IP Library Granted Patent US 12709608
Granted Patent B2
US 12709608 · App. 18/052,838 · Granted Aug 18, 2026

4-amino pyrimidine compounds for the treatment of cancer

Inventors: Venkatesan Srinivasan (Madison, WI); Frank H. Ebetino (Rochester, NY); Rintaro Hashizume (Chicago, IL); Robert K. Boeckman, Jr. (Glenfield, NY)
Assignees: University of Rochester; Ann & Robert H. Lurie Children's Hospital of Chicago
C07D401/14A61P35/00
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Quick Facts
Patent No.
US 12709608
App. No.
18/052,838
Granted
Aug 18, 2026
Kind
B2
Abstract

This patent document discloses novel compounds as inhibitors of the activity of the histone H3K27 demethylase JMJD3. Also disclosed are the use of the compounds and compositions thereof for the treatment of diseases and conditions mediated by JMJD3, in particular cancer, inflammation and autoimmune diseases.

Claims (79)

1 . A compound or a pharmaceutically acceptable salt thereof, wherein the compound is represented by Formula I,

Wherein:

L is a linker selected from the group consisting of C 1-6 alkylene, C 2-6 alkenylene, and C 2-6 alkynlene, each of which is optionally substituted with one or more substituents selected from C 1-6 alkyl, haloC 1-6 alkyl, halogen, wherein two or more C 1-6 alkyl substituents optionally link up to form a 3-6 membered ring;

M is selected from the group consisting of OR a , C(O)R b , 3-6 membered cycloalkylnone, 4-6 membered lactam, and 4-6 membered lactone;

R a is selected from the group consisting of H, C 1-6 alkyl, haloC 1-6 alkyl, C(O)C 1-6 alkyl, C(O)C 1-4 alkylene-(OC 2-4 alkylene) p -OC 1-4 alkyl;

R b is selected from the group consisting of haloC 1-4 alkyl, C 1-4 alkylene-OH, NR c R d ;

R c is H or C 1-4 alkyl;

R d is OH, OC 1-6 alkyl, OC 1-4 alkyleneC 6-10 aryl, OC 1-4 alkyleneC 5-10 heteroaryl, C 6-10 aryl, or C 5-10 heteroaryl, wherein the C 6-10 aryl or C 5- 10heteroaryl is optionally substituted with one or more substituents selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, and N(R e ) 2 ;

each R e is independently H or C 1-4 alkyl;

each R 1 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

each R 2 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

m and n are each an integer ranging from 0 to 4; and p is an integer ranging from 1 to 20,

provided the compound is not

2 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein M is OH, L is optionally substituted C 2-4 alkylene.

3 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein M is OH, and L is C 2-4 alkylene substituted with haloC 1-6 alkyl.

4 . The compound or the pharmaceutically acceptable salt thereof of claim 3 , wherein the haloC 1-6 alkyl is CF 3 .

5 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein M is OH, and L is C 3-6 alkylene wherein two substituents of the C 3-6 alkylene link up to form a 3-5 membered carbocyclic ring.

6 . The compound or the pharmaceutically acceptable salt thereof of claim 5 , wherein the two substituents of the C 3-6 alkylene link up to form a 3 membered carbocyclic ring.

7 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein L is C 2-6 alkylene, wherein M is selected from the group consisting of OR a , and R a is C(O)C 1-6 alkyl.

8 . The compound or the pharmaceutically acceptable salt thereof of claim 7 , wherein R a is C(O) tert butyl.

9 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein L is C 2-6 alkylene, wherein M is selected from the group consisting of OR a , and R a is C(O C 1-4 alkylene-(OC 2-4 alkylene) p -OC 1-4 alkyl.

10 . The compound or the pharmaceutically acceptable salt thereof of claim 9 , wherein p is 1-3.

11 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein L is C 2-6 alkylene, M is C(O)R b , and R b is selected from the group consisting of haloC 1-4 alkyl, C 1-4 alkylene-OH, and NR c R d .

12 . The compound or the pharmaceutically acceptable salt thereof of claim 11 , wherein R c is H or C 1-4 alkyl, and R d is OH or OC 1-2 alkyleneC 6 aryl.

13 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein L is C 2-6 alkylene, and M is selected from the group consisting of 3-6 membered cycloalkylnone, 4-6 membered lactam, and 4-6 membered lactone.

14 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is selected from the group consisting of

15 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is

16 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is

17 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is

18 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is

19 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is

20 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein the compound is

21 . A pharmaceutical formulation comprising a therapeutically effective amount of the compound or the pharmaceutically acceptable salt thereof of claim 1 and a pharmaceutically acceptable carrier.

22 . A method of treating a disease in a subject, comprising administering to the subject a therapeutically effective amount of a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein the disease is diffuse intrinsic pontine glioma (DIPG),

wherein the compound is represented by Formula I,

Wherein:

L is a linker selected from the group consisting of C 1-6 alkylene, C 2-6 alkenylene, and C 2-6 alkynlene, each of which is optionally substituted with one or more substituents selected from C 1-6 alkyl, haloC 1-6 alkyl, halogen, wherein two or more C 1-6 alkyl substituents optionally link up to form a 3-6 membered ring;

M is selected from the group consisting of OR a , C(O)R b , 3-6 membered cycloalkylnone, 4-6 membered lactam, and 4-6 membered lactone;

R a is selected from the group consisting of H, C 1-6 alkyl, haloC 1-6 alkyl, C (O) C 1-6 alkyl, C(O)C 1-4 alkylene-(OC 2-4 alkylene) p -OC 1-4 alkyl;

R b is selected from the group consisting of haloC 1-4 alkyl, C 1-4 alkylene-OH, NR c R d ;

R c is H or C 1-4 alkyl;

R d is OH, OC 1-6 alkyl, OC 1-4 alkyleneC 6-10 aryl, OC 1-4 alkyleneC 5-10 heteroaryl, C 6-10 aryl, or C 5-10 heteroaryl, wherein the C 6-10 aryl or C 5-10 heteroaryl is optionally substituted with one or more substituents selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, and N(R e ) 2 ;

each R e is independently H or C 1-4 alkyl;

each R 1 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

each R 2 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

m and n are each an integer ranging from 0 to 4; and p is an integer ranging from 1 to 20,

provided the compound is not

23 . A method of treating a disease in a subject, comprising administering to the subject a therapeutically effective amount of a compound of Formula I or a pharmaceutically acceptable salt thereof, wherein the disease is selected from the group consisting of glioblastomas, diffuse intrinsic pontine glioma (DIPG), ependymoma, T-cell acute lymphoblastic leukemia, acute myeloid leukemia, diffuse large B-cell lymphoma, neuroblastoma, prostate cancer, gastric cancer, multiple myeloma, rheumatoid arthritis, other arthritis, and bone metastases,

wherein the compound is represented by Formula I,

Wherein:

L is a linker selected from the group consisting of C 1-6 alkylene, C 2-6 alkenylene, and C 2-6 alkynlene, each of which is optionally substituted with one or more substituents selected from C 1-6 alkyl, haloC 1-6 alkyl, halogen, wherein two or more C 1-6 alkyl substituents optionally link up to form a 3-6 membered ring;

M is selected from the group consisting of OR a , C(O)R b , 3-6 membered cycloalkylnone, 4-6 membered lactam, and 4-6 membered lactone;

R a is selected from the group consisting of H, C 1-6 alkyl, haloC 1-6 alkyl, C (O) C 1-6 alkyl, C(O)C 1-4 alkylene-(OC 2-4 alkylene) p -OC 1-4 alkyl;

R b is selected from the group consisting of haloC 1-4 alkyl, C 1-4 alkylene-OH, NR c R d ;

R c is H or C 1-4 alkyl;

R d is OH, OC 1-6 alkyl, OC 1-4 alkyleneC 6-10 aryl, OC 1-4 alkyleneC 5-10 heteroaryl, C 6-10 aryl, or C 5-10 heteroaryl, wherein the C 6-10 aryl or C 5-10 heteroaryl is optionally substituted with one or more substituents selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, and N(R e ) 2 ;

each R e is independently H or C 1-4 alkyl;

each R 1 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

each R 2 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

m and n are each an integer ranging from 0 to 4; and p is an integer ranging from 1 to 20,

provided the compound is not

wherein the subjected has been determined to have a mutation selected from the group consisting of mutation of H3K27M, mutation of TP53 (H3.3 and H3.1 K27M-mutant DIPG), and mutation of ACVR1 (H3.1 K27M-mutant DIPG).

24 . A method of inhibiting JMJD3 histone H3K27 demethylase, comprising contacting the JMJD3 histone H3K27 demethylase a therapeutically effective amount of a compound of Formula I or a pharmaceutically acceptable salt thereof

wherein the compound is represented by Formula I,

Wherein:

L is a linker selected from the group consisting of C 1-6 alkylene, C 2-6 alkenylene, and C 2-6 alkynlene, each of which is optionally substituted with one or more substituents selected from C 1-6 alkyl, haloC 1-6 alkyl, halogen, wherein two or more C 1-6 alkyl substituents optionally link up to form a 3-6 membered ring;

M is selected from the group consisting of OR a , C(O)R b , 3-6 membered cycloalkylnone, 4-6 membered lactam, and 4-6 membered lactone;

R a is selected from the group consisting of H, C 1-6 alkyl, haloC 1-6 alkyl, C(O)C 1-6 alkyl, C(O)C 1-4 alkylene-(OC 2-4 alkylene) p -OC 1-4 alkyl;

R b is selected from the group consisting of haloC 1-4 alkyl, C 1-4 alkylene-OH, NR c R d ;

R c is H or C 1-4 alkyl;

R d is OH, OC 1-6 alkyl, OC 1-4 alkyleneC 6-10 aryl, OC 1-4 alkyleneC 5-10 heteroaryl, C 6-10 aryl, or C 5-10 heteroaryl, wherein the C 6-10 aryl or C 5-10 heteroaryl is optionally substituted with one or more substituents selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, and N(R e ) 2 ;

each R e is independently H or C 1-4 alkyl;

each R 1 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

each R 2 is independently selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, carboxamide, amido and N(R e ) 2 ;

m and n are each an integer ranging from 0 to 4; and p is an integer ranging from 1 to 20,

provided the compound is not

25 . The compound or the pharmaceutically acceptable salt thereof of claim 1 , wherein

R d is OC 1-6 alkyl, OC 1-4 alkyleneC 6-10 aryl, OC 1-4 alkyleneC 5-10 heteroaryl, C 6-10 aryl, or C 5 -10heteroaryl, wherein the C 6-10 aryl or C 5 -10heteroaryl is optionally substituted with one or more substituents selected from the group consisting of halogen, acyl, CN, haloalkyl, hydroxyl, C 1-6 alkyl, OC 1-6 alkyl, hydroxyC 1-6 alkyl, and N(R e ) 2 .

26 . The method of claim 22 , wherein the compound is