IP Library › Granted Patent US 9,249,145

Granted Patent B2

US 9,249,145 · App. 12/872,925 · Granted Feb 2, 2016

Heterocyclic derivatives of pyrazol-4-yl-pyrrolo[2,3-d]pyrimidines as janus kinase inhibitors

Inventors: James D. Rodgers (Landenberg, PA); Yun-Long Li (Chadds Ford, PA); Stacey Shepard (Wilmington, DE); Haisheng Wang (Hockessin, DE)

Assignees: Incyte Holdings Corporation; Incyte Corporation

C07D487/04

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Quick Facts

Patent No.: US 9,249,145
App. No.: 12/872,925
Granted: Feb 2, 2016
Kind: B2

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Abstract

The present invention provides heterocyclic derivatives of pyrazol-4-yl-pyrrolo[2,3-d]pyrimidines of Formula I: and pharmaceutically acceptable salts thereof, as well as their compositions and methods of use, that modulate the activity of Janus kinases (JAKs) and are useful in the treatment of diseases related to the activity of JAKs including, for example, inflammatory disorders, autoimmune disorders, cancer, and other diseases.

Claims (279)

1. A compound of Formula I:

or a pharmaceutically acceptable salt thereof; wherein:

A is C 3-14 cycloalkyl, C 2-13 heterocycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, wherein said C 3-14 cycloalkyl, C 2-13 heterocycloalkyl, C 6-14 aryl, and C 1-14 heteroaryl are each optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R 8 substituents;

each R 8 is independently selected from halo, cyano, nitro, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-14 cycloalkyl, C 3-14 cycloalkyl-C 1-4 -alkyl, C 2-14 heterocycloalkyl, C 2-14 heterocycloalkyl-C 1-4 -alkyl, C 6-14 aryl, C 6-14 aryl-C 1-4 -alkyl, C 1-13 heteroaryl, C 1-13 heteroaryl-C 1-4 -alkyl, —OR a , —SR a , —S(═O)R b , —S(═O) 2 R b , —S(═O)NR e R f , —C(═O)R b , —C(═O)OR b , —C(═O)NR e R f , —OC(═O)R b , —OC(═O)NR e R f , —NR e R f , —NR c C(═O)R d , —NR c C(═O)OR d , —NR c S(═O) 2 R d , and —NR b S(═O) 2 NR e R f ;

L is absent, C(═O), C(═O)NH, S(═O), or S(═O) 2 ;

X is CH or N;

Y is H, cyano, halo, C 1-4 alkyl, or C 1-4 haloalkyl;

Z is CR 7 or N;

R 1 , R 2 , and R 3 are each independently H, hydroxyl, halo, C 1-3 alkyl, or C 1-3 haloalkyl;

R 4 and R 5 are each independently H, C 1-3 alkyl, or C 1-3 haloalkyl;

or R 4 and R 5 together with the carbon atom to which they are attached can form a 3-, 4-, 5-, 6- or 7-membered cycloalkyl ring;

each R 6 is independently hydroxyl, fluorine, C 1-4 alkyl, hydroxy-C 1-4 -alkyl, C 1-4 alkoxy-C 1-4 -alkyl, or C 1-4 fluoroalkyl;

R 7 is H, fluorine, C 1-4 alkyl, or C 1-4 fluoroalkyl;

each R a , R b , R c , R d , R e , and R f is independently selected from H, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-7 cycloalkyl, C 3-7 cycloalkyl-C 1-4 -alkyl, C 2-7 heterocycloalkyl, C 2-7 heterocycloalkyl-C 1-4 -alkyl, C 6-14 aryl, C 6-14 aryl-C 1-4 -alkyl, C 1-7 heteroaryl, and C 1-7 heteroaryl-C 1-4 -alkyl; wherein said C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-7 cycloalkyl, C 3-7 cycloalkyl-C 1-4 -alkyl, C 2-7 heterocycloalkyl, C 2-7 heterocycloalkyl-C 1-4 -alkyl, C 6-14 aryl, C 6-14 aryl-C 1-4 -alkyl, C 1-7 heteroaryl, and C 1-7 heteroaryl-C 1-4 -alkyl are each optionally substituted by 1, 2, 3, or 4 groups independently selected from hydroxyl, halo, cyano, nitro, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino, and di-C 1-4 -alkylamino;

or any R c and R d , together with the moiety to which they are attached, can form a 3-, 4-, 5-, 6-, or 7-membered heterocycloalkyl ring optionally substituted with 1, 2, 3, or 4 groups independently selected from hydroxyl, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino, and di-C 1-4 -alkylamino;

or any R e and R f , together with the nitrogen atom to which they are attached, can form a 3-, 4-, 5-, 6- or 7-membered heterocycloalkyl ring or heteroaryl ring, wherein said heterocycloalkyl or heteroaryl ring is optionally substituted with 1, 2, 3, or 4 groups independently selected from hydroxyl, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 alkoxy, C 1-4 haloalkoxy, amino, C 1-4 alkylamino, and di-C 1-4 -alkylamino;

m is 0 or 1; and

n is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10;

provided that the valency of each atom in the optionally substituted moieties is not exceeded.

2. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof; wherein:

L is absent, C(═O), S(═O) or S(═O) 2 ;

R 1 , R 2 , and R 3 are each independently H, halo, C 1-3 alkyl, or C 1-3 haloalkyl; and

each R 6 is independently fluorine, C 1-4 alkyl, or C 1-4 fluoroalkyl.

3. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is C 3-14 cycloalkyl.

4. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is C 6-14 aryl.

5. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is phenyl.

6. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is C 1-14 heteroaryl, which is optionally substituted with 1 or 2 substituents independently selected from C 1-6 alkyl.

7. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is C 3-14 cycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, each of which is optionally substituted by 1, 2, 3, or 4 independently selected R 8 substituents.

8. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is C 3-14 cycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, wherein said C 3-14 cycloalkyl, C 6-14 aryl, and C 1-14 heteroaryl are each optionally substituted with 1 or 2 substituents independently selected from halo, cyano, C 1-6 alkyl, C 1-6 haloalkyl, —OR a , and —NR e R f .

9. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein A is cyclopropyl, phenyl, a pyrazole ring, a pyridine ring, an indazole ring, a thiophene ring, a furan ring, a pyrimidine ring, or an imidazole ring; wherein said phenyl, pyrazole ring, pyridine ring, indazole ring, thiophene ring, furan ring, pyrimidine ring, and imidazole ring are each optionally substituted with 1, 2, or 3 substituents independently selected from halo, cyano, C 1-6 alkyl, C 1-6 haloalkyl, —OR a , and —NR e R f .

10. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein each R 8 is independently selected from halo, cyano, nitro, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-7 cycloalkyl, C 2-9 heterocycloalkyl, C 6-10 aryl, C 1-9 heteroaryl, —OR a , —SR a , —S(═O)R b , —S(═O) 2 R b , —S(═O)NR e R f , —C(═O)R b , —C(═O)OR b , —C(═O)NR e R f , —OC(═O)R b , —OC(═O)NR e R f , —NR e R f , —NR c C(═O)R d , —NR c C(═O)OR d , —NR c S(═O) 2 R d , and —NR b S(═O) 2 NR e R f .

11. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein each R 8 is independently selected from halo, cyano, nitro, C 1-6 alkyl, C 1-6 haloalkyl, —OR a , —S(═O) 2 R b , —C(═O)OR b , —C(═O)NR e R f , —NR e R f , and —NR c C(═O)R d .

12. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein each R 8 is independently selected from halo, cyano, C 1-6 alkyl, C 1-6 haloalkyl, —OR a , and —NR e R f .

13. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein L is absent.

14. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein L is C(═O).

15. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein L is S(═O) 2 .

16. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein L is C(═O)NH.

17. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein X is CH.

18. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein X is N.

19. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein Y is H, cyano, or halo.

20. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein Y is H, cyano, methyl or fluoro.

21. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein Z is CR 7 .

22. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein Z is CH.

23. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein Z is N.

24. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein R 1 , R 2 , and R 3 are each H.

25. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein R 4 and R 5 are each H.

26. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein each R 6 is C 1-4 alkyl.

27. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein m is 1.

28. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein n is 0.

29. A compound according to claim 2 , having formula II:

or a pharmaceutically acceptable salt thereof.

30. A compound according to claim 2 , having formula IIa:

or a pharmaceutically acceptable salt thereof.

31. A compound according to claim 2 , having formula IIb:

or a pharmaceutically acceptable salt thereof.

32. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein:

A is C 3-14 cycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, each optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R 8 substituents;

L is C(═O) or S(═O) 2 ;

X is N;

Y is H, cyano, or halo;

Z is CH or N;

R 1 , R 2 , R 3 , R 4 , and R 5 are each H;

m is 0;

n is 0; and

33. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein:

A is C 3-14 cycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, each optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R 8 substituents;

each R 8 is independently selected from halo, cyano, nitro, C 1-6 alkyl, C 1-6 haloalkyl, —OR a , —S(═O) 2 R b , —C(═O)OR b , —C(═O)NR e R f , —NR e R f , and —NR c C(═O)R d ;

L is C(═O) or S(═O) 2 ;

X is N;

Y is H, cyano, or halo;

Z is CH or N;

R 1 , R 2 , R 3 , R 4 , and R 5 are each H;

m is 0;

n is 0; and

34. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein:

A is C 3-14 cycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, wherein said C 3-14 cycloalkyl, C 6-14 aryl, and C 1-14 heteroaryl are each optionally substituted with 1, 2, or 3 independently selected R 8 substituents;

each R 8 is independently selected from halo, cyano, C 1-6 alkyl, C 1-6 haloalkyl, —OR a , and —NR e R f ;

L is absent, C(═O), C(═O)NH, or S(═O) 2 ;

X is N or CH;

Y is H, cyano, methyl, or fluoro;

Z is CH or N;

R 1 , R 2 , R 3 , R 4 , and R 5 are each H;

each R 6 is C 1-4 alkyl;

m is 0 or 1;

n is 0 or 1;

35. The compound according to claim 2 , or a pharmaceutically acceptable salt thereof, wherein:

A is C 3-14 cycloalkyl, C 6-14 aryl, or C 1-14 heteroaryl, each optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R 8 substituents;

each R 8 is independently selected from halo, cyano, and C 1-6 alkyl;

L is C(═O) or S(═O) 2 ;

X is N;

Y is H, cyano, or fluoro;

Z is CH or N;

R 1 , R 2 , R 3 , R 4 , and R 5 are each H;

m is 0; and

n is 0.

36. A compound according to claim 2 , having a formula selected from:

or a pharmaceutically acceptable salt thereof.

37. A compound according to claim 2 , having a formula selected from:

or a pharmaceutically acceptable salt thereof.

38. A compound according to claim 2 , having a formula selected from:

or a pharmaceutically acceptable salt thereof.

39. A compound according to claim 1 , wherein said compound is selected from:

4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]benzonitrile;

4-[4-(3,5-difluorobenzoyl)piperazin-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{4-[(1-methyl-1H-pyrazol-3-yl)sulfonyl]piperazin-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[1-(cyclopropylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[1-(2,4-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{1-[(1-methyl-1H-pyrazol-3-yl)sulfonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[1-(4-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[1-(1-methyl-2-{4-[(1-methyl-1H-pyrazol-3-yl)sulfonyl]piperazin-1-yl}ethyl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine; and

4-(1-(1-fluoro-3-(4-(1-methyl-1H-pyrazol-3-ylsulfonyl)piperazin-1-yl)propan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

or a pharmaceutically acceptable salt thereof.

40. A compound according to claim 1 , wherein said compound is selected from:

4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile;

4-[(4-{3-cyano-2-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile;

4-{4-[4-(difluoromethyl)-2-fluorobenzoyl]piperazin-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]-3,5-difluorobenzonitrile;

4-{4-[(5-chloro-3-fluoropyridin-2-yl)carbonyl]piperazin-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

6-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]-5-fluoronicotinonitrile;

4-[4-(3-fluoro-4-methoxybenzoyl)piperazin-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-(4-{[3-fluoro-5-(trifluoromethyl)pyridin-2-yl]carbonyl}piperazin-1-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

6-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]nicotinonitrile;

4-{4-[(5-fluoropyridin-2-yl)carbonyl]piperazin-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(1H-indazol-5-ylsulfonyl)piperazin-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(4-fluoro-2-methylphenyl)piperazine-1-carboxamide;

4-[((3R)-4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-3-methylpiperazin-1-yl)carbonyl]-3-fluorobenzonitrile;

4-[((3 S)-4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-3-methylpiperazin-1-yl)carbonyl]-3-fluorobenzonitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-chloro-2-fluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-chloro-2,6-difluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-4-methylbenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2,4,6-trifluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2,4-difluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-4-hydroxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-5-(trifluoromethyl)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2,3-difluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2,3-difluoro-4-methoxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-6-hydroxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluoro-3-methylbenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(5-chloropicolinoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-chloro-4-fluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3,5-difluoropicolinoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-5-(trifluoromethoxy)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(thiophene-2-carbonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluoro-3-methoxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3-chloro-4-methoxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-4-(trifluoromethyl)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3-chloro-5-fluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluoro-2-methylbenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2,3,4-trifluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluoro-3-(trifluoromethoxy)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3,4-difluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-fluoro-3-(trifluoromethoxy)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-methoxythiophene-3-carbonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3-chloro-5-(trifluoromethoxy)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3-chloro-4-hydroxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3,5-difluoro-4-methoxybenzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3-fluoro-4-(trifluoromethyl)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluoro-3-(trifluoromethyl)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-picolinoylpiperazin-1-yl)butanenitrile;

6-(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)piperazine-1-carbonyl)nicotinonitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(4-fluoro-2-(trifluoromethyl)benzoyl)piperazin-1-yl)butanenitrile;

2-(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)piperazin-1-ylsulfonyl)benzonitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(3,5-difluorophenylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2,5-difluorophenylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(5-methylpyridin-2-ylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(6-methylpyridin-2-ylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(pyridin-3-ylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(2-(trifluoromethyl)phenylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(thiophen-2-ylsulfonyl)piperazin-1-yl)butanenitrile;

3-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-4-(4-(5-chlorothiophen-2-ylsulfonyl)piperazin-1-yl)butanenitrile;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2,6-difluorophenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2,6-dichlorophenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2-chloro-6-methylphenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2,4-difluorophenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2-fluoro-3-(trifluoromethyl)phenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2-(difluoromethoxy)phenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2-(trifluoromethoxy)phenyl)piperazine-1-carboxamide;

4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)-N-(2-(trifluoromethyl)phenyl)piperazine-1-carboxamide;

4-(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyanopropyl)piperazine-1-carbonyl)-3-hydroxybenzonitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(2-fluoro-4-(trifluoromethyl)benzoyl)piperazin-1-yl)butanenitrile;

4-(4-(2-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-3-cyanopropyl)piperazine-1-carbonyl)-3,5-difluorobenzonitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(3,5-difluoropicolinoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(3,5-difluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(3-fluoro-4-methoxybenzoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(5-fluoropicolinoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(5-chloro-3-fluoropicolinoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(4-fluoro-3-(trifluoromethoxy)benzoyl)piperazin-1-yl)butanenitrile;

3-(4-(2-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-3-cyanopropyl)piperazine-1-carbonyl)-5-fluorobenzonitrile;

6-(4-(2-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-3-cyanopropyl)piperazine-1-carbonyl)-5-fluoronicotinonitrile;

4-(4-(2-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-3-cyanopropyl)piperazine-1-carbonyl)benzonitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(3-fluoro-5-(trifluoromethyl)picolinoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(2,4-difluorobenzoyl)piperazin-1-yl)butanenitrile;

3-(3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl)-4-(4-(4-(difluoromethyl)-2-fluorobenzoyl)piperazin-1-yl)butanenitrile;

4-{1-[1-methyl-2-(4-{[5-methyl-2-(trifluoromethyl)-3-furyl]sulfonyl}piperazin-1-yl)ethyl]-1H-pyrazol-4-yl}-7H-pyrrolo[2,3-d]pyrimidine;

4-[1-(2-{4-[(5-chloro-2-thienyl)sulfonyl]piperazin-1-yl}-1-methylethyl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

2-[(4-{2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)sulfonyl]benzonitrile;

4-(1-{2-[4-(2,4-difluorobenzoyl)piperazin-1-yl]-1-methylethyl}-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-[1-(2-{4-[(3-fluorophenyl)sulfonyl]piperazin-1-yl}-1-methylethyl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

4-[4-(2-fluoro-4-hydroxybenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(4-fluorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(2,4-difluorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(4-chloro-2-fluorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(2-fluorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

2-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-1,4-diazepan-1-yl)sulfonyl]benzonitrile;

4-[4-(2,4-dichlorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(4-amino-2-fluorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(4-chloro-2-methylbenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(4-chloro-2-methoxybenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-[4-(4-chlorobenzoyl)-1,4-diazepan-1-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{4-[(2-methylphenyl)sulfonyl]-1,4-diazepan-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-4-(4-{[2-(trifluoromethyl)phenyl]sulfonyl}-1,4-diazepan-1-yl)butanenitrile;

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-4-(4-{[2-(trifluoromethoxy)phenyl]sulfonyl}-1,4-diazepan-1-yl)butanenitrile;

4-{4-[(2,5-dimethoxyphenyl)sulfonyl]-1,4-diazepan-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{4-[(5-chloro-2-methoxyphenyl)sulfonyl]-1,4-diazepan-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{4-[(2-phenoxyphenyl)sulfonyl]-1,4-diazepan-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{4-[(5-bromo-2-methoxyphenyl)sulfonyl]-1,4-diazepan-1-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanenitrile;

4-{1-[1-({4-[(1-methyl-1H-pyrazol-3-yl)sulfonyl]piperazin-1-yl}methyl)propyl]-1H-pyrazol-4-yl}-7H-pyrrolo[2,3-d]pyrimidine;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(4-fluorophenyl)methanone;

2-[(4-{2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butyl}piperazin-1-yl)carbonyl]phenol;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(2,4-difluorophenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(2,5-difluorophenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(2,3-difluorophenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(3,5-difluorophenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(2-chloro-4-hydroxyphenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(2-fluoro-4-hydroxyphenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(4-chloro-2-fluorophenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(4-fluoro-2-methoxyphenyl)methanone;

(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-yl)(thiophen-2-yl)methanone;

4-(1-(1-(4-(phenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

2-(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-ylsulfonyl)benzonitrile;

4-(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-ylsulfonyl)benzonitrile;

4-(1-(1-(4-(2-(trifluoromethyl)phenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(6-methylpyridin-2-ylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(2-chlorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-ylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(thiophen-2-ylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(3-chlorothiophen-2-ylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(3-fluorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(4-fluorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(2-chlorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

3-(4-(2-(4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)butyl)piperazin-1-ylsulfonyl)benzonitrile;

4-(1-(1-(4-(2,4-difluorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(2,5-difluorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(3,5-difluorophenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(4-fluoro-2-methylphenylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(1,2-dimethyl-1H-imidazol-4-ylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1-(4-(5-bromothiophen-2-ylsulfonyl)piperazin-1-yl)butan-2-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-{[4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-3-(hydroxymethyl)piperazin-1-yl]carbonyl}-3-fluorobenzonitrile;

4-{[4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-3-(methoxymethyl)piperazin-1-yl]carbonyl}-3-fluorobenzonitrile;

4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-3-fluoromethylpiperazin-1-yl)carbonyl]-3-fluorobenzonitrile;

4-{[4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-3-(difluoromethyl)piperazin-1-yl]carbonyl}-3-fluorobenzonitrile;

4-{[4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-2-(hydroxymethyl)piperazin-1-yl]carbonyl}-3-fluorobenzonitrile;

4-[((2R)-4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-2-methylpiperazin-1-yl)carbonyl]-3-fluorobenzonitrile; and

4-[((2S)-4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}-2-methylpiperazin-1-yl)carbonyl]-3-fluorobenzonitrile or a pharmaceutically acceptable salt thereof.

41. The compound according to claim 2 , wherein the compound is the (R)-enantiomer, or a pharmaceutically acceptable salt thereof.

42. The compound according to claim 2 , wherein the compound is the (S)-enantiomer, or a pharmaceutically acceptable salt thereof.

43. A composition comprising a compound according to claim 1 , or a pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable carrier.

44. A method of inhibiting an activity of JAK1 comprising contacting JAK1 with a compound according to claim 1 , or a pharmaceutically acceptable salt thereof.

45. A method according to claim 44 , wherein said compound, or pharmaceutically acceptable salt thereof, is selective for JAK1 over JAK2.

46. A method of treating a disease selected from multiple myeloma, rheumatoid arthritis, primary myelofibrosis (PMF), polycythemia vera (PV), essential thrombocythemia (ET), myeloid metaplasia with myelofibrosis (MMM), chronic myelogenous leukemia (CML), chronic myelomonocytic leukemia (CMML), hypereosinophilic syndrome (HES), idiopathic myelofibrosis (IMF), and systemic mast cell disease (SMCD) in a patient in need thereof, comprising administering to said patient a therapeutically effective amount of a compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein treating refers to inhibiting or ameliorating the disease.

47. A composition comprising a compound according to claim 2 , or a pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable carrier.

48. A compound, which is 4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile, or a pharmaceutically acceptable salt thereof.

49. The compound of claim 48 , which is (R)-4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile, or a pharmaceutically acceptable salt thereof.

50. The compound of claim 48 , which is (S)-4-[(4-{3-cyano-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile, or a pharmaceutically acceptable salt thereof.

51. A compound, which is 4-[(4-{3-cyano-2-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile, or a pharmaceutically acceptable salt thereof.

52. The compound of claim 51 , which is (R)-4-[(4-{3-cyano-2-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile, or a pharmaceutically acceptable salt thereof.

53. The compound of claim 51 , which is (S)-4-[(4-{3-cyano-2-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]propyl}piperazin-1-yl)carbonyl]-3-fluorobenzonitrile, or a pharmaceutically acceptable salt thereof.

54. The method of claim 46 , wherein the disease is primary myelofibrosis (PMF).

55. The method of claim 46 , wherein the disease is polycythemia vera (PV).

56. The method of claim 46 , wherein the disease is essential thrombocythemia (ET).

Assignments (3)

CORRECTIVE ASSIGNMENT TO CORRECT THE OMMISSION OF SECOND RECEIVING PARTY NAME PREVIOUSLY RECORDED AT REEL: 035292 FRAME: 0004. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Jul 2, 2015

From: INCYTE CORPORATION

To: INCYTE HOLDINGS CORPORATION; INCYTE CORPORATION

Reel/Frame 036054/0696 →

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 16, 2015

From: INCYTE CORPORATION

To: INCYTE HOLDINGS CORPORATION AND INCYTE CORPORATION

Reel/Frame 035924/0004 →

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 2, 2010

From: RODGERS, JAMES D.; LI, YUN-LONG; SHEPARD, STACEY; WANG, HAISHENG

To: INCYTE CORPORATION

Reel/Frame 025436/0796 →

Continuity (2)

Provisional Application 61238794 · Sep 1, 2009

Related Publication 20110059951A1 · Mar 10, 2011