IP Library Granted Patent US 10,556,881
Granted Patent B2
US 10,556,881 · App. 15/811,088 · Granted Feb 11, 2020

Nrf2 activating compounds and uses thereof

Inventors: Matthew Duncton (San Bruno, CA); Rajinder Singh (Belmont, CA)
Assignee: Rigel Pharmaceuticals, Inc.
C07D401/04C07D255/02C07D257/04
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Quick Facts
Patent No.
US 10,556,881
App. No.
15/811,088
Granted
Feb 11, 2020
Kind
B2
Abstract

Aspects of the present disclosure include compounds that activate Nrf2. Such compounds find use in the treatment of autoimmune and inflammatory diseases and disorders, such as for example psoriasis and multiple sclerosis. Embodiments of the present disclosure also relate to pharmaceutical compositions that include these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.

Claims (66)

1. A compound of formula (I):

wherein:

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

either Y 1 is sulfonyl and Y 2 is hydrogen, or Y 2 is sulfonyl and Y 1 is hydrogen; and

R 1 is R 15 , wherein R 15 comprises a linking group and a compound of formula (I);

or a salt or stereoisomer thereof.

2. The compound of claim 1 , wherein X 1 and X 2 are each N.

3. The compound of claim 1 , wherein X 1 is N and X 2 is CH.

4. The compound of claim 1 , wherein X 1 is CH and X 2 is N.

5. The compound of claim 1 , wherein sulfonyl is selected from alkyl-SO 2 —, substituted alkyl-SO 2 —, alkenyl-SO 2 —, substituted alkenyl-SO 2 —, cycloalkyl-SO 2 —, substituted cycloalkyl-SO 2 —, heterocycloalkyl-SO 2 —, substituted heterocycloalkyl-SO 2 —, aryl-SO 2 —, substituted aryl-SO 2 —, heteroaryl-SO 2 —, and substituted heteroaryl-SO 2 —.

6. The compound of claim 5 , wherein sulfonyl is alkyl-SO 2 —, substituted alkyl-SO 2 —, aryl-SO 2 —, or substituted aryl-SO 2 —.

7. The compound of claim 1 , wherein the linking group is —(CH 2 ) w —Z x —(CH 2 ) y —,

wherein

w is an integer from 1 to 6;

x is 0 or 1;

y is 0 or an integer from 1 to 6; and

Z is 0, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—.

8. The compound of claim 1 , wherein the compound is of the formula:

wherein

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

X 3 and X 4 are each independently selected from N and CH, wherein at least one of X 3 and X 4 is N;

X a′ and X a″ are each independently sulfonyl; and

Z is O, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—,

or a salt or stereoisomer thereof.

9. The compound of claim 1 , wherein the compound is of the formula:

wherein

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

X 3 and X 4 are each independently selected from N and CH, wherein at least one of X 3 and X 4 is N;

X a′ and X a″ are each independently sulfonyl; and

Z is O, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—,

or a salt or stereoisomer thereof.

10. The compound of claim 1 , wherein the compound is of the formula:

wherein

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

X 3 and X 4 are each independently selected from N and CH, wherein at least one of X 3 and X 4 is N;

X a′ and X a″ are each independently sulfonyl; and

Z is O, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—,

or a salt or stereoisomer thereof.

11. The compound of claim 1 , wherein the compound is of the formula:

wherein

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

X 3 and X 4 are each independently selected from N and CH, wherein at least one of X 3 and X 4 is N;

X a′ and X a″ are each independently sulfonyl; and

Z is O, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—,

or a salt or stereoisomer thereof.

12. The compound of claim 1 , wherein the compound is of the formula:

wherein

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

X 3 and X 4 are each independently selected from N and CH, wherein at least one of X 3 and X 4 is N;

X a′ and X a″ are each independently sulfonyl; and

Z is O, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—,

or a salt or stereoisomer thereof.

13. The compound of claim 1 , wherein the compound is of the formula:

wherein

X 1 and X 2 are each independently selected from N and CH, wherein at least one of X 1 and X 2 is N;

X 3 and X 4 are each independently selected from N and CH, wherein at least one of X 3 and X 4 is N;

X a′ and X a″ are each independently sulfonyl; and

Z is O, NH, —O—P(O)(OH)—O—, S, S(O), SO 2 or —O—S(O) 2 —O—,

or a salt or stereoisomer thereof.

14. A pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.

15. A method of activating Nrf2, the method comprising:

contacting Nrf2 with a compound of claim 1 , wherein the contacting is sufficient to increase the activity of Nrf2.

16. A method of treating a disease or disorder in a subject having said disease or disorder, the method comprising:

administering to the subject a pharmaceutically effective amount of a compound of claim 1 sufficient to treat the disease or disorder,

wherein the disease or disorder is an autoimmune disease or an inflammatory disease.

17. The method of claim 16 , wherein the disease or disorder is psoriasis or multiple sclerosis.

Assignments (3)
SECURITY INTEREST Recorded May 8, 2026
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FUNDING IV TRUST
Reel/Frame 075576/0880 →
SECURITY INTEREST Recorded Aug 25, 2022
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FINANCIAL TRUST
Reel/Frame 061327/0712 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 19, 2018
From: DUNCTON, MATTHEW; SINGH, RAJINDER
To: RIGEL PHARMACEUTICALS, INC.
Reel/Frame 044667/0567 →
Continuity (3)
Continuation 15423436 · Feb 2, 2017
Provisional Application 62290748 · Feb 3, 2016
Related Publication 20180258063A1 · Sep 13, 2018