IP Library › Granted Patent US 8,669,275
Granted Patent B2
US 8,669,275 · App. 13/633,874 · Granted Mar 11, 2014

Deuterium-enriched donepezil

Inventor: Anthony W. Czarnik (Reno, NV)
Assignee: DeuteRx, LLC
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Quick Facts
Patent No.
US 8,669,275
App. No.
13/633,874
Granted
Mar 11, 2014
Kind
B2
Abstract

The present application describes deuterium-enriched donepezil, pharmaceutically acceptable salt forms thereof, and methods of treating using the same.

Claims (29)

1. A deuterium-enriched compound of formula I or a pharmaceutically acceptable salt thereof:

wherein the compound is selected from:

or a pharmaceutically acceptable salt thereof, wherein R 1 -R 9 and R 11 -R 29 are independently selected from H and D.

2. A compound of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

3. A compound of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

4. A compound of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

5. A compound of claim 1 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

6. A pharmaceutical composition, comprising: a pharmaceutically acceptable carrier and a therapeutically effective amount of a compound of claim 1 or a pharmaceutically acceptable salt form thereof.

7. A pharmaceutical composition of claim 6 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

8. A pharmaceutical composition of claim 6 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

9. A pharmaceutical composition of claim 6 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

10. A pharmaceutical composition of claim 6 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

11. A method for treating Alzheimer's disease comprising: administering, to a patient in need thereof, a therapeutically effective amount of a compound of claim 1 or a pharmaceutically acceptable salt form thereof.

12. A method of claim 11 ; wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

13. A method of claim 11 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

14. A method of claim 11 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

15. A method of claim 11 , wherein the compound is:

or a pharmaceutically acceptable salt form thereof.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 27, 2013
From: CZARNIK, ANTHONY W.
To: PROTIA, LLC
Reel/Frame 031090/0869 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 27, 2013
From: PROTIA, LLC
To: DEUTERIA PHARMACEUTICALS, INC.
Reel/Frame 031090/0915 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 27, 2013
From: DEUTERIA PHARMACEUTICALS, INC.
To: DEUTERX, LLC
Reel/Frame 031093/0302 →
Continuity (3)
Continuation 12196343 · Aug 22, 2008
Provisional Application 60971892 · Sep 12, 2007
Related Publication 20130090357A1 · Apr 11, 2013