Pyrazolyl substituted pyrrolo[2,3-b]pyrimidines as Janus kinase inhibitors

1. A compound of Formula II:

or a pharmaceutically acceptable salt thereof, wherein:

X is N;

n is 1and Y is C 1-8 alkylene, C 2-8 alkenylene, (CR 11 R 12 ) p C(O)(CR 11 R 12 ) q , (CR 11 R 12 ) p C(O)NR C (CR 11 R 12 ) q , (CR 11 R 12 ) p C(O)O(CR 11 R 12 ) q ,or (CR 11 R 12 ) p OC(O)(CR 11 R 12 ) q , wherein said C 1-8 alkylene or C 2-8 alkenylene is optionally substituted with 1, 2,or 3 halo, OH, CN, amino, C 1-4 alkylamino, or C 2-8 dialkylamino;

Z is aryl, cycloalkyl, heteroaryl, or heterocycloalkyl, each optionally substituted with 1, 2, 3, 4, 5, or 6 substituents independently selected from halo, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 haloalkyl, C 1-4 hydroxyalkyl, C 1-4 , cyanoalkyl, Cy 1 , CN, NO 2 , OR a , SR a , C(O )R b , C(O)NR c R d , C(O)OR a , OC(O)R b , OC(O)NR c R d , NR c R d , NR c C(O)R b , NR c C(O)NR c R d , NR c C(O)OR a , S(O)R b , S(O)NR c R d , S(O) 2 R b , NR c S(O) 2 R b , and S(O) 2 NR c R d ;

Cy 1 is independently selected from aryl, heteroaryl, cycloalkyl, and heterocycloalkyl, each optionally substituted by 1, 2, 3, 4 or 5 substituents independently selected from halo, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 haloalkyl, C 1-4 cyanoalkyl, CN, NO 2 , OR a″ , SR a″ , C(O)R b″ , C(O)NR c″ R d″ , C(O)OR a″ , OC(O)R b″ , OC(O)NR c″ R d″ , NR c″ R d″ , NR c″ C(O)R b″ , NR c″ C(O)OR a″ ,NR c″ S(O)R b″ , NR c″ S(O) 2 R b″ , S(O)R b″ , S(O)NR c″ R d″ , S(O ) 2 R b″ , and S(O) 2 NR c″ R d″ ;

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

R 11 and R 12 are independently selected from H, halo, OH, CN, C 1-4 alkyl, C 1-4 haloalkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 hydroxyalkyl, C 1-4 cyanoalkyl, aryl, heteroaryl, cycloalkyl, and heterocycloalkyl;

R a and R a″ are independently selected from H, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl and heterocycloalkylalkyl, wherein said C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl or heterocycloalkylalkyl is optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C 1-6 alkyl, C 1-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl and heterocycloalkyl;

R b and R b″ are independently selected from H, C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl and heterocycloalkylalkyl, wherein said C 1-6 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, cycloalkyl, heteroaryl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl or heterocycloalkylalkyl is optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C 1-6 alkyl, C 1-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl and heterocycloalkyl;

R c and R d are independently selected from H, C 1-10 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl and heterocycloalkylalkyl, wherein said C 1-10 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl or heterocycloalkylalkyl is optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C 1-6 alkyl, C 1-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl or heterocycloalkyl;

or R c and R d together with the N atom to which they are attached form a 4-, 5-, 6- or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C 1-6 alkyl, C 1-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl and heterocycloalkyl;

R c″ and R d″ are independently selected from H, C 1-10 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl and heterocycloalkylalkyl, wherein said C 1-10 alkyl, C 1-6 haloalkyl, C 2-6 alkenyl, C 2-6 alkynyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, arylalkyl, heteroarylalkyl, cycloalkylalkyl or heterocycloalkylalkyl is optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C 1-6 alkyl, C 1-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl and heterocycloalkyl;

or R c″ and R d″ together with the N atom to which they are attached form a 4-, 5-, 6- or 7-membered heterocycloalkyl group optionally substituted with 1, 2, or 3 substituents independently selected from OH, CN, amino, halo, C 1-6 alkyl, C 1-6 haloalkyl, aryl, arylalkyl, heteroaryl, heteroarylalkyl, cycloalkyl and heterocycloalkyl;

p is 0, 1, 2, 3, 4, 5, or 6; and

q is 0, 1, 2, 3, 4, 5 or 6.

2. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein n is 1 and Y is C 1-8 alkylene, (CR 11 R 12 ) p C(O)(CR 11 R 12 ) q , (CR 11 R 12 ) p C(O)NR c (CR 11 R 12 ) q , or (CR 11 R 12 ) p C(O)O(CR 11 R 12 ) q , wherein said C 1-8 alkylene is optionally substituted with 1, 2, or 3 halo, OH, CN, amino, C 1-4 alkylamino, or C 2-8 dialkylamino.

3. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein n is 1 and Y is C 1-8 alkylene optionally substituted with 1, 2, or 3 halo, OH, CN, amino, C 1-4 alkylamino, or C 2-8 dialkylamino.

4. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein n is 1 and Y is (CR 11 R 12 ) p C(O)(CR 11 R 12 ) q (CR 11 R 12 ) p C(O)NR c (CR 11 R 12 ) q , or (CR 11 R 12 ) p C(O)O(CR 11 R 12 ) q .

5. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein p is 0.

6. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein p is 1.

7. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein p is 2.

8. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein q is 0.

9. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein q is 1.

10. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein q is 2.

11. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein one of p and q is 0 and the other of p and q is 1,2, or 3.

12. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein Z is substituted with 1, 2, 3, 4, 5, or 6 independently selected substituents, wherein at least one of said substituents comprises at least one CN group.

13. A composition comprising a compound of claim 1 , or pharmaceutically acceptable salt thereof, and at least one pharmaceutically acceptable carrier.

14. The composition of claim 13 which is suitable for topical administration.

15. The compound of claim 1 , or pharmaceutically acceptable salt thereof, wherein Z is cycloalkyl, optionally substituted with 1, 2, 3, 4, 5, or 6 substituents independently selected from halo, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 haloalkyl, C 1-4 hydroxyalkyl, C 1-4 cyanoalkyl, Cy 1 , CN, NO 2 , OR a , SR a , C(O)R b , C(O)NR c R d , C(O)OR a , OC(O)R b , OC(O)NR c R d , NR c R d , NR c C(O)R b , NR c C(O)NR c R d , NR c C(O)OR a , S(O)R b , S(O)NR c R d , S(O) 2 R b , NR c S(O) 2 R b , and S(O) 2 NR c R d .

16. The compound of claim 1 , selected from:

4-{1-[pyrrolidin-2-ylmethyl]-1H-pyrazol-4-yl}-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-[1-(methylsulfonyl)pyrrolidin-2-yl]methyl-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]-pyrimidine;

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

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

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

3-(3-furyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile; and

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

or a pharmaceutically acceptable salt of any of the aforementioned.

17. The compound of claim 1 , selected from:

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

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

3-(2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl)-cyclopentane-carbonitrile;

3-[3-(hydroxymethyl)cyclopentyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

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

3-[4-(methylthio)phenyl]-3-[4-(7H-pyrrolo[2,3- d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

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

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

3-[4-(methylsulfinyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[4-(methylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[3-(cyanomethoxy)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(6-chloropyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}pyridine-2-carbonitrile;

3-(3,5-dimethylisoxazol-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol- 1-yl]-3-[6-(trifluoromethyl)pyridin-3-yl]-propanenitrile;

3-(6-methoxypyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propane-nitrile;

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

3-(6-bromopyridin-2-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

6-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}pyridine-2-carbonitrile;

3-(5-bromopyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}nicotinonitrile;

3-(2-methoxypyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propane-nitrile;

3-[4-(cyanomethoxy)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propane-nitrile;

3-[2-(cyanomethoxy)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(3,5-dibromophenyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}isophthalonitrile;

3-[6-(dimethylamino)pyridin-2-yl]-3-[4-(7H-pyrrolo[2,3- d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(4-bromo-2-thienyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}thiophene-3-carbonitrile;

3-(5-bromo-2-fluorophenyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

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

3-(5-bromo-2-methoxyphenyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-4-methoxybenzo-nitrile;

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

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

3-[5-bromo-2-(cyanomethoxy)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(4-bromo-2-furyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

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

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

2-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}isonicotinonitrile;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-3-furonitrile;

3-[2-bromo-5-(cyanomethoxy)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

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

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

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

4-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}pyridine-2-carbo-nitrile;

3-(5-methoxypyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propane-nitrile;

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

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

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

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

methyl 3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}benzoate;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}benzoic acid;

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

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

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)acetamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-methanesulfonamide;

4-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}thiophene-2-carbonitrile;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}thiophene-2-carbonitrile;

3-[3-(morpholin-4-ylcarbonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

N-(2-aminoethyl)-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-benzamide;

3-(5-formyl-3-thienyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-methylbenzamide;

2-cyano-N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-acetamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-nicotinamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-N′-isopropylurea;

isopropyl (3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-carbamate;

3-(5-phenylpyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-(3,3‘-bipyridin-5-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-(5-pyrimidin-5-ylpyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[5-(1-methyl-1H-pyrazol-4-yl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile; and

3-(5-ethynylpyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propane-nitrile;

or a pharmaceutically acceptable salt of any of the aforementioned.

18. The compound of claim 1 , selected from:

3-[5-(phenylthio)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(2-bromo-1,3-thiazol-5-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(5-morpholin-4-ylpyridin-3-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

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

3-(3-pyridin-3-ylphenyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-[5-(phenylsulfinyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[5-(phenylsulfonyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-3-[5-(1,3-thiazol-2-ylthio)pyridin-3-yl]propanenitrile;

3-[5-(ethylthio)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

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

1-phenyl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propan-1-one;

3-[5-(ethylsulfinyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[5-(ethylsulfonyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[5-(cyclohexylthio)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

1-phenyl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propan-1-ol;

3-[3-(ethylthio)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-[3-(ethylsulfinyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[3-(ethylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[5-(cyclohexylsulfonyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]-pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-[5-(cyclohexylsulfinyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

4-[1-(1-methyl-2-phenylethyl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

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

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

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

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

3-[3-(methylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-(3-pyridin-4-ylphenyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-[5-(isopropylthio)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[5-(isopropylsulfinyl)pyridin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-[5-(isopropylsulfonyl)pyridin-3-yl]3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-3-[5-(trifluoromethyl)pyridin-3-yl]-propanenitrile;

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

N-2-naphthyl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanamide;

N-1-naphthyl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanamide;

N-(3-cyanophenyl)-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanamide;

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

N-(4-phenoxyphenyl)-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-2-naphthyl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-(3-cyanophenyl)-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-biphenyl-4-yl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-(biphenyl-4-ylmethyl)-2-[4-(7H-pyrrolo[2,3- d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-(biphenyl-3-ylmethyl)-2-[4-(7H-pyrrolo[2,3- d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-(4-cyanophenyl)-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

N-1-naphthyl-2-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]butanamide;

5-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-phenylnicotin-amide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-3-(trifluoromethyl)benzamide;

N-(3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}phenyl)-3-(trifluoro-methyl)benzamide;

3-[3-(methylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

N-(3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}phenyl)benzene-sulfonamide;

3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}-N-[3-(trifluoromethyl)-phenyl]benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N,N-dimethyl-benzenesulfonamide;

N-benzyl-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}benzene-sulfonamide;

N-benzyl-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-phenylbenzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-[3-(trifluoro-methyl)phenyl]benzamide;

N-(3-cyanophenyl)-3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}-benzamide;

N-benzyl-3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}benzamide;

N-1-naphthyl-3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}benzamide;

N-2-naphthyl-3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}benzamide;

N-(3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}phenyl)-2-naphthamide;

N-(3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}phenyl)-1-naphthamide;

2-phenyl-N-(3-{[4-(7H-pyrrolo[2,3- d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}phenyl)-acetamide;

3-chloro-N-(3-{[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]methyl}phenyl)-benzamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-2-naphthamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-1-naphthamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-ethyl}phenyl)-2-phenylacetamide;

3-cyano-N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-benzamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-benzamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-4-(trifluoromethyl)benzamide;

N-(3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}phenyl)-N’-phenylurea;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-[4-(trifluoro-methyl)phenyl]benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-(4-methyl-phenyl)benzamide;

N-(4-cyanophenyl)-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-ethyl}benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-2-naphthyl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-1-naphthyl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N,N-dimethyl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-pyridin-3-yl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-methyl-N-phenyl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-cyclohexyl-benzamide;

N-(3-cyanophenyl)-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-benzamide;

N-biphenyl-4-yl-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d ]pyrimidin-4-yl)-1H-pyrazol-1-yl]-ethyl}benzamide;

N-(4-chlorophenyl)-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-ethyl}benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-(3,4-dimethyl-phenyl)benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-isoxazol-3-yl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-methyl-N-phenylbenzenesulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-propylbenzene-sulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-phenyl-benzenesulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-2-naphthyl-benzenesulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-cyclopropyl-benzenesulfonamide;

3-[3-(piperidin-1-ylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[3-(morpholin-4-ylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-(4-methylphenyl)-benzenesulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-(3,4-dimethyl-phenyl)benzenesulfonamide;

3-[3-(benzylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[3-(benzylthio)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

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

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-methylbenzene-sulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-1-naphthyl-benzenesulfonamide;

N-biphenyl-4-yl-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-benzenesulfonamide;

3-[3-(benzyloxy)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-cyclohexyl-benzenesulfonamide;

3-[3-(3,4-dihydroisoquinolin-2(1H)-ylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N,N-diethyl-benzenesulfonamide;

3-{3-[(4-ethylpiperazin-l-yl)sulfonyl]phenyl}-3-[4-(7H-pyrrolo[2,3-d]-pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

N-1,3-benzodioxo1-5-yl-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-ethyl}benzenesulfonamide;

3-{3-[(2,6-dimethylmorpholin-4-yl)sulfonyl]phenyl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

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

3-[3-(isopropylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

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

3-[3-(octahydroisoquinolin-2(1H)-ylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile; and

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

or a pharmaceutically acceptable salt of any of the aformentioned.

19. The compound of claim 1 selected from:

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

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-3-[3-(thiomorpholin-4-ylsulfonyl)-phenyl]propanenitrile;

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

3-[3-(isobutylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2 ,3 -d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-propanenitrile;

3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol -1-yl]-3-{3-[(tetrahydro-2H-pyran-4-ylmethyl)sulfonyl]phenyl}propanenitrile;

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

3-{3-[(1,1-dioxidothiomorpholin-4-yl)sulfonyl]phenyl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-p yrazol-1-yl]propanenitrile;

3-{3-[(pyridin-4-ylmethyl)sulfonyl]phenyl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

3-{3-hydroxy-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-y 1)-1H-pyrazol-1-yl]propyl}-N,N-dimethyl-benzenesulfonamide;

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

4-{1-[1-(3-bromophenyl)but-3-en-1-yl]-1H-pyrazol-4-yl}-7H-pyrrolo[2,3-d]pyrimidine;

3-{4,4-difluoro-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]but-3-en-1-yl}-benzonitrile;

4-(1-{4,4-difluoro-1-[3-(morpholin-4-ylsulfonyl)phenyl]but-3-en-1-yl}-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-{1-[3-(ethylsulfonyl)phenyl]-4,4-difluorobut-3-en-1-yl}-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-{1-[3-(benzyloxy)phenyl]-4,4-difluorobut-3-en-1-yl}-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]-pyrimidine;

4-(1-{4,4-difluoro-1-[3-(methylsulfonyl)phenyl]but-3-en-1-yl}-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

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

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

4-(1-{1-[3-(ethylsulfonyl)phenyl]-4,4-difluorobutyl}-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]-pyrimidine;

4-[1-(1-cyclopentylbut-3-en-1-yl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

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

4-[1-(1-cyclopentyl-4,4-difluorobut-3-en-1-yl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

4-1-[4,4-difluoro-1-(tetrahydrofuran-3-yl)but-3-en-1-yl]-1H-pyrazol-4-yl1-7H-pyrrolo[2,3-d]pyrimidine;

4-[1-(1-cyclopropyl-4,4-difluorobut-3-en-1-yl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

4-[1-(1-cyclopentyl-4,4-difluorobutyl)-1H-pyrazol-4-yl]-7H-pyrrolo[2,3-d]pyrimidine;

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

1-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}cyclopropane-carbonitrile;

3-[1-(methylsulfonyl)pyrrolidin-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

4-{1-[2,2,2-trifluoro-1-(1H-imidazol-2-ylmethyl)ethyl]-1H-pyrazol-4-yl}-7H-pyrrolo[2,3-d]pyrimidine;

4-(1-(1R)-2,2,2-trifluoro-1-[(4-methyl-1,3 -thiazol-2-yl)methyl]ethyl-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine;

4-{1-[1-(5-bromopyridin-3-yl)-4,4-difluorobut-3-e n-1-yl]-1H-pyrazol-4-yl}-7H-pyrrolo[2,3-d]pyrimidine;

5-{4,4-difluoro-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]but-3-en-1-yl}nicotinonitrile;

3-[3-(pyrrolidin-1-ylsulfonyl)phenyl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile;

N-benzyl-3-{2-cyano-1-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-methylbenzenesulfonamide;

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

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

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

3-{2-cyano-1-[4-(7H-pyrrolo-[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-(2-morpholin-4-ylethyl)-benzenesulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo-[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-[(1S)-1-phenylethyl]benzenesulfonamide;

3-{2-cyano-1-[4-(7H-pyrrolo-[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-phenyl-benzamide;

3-{2-cyano-1-[4-(7H-pyrrolo-[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]ethyl}-N-(tetrahydrofuran-2-yl-methyl)benzenesulfonamide;

3-{3-[(cyclopropylmethyl)sulfonyl]phenyl}-3-[4-(7 H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile trifluoroacetate;

3-{3-[(4-methylpiperazin-l-yl)-sulfonyl]phenyl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]propanenitrile; and

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

or a pharmaceutically acceptable salt of any of the aforementioned.

20. A compound of claim 1 , wherein said compound is 3-cyclopropyl-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-pyrazol-1-yl]-propionitrile; or a pharmaceutically acceptable salt thereof.

21. The compound of claim 15 , wherein Y is C 1-8 alkylene optionally substituted with 1, 2, or 3 halo, OH, CN, amino, C 1-4 alkylamino, or C 2-8 dialkylamino.