IP Library Granted Patent US 9,745,248
Granted Patent B2
US 9,745,248 · App. 14/883,852 · Granted Aug 29, 2017

Aspirin derivatives and uses thereof

Inventor: Shengmin Sang (Concord, NC)
Assignee: North Carolina Agricultural and Technical State University
C07C69/78C07C49/835C07C49/86C07C69/86
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Quick Facts
Patent No.
US 9,745,248
App. No.
14/883,852
Granted
Aug 29, 2017
Kind
B2
Abstract

The present invention provides novel aspirin derivatives useful for preventing and/or treating cancer. The novel compounds of this invention may be particularly useful for the prevention and/or treatment of cancers affecting the gastrointestinal system, such as colorectal cancer.

Claims (36)

1. A compound having the following structure

or a pharmaceutically acceptable salt or prodrug thereof,

wherein:

R E is —O—C(O)—C 1-3 alkyl;

R F is

wherein n=3, 5, or 7; and

R G is —H or C 1-6 alkyl.

2. The compound of claim 1 , wherein

R G is —H or -Me; and

R E is —O—C(O)-Me, —O—C(O)-Et, or —O—C(O)—Pr.

3. The compound of claim 1 , wherein R E is —O—C(O)-Me and R G is -Me.

4. The compound of claim 2 , wherein R F is

and n=3, 5, or 7.

5. The compound of claim 2 , wherein R F is

and n=3, 5, or 7.

6. The compound of claim 1 , wherein said compound has the following structure:

7. The compound of claim 1 , wherein said compound has the following structure:

8. A pharmaceutical composition, comprising:

a compound having the follow structure:

or a pharmaceutically acceptable salt, and

a pharmaceutically acceptable carrier,

wherein:

R E is —O—C(O)—C 1-3 alkyl;

R F is

wherein n=3, 5 or 7; and

R G is —H or C 1-6 alkyl.

9. The pharmaceutical composition of claim 8 , wherein

R G is —H or -Me; and

R E is —O—C(O)-Me, —O—C(O)-Et, or —O—C(O)—Pr.

10. The pharmaceutical composition of claim 9 , wherein R E is —O—C(O)-Me and R G is -Me.

11. The pharmaceutical composition of claim 9 , wherein R F is

and n=3, 5, or 7.

12. The pharmaceutical composition of claim 9 , wherein R F is

and n=3, 5, or 7.

13. The pharmaceutical composition of claim 8 , wherein said compound has the following structure:

14. The pharmaceutical composition of claim 8 , wherein said compound has the following structure:

Assignments (1)
CONFIRMATORY LICENSE Recorded Nov 24, 2017
From: NORTH CAROLINA AGRI & TECH ST UNIV
To: NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT
Reel/Frame 044205/0684 →
Continuity (4)
Continuation 13918394 · Jun 14, 2013
Provisional Application 61791826 · Mar 15, 2013
Provisional Application 61659647 · Jun 14, 2012
Related Publication 20160068468A1 · Mar 10, 2016