: Jinfa Du (Redwood City, CA); Dhanapalan Nagarathnam (Bethany, CT); Michael J. Sofia (Doylestown, PA); Peiyuan Wang (San Mateo, CA)
Assignee: Gilead Pharmasset LLC
A61K31/7072A61K45/06C07H19/06A61K31/706A61K31/7064A61K31/7068C07H19/04C07H19/073
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,585,906
App. No.
14/656,546
Granted
Mar 7, 2017
Kind
B2
Abstract

Disclosed herein are phosphoramidate prodrugs of nucleoside derivatives for the treatment of viral infections in mammals, which is a compound, its stereoisomer, salt (acid or basic addition salt), hydrate, solvate, or crystalline form thereof, represented by the following structure: Also disclosed are methods of treatment, uses, and processes for preparing each of which utilize the compound represented by formula I.

Claims (22)

1. A compound represented by the following formula:

wherein

(a) R 1 is phenyl;

(b) R 2 is hydrogen;

(c) R 3a is CH 3 ;

(d) R 3b is H;

(e) R 4 is t Pr, n Pr, n Bu, 2-butyl, t Bu, or benzyl;

(f) R 5 is H;

(g) R 6 is CH 3 ;

(h) X is F;

(i) Y is OH;

(j) R 7 is H; and

(k) R 8 is H.

2. The compound of claim 1 , having the following structure:

3. The compound of claim 1 , having the following structure:

4. The compound of claim 1 , having the following structure:

5. A pharmaceutical composition comprising a compound according to claim 1 and a pharmaceutically acceptable excipient.

6. A method of treating HCV comprising administering a therapeutically effective amount of a compound according to claim 1 to a human subject in need thereof.

7. The method of claim 6 further comprising administering to the human subject a therapeutically effective amount of a second antiviral agent.

8. The method of claim 7 wherein the second antiviral agent is an NS5A inhibitor.

9. The method of claim 7 wherein the second antiviral agent is an NS3 protease inhibitor.

10. The method of claim 6 further comprising administering to the human subject therapeutically effective amounts of an NS5A inhibitor and an NS3 protease inhibitor.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2022
From: GILEAD PHARMASSET LLC
To: GILEAD SCIENCES, INC.
Reel/Frame 058890/0229 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 7, 2015
From: SOFIA, MICHAEL JOSEPH; DU, JINFA; WANG, PEIYUAN; NAGARATHNAM, DHANAPALAN
To: PHARMASSET, INC.
Reel/Frame 035351/0087 →
CHANGE OF NAME Recorded Apr 7, 2015
From: PHARMASSET, INC.
To: GILEAD PHARMASSET LLC
Reel/Frame 035386/0358 →
Continuity (7)
Continuation 14013237 · Aug 29, 2013
Continuation 13609614 · Sep 11, 2012
Continuation 13099671 · May 3, 2011
Continuation 12053015 · Mar 21, 2008
Provisional Application 60909315 · Mar 30, 2007
Provisional Application 60982309 · Oct 24, 2007
Related Publication 20150231166A1 · Aug 20, 2015