IP Library Granted Patent US 12679850
Granted Patent B2
US 12679850 · App. 18/026,309 · Granted Jul 14, 2026

TYK2 inhibitors and uses thereof

Inventors: Bohan Jin (South San Francisco, CA); Qing Dong (South San Francisco, CA); Gene Hung (South San Francisco, CA)
Assignee: Alumis Inc.
C07D498/22
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Quick Facts
Patent No.
US 12679850
App. No.
18/026,309
Granted
Jul 14, 2026
Kind
B2
Abstract

Described herein are compounds of Formula (I) that are useful in treating a TYK2-mediated disorder. In some embodiments, the TYK2-mediated disorder is an autoimmune disorder, an inflammatory disorder, a proliferative disorder, an endocrine disorder, a neurological disorder, or a disorder associated with transplantation.

Claims (60)

1 . A compound of Formula (Ia) or Formula (If), or a pharmaceutically acceptable salt, or stereoisomer thereof:

wherein:

L is a C 1 -C 4 alkylene; wherein one or two carbon atoms are optionally replaced by a heteroatom selected from oxygen, sulfur, and nitrogen; and wherein L is optionally substituted with one or more R L ;

R L is independently selected for each occurrence from the group consisting of deuterium, halogen, —CN, —OR b , —NO 2 , —NR c R d , —C(═O)R a , —C(═O)OR b , —C(═O)NR c R d , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl;

or two R L on the same carbon are taken together to form an oxo, a cycloalkyl, or a heterocycloalkyl;

Ring A is a bicyclic heteroaryl or phenyl;

Ring B is a 5-6 membered cycloalkyl or a 5-6 membered heterocycloalkyl;

R A is independently selected for each occurrence from the group consisting of deuterium, halogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, aryl, and heteroaryl; wherein each alkyl, aryl, and heteroaryl is independently optionally substituted with one or more R A1 ;

R A1 is independently selected for each occurrence from the group consisting of deuterium, halogen, —CN, —OR b , —SR b , —S(═O)R a , —S(═O) 2 R a , —NO 2 , —NR c R d , —NHS(═O) 2 R a , —S(═O) 2 NR c R d , —C(═O)R a , —OC(═O)R a , —C(═O)OR b , —OC(═O)OR b , —C(═O)NR c R d , —OC(═O)NR c R d , —NR b C(═O)NR c R d , —NR b C(═O)R a , —NR b C(═O)OR b , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl;

n is 1 or 2;

each R B is independently selected for each occurrence from the group consisting of deuterium, halogen, —CN, —OR b , —SR b , —S(═O)R a , —S(═O) 2 R a , —NO 2 , —NR c R d , —NHS(═O) 2 R a , —S(═O) 2 NR c R d , —C(═O)R a , —OC(═O)R a , —C(═O)OR b , —OC(═O)OR b , —C(═O)NR c R d , —OC(═O)NR c R d , —NR b C(═O)NR c R d , —NR b C(═O)R a , —NR b C(═O)OR b , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl is independently optionally substituted with one or more R B1 ;

or two R B on the same carbon are taken together to form an oxo;

R B1 is independently selected for each occurrence from the group consisting of deuterium, halogen, —CN, —OR b , —SR b , —S(═O)R a , —S(═O) 2 R a , —NO 2 , —NR c R d , —NHS(═O) 2 R a , —S(═O) 2 NR c R d , —C(═O)R a , —OC(═O)R a , —C(═O)OR b , —OC(═O)OR b , —C(═O)NR c R d , —OC(═O)NR c R d , —NR b C(═O)NR c R d , —NR b C(═O)R a , —NR b C(═O)OR b , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl;

m is 0-4;

Y 3 is CR 3 ;

Y 6 is CR 6 ;

Y 8 is N;

Y 9 is N;

R 3 and R 6 are independently selected from the group consisting of hydrogen, deuterium, halogen, —CN, —OR b , —SR b , —S(═O)R a , —S(═O) 2 R a , —NO 2 , —NR c R d , —NHS(═O) 2 R a , —S(═O) 2 NR c R d , —C(═O)R a , —OC(═O)R a , —C(═O)OR b , —OC(═O)OR b , —C(═O)NR c R d , —OC(═O)NR c R d , —NR b C(═O)NR c R d , —NR b C(═O)R a , —NR b C(═O)OR b , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, and C 2 -C 6 alkynyl;

R 4 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 heteroalkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl are optionally substituted with one or more R 4a ;

R 4a is independently selected for each occurrence from the group consisting of deuterium, halogen, —CN, —OR b , —NR c R d , —C(═O)R a , —C(═O)OR b , —C(═O)NR c R d , C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl;

or two R 4a on the same carbon are taken together to form an oxo;

R 5 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, and C 1 -C 6 deuteroalkyl;

W is —O— or —NR 7 —;

R 7 is selected from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, and C 1 -C 6 deuteroalkyl;

R a is independently selected for each occurrence from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl is independently optionally substituted with one or more oxo, deuterium, halogen, —CN, —OH, —OMe, —NH 2 , —C(═O)Me, —C(═O)OH, —C(═O)OMe, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl;

R b is independently selected for each occurrence from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl is independently optionally substituted with one or more oxo, deuterium, halogen, —CN, —OH, —OMe, —NH 2 , —C(═O)Me, —C(═O)OH, —C(═O)OMe, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl; and

R c and R d are independently selected for each occurrence from the group consisting of hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 deuteroalkyl, C 1 -C 6 hydroxyalkyl, C 1 -C 6 aminoalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl; wherein each alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, and heteroaryl is independently optionally substituted with one or more oxo, deuterium, halogen, —CN, —OH, —OMe, —NH 2 , —C(═O)Me, —C(═O)OH, —C(═O)OMe, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl;

or R c and R d are taken together with the nitrogen atom to which they are attached to form a heterocycloalkyl optionally substituted with one or more oxo, deuterium, halogen, —CN, —OH, —OMe, —NH 2 , —C(═O)Me, —C(═O)OH, —C(═O)OMe, C 1 -C 6 alkyl, or C 1 -C 6 haloalkyl.

2 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

Ring A is selected from the group consisting of indolyl, indazolyl, benzimidazolyl, benzotriazolyl, benzothiophenyl, benzothiazolyl, benzofuranyl, and benzoxazolyl.

3 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

R 6 is hydrogen.

4 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

R 3 is hydrogen.

5 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

R 4 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, or C 1 -C 6 deuteroalkyl.

6 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

R 4 is C 1 -C 6 alkyl or C 1 -C 6 deuteroalkyl.

7 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

R 5 is hydrogen.

8 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

R 7 is hydrogen or C 1 -C 6 alkyl.

9 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

each R A is independently C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, or C 1 -C 6 deuteroalkyl.

10 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

each R A is independently C 1 -C 6 deuteroalkyl.

11 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

L is a C 2 -C 4 alkylene; wherein one carbon atom is optionally replaced by a heteroatom selected from oxygen, sulfur, and nitrogen; and wherein L is optionally substituted with one or more R L .

12 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

L is a C 2 -C 3 alkylene; wherein one carbon atom is optionally replaced by a heteroatom selected from oxygen, sulfur, and nitrogen; and wherein L is optionally substituted with one or more R L .

13 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

L is a C 2 -alkylene; wherein one carbon atom is optionally replaced by a heteroatom selected from oxygen, sulfur, and nitrogen; and wherein L is optionally substituted with one or more R L .

14 . The compound of claim 11 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

the heteroatom is an oxygen or a sulfur.

15 . The compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, wherein:

L is —CH 2 —O— or —O—CH 2 —.

16 . A compound selected from the group consisting of:

or a pharmaceutically acceptable salt or stereoisomer thereof.

17 . A pharmaceutical composition comprising a therapeutically effective amount of the compound of claim 1 , or a pharmaceutically acceptable salt or stereoisomer thereof, and a pharmaceutically acceptable excipient.