Substituted pyrimidinyl kinase inhibitors

1. A compound of Formula (Ia) (Ic), (IVa), or (IVb):

or a tautomer or a pharmaceutically acceptable salt thereof, wherein

R 1 is selected from the group consisting of H, halo, C 1-4 alkoxy, and cyano;

R 2 is selected from the group consisting of H, halo, and C 1-4 alkyl;

R 3 is selected from the group consisting of C 1-5 alkyl, haloC 1-4 alkyl, cyanoC 1-4 alkyl, C 3-6 cycloalkyl, oxetan-3-yl, 1-cyclopropylpiperidin-4-yl, tetrahydropyran-4-yl, phenyl, pyridin-2-yl, 3-fluoropyridin-2-yl, pyridin-3-yl, HC(O), R 3a C(O), R 3b S(O) 2 , and R 3c S(O) 2 ;

R 3a is selected from the group consisting of ethyl, cyanoC 1-4 alkyl C 1-4 alkoxy, C 1-4 alkoxyC 1-4 alkyl, N-morpholino, tetrahydropyran-4-yl, pyridin-3-yl, C 3-6 cycloalkyl, 1-cyanocyclopropyl, pyrrolidin-1-yl, and (R 3c ) 2 N;

R 3b is selected from the group consisting of cyclopropyl, pyridin-3-yl, 1-methyl-imidazol-4-yl, 1-methyl-pyrazol-4-yl, ethenyl, and (R 3c ) 2 N;

each R 3c is independently C 1-4 alkyl;

provided that when the compound is represented by formula Ia or formula IVa and R 3 is R 3c S(O) 2 , then R 3c is ethyl or isopropyl; and

provided that when the compound is represented by formula Ic or formula IVb, R 1 and R 2 are not both H.

2. The compound of claim 1 , wherein the compound is of Formula (Ia)

or a tautomer or a pharmaceutically acceptable salt thereof.

3. A compound of Formula (Ib):

or a tautomer or a pharmaceutically acceptable salt thereof, wherein

R 1 is selected from the group consisting of H, halo, C 1-4 alkoxy, and cyano;

R 2 is H or halo; and

R 3c is C 1-4 alkyl, wherein

R 1 and R 2 are not both H.

4. The compound of claim 1 , wherein the compound is of Formula (Ic)

or a tautomer or a pharmaceutically acceptable salt thereof.

5. The compound of claim 1 or a tautomer or a pharmaceutically acceptable salt thereof, wherein the compound is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-2-((4-(1- (ethylsulfonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- (cyclopropylsulfonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- (isopropylsulfonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- isopropylpiperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- (dimethylcarbamoyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(morpholine-4- carbonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- propionylpiperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

2-((4-(1-cyclopentylpiperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

methyl 4-(4-((5-carbamoyl-4- (cyclopropylamino)pyrimidin-2- yl)amino)phenyl)piperidine-1-carboxylate

ethyl 4-(4-((5-carbamoyl-4- (cyclopropylamino)pyrimidin-2- yl)amino)phenyl)piperidine-1-carboxylate

4-(cyclopropylamino)-2-((4-(1-(N,N- dimethylsulfamoyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(pyrrolidine-1- carbonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(tetrahydro-2H- pyran-4-yl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-ethylpiperidin- 4-yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- phenylpiperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(pyridin-3- yl)piperidin-4-yl)phenyl)amino)pyrimidine-5- carboxamide

4-(cyclopropylamino)-2-((4-(1-(pyridin-2- yl)piperidin-4-yl)phenyl)amino)pyrimidine-5- carboxamide

4-(cyclopropylamino)-2-((4-(1-(3- fluoropyridin-2-yl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

2-((4-(1-cyclobutylpiperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(oxetan-3- yl)piperidin-4-yl)phenyl)amino)pyrimidine-5- carboxamide

2-((4-(1-cyclohexylpiperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(2,2,2- trifluoroethyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(pentan-3- yl)piperidin-4-yl)phenyl)amino)pyrimidine-5- carboxamide

2-((4-(1-(2-cyanoacetyl)piperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(tetrahydro-2H- pyran-4-carbonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(pyridin-3- ylsulfonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-((1-methyl-1H- imidazol-4-yl)sulfonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-((1-methyl-1H- pyrazol-4-yl)sulfonyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- methylpiperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(2- methoxyacetyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

2-((4-(1-(cyclopropanecarbonyl)piperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- nicotinoylpiperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

2-((4-(1′-cyclopropyl-[1,4′-bipiperidin]-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

2-((4-(1-(1- cyanocyclopropanecarbonyl)piperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

2-((4-(1-(cyanomethyl)piperidin-4- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(2,2- difluoroethyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1- formylpiperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(1,3- difluoropropan-2-yl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(1-(2- fluoroethyl)piperidin-4- yl)phenyl)amino)pyrimidine-5-carboxamide

or a tautomer or a pharmaceutically acceptable salt thereof.

6. The compound of claim 3 , wherein the compound is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-2-((3-fluoro-4-(4- (methylsulfonyl)piperazin-1- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(4- (ethylsulfonyl)piperazin-1-yl)-3- fluorophenyl)amino)pyrimidine-5- carboxamide

2-((3-chloro-4-(4-(ethylsulfonyl)piperazin-1- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

2-((3-chloro-4-(4-(methylsulfonyl)piperazin- 1-yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino-2-((4-(4- (ethylsulfonyl)piperazin-1-yl)-3- methoxyphenyl)amino)pyrimidine-5- carboxamide

2-((3-cyano-4-(4-(methylsulfonyl)piperazin-1- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

2-((3-cyano-4-(4-(ethylsulfonyl)piperazin-1- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((3,5-difluoro-4-(4- (methylsulfonyl)piperazin-1- yl)phenyl)amino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-((4-(4- (ethylsulfonyl)piperazin-1-yl)-3,5- difluorophenyl)amino)pyrimidine-5- carboxamide

4-(cyclopropylamino)-2-((4-(4- (ethylsulfonyl)piperazin-1-yl)-3- methoxyphenyl)amino)pyrimidine-5- carboxamide

or a tautomer or a pharmaceutically acceptable salt thereof.

7. The compound of claim 4 , wherein the compound is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-2-((4-(4- (dimethylcarbamoyl)piperidin-1-yl)-3- methoxyphenyl)amino)pyrimidine-5- carboxamide

4-(cyclopropylamino)-2-((4-(4- (dimethylcarbamoyl)piperidin-1-yl)-3- fluorophenyl)amino)pyrimidine-5- carboxamide

2-((3-chloro-4-(4- (dimethylcarbamoyl)piperidin-1- yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine-5- carboxamide

or a tautomer or a pharmaceutically acceptable salt thereof.

8. A compound of Formula (II):

or a tautomer or a pharmaceutically acceptable salt thereof, wherein

R 1 is selected from the group consisting of H, halo, C 1-4 alkoxy, and cyano;

R 2 is selected from the group consisting of H, halo, and C 1-4 alkyl;

R 4 is selected from the group consisting of H and C 1-4 alkylS(O) 2 .

9. The compound of claim 8 , wherein the compound is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-6-((4- (piperidin-4- yl)phenyl)amino)nicotinamide

4-(cyclopropylamino)-6-((4-(1- (ethylsulfonyl)piperidin-4- yl)phenyl)amino)nicotinamide

or a tautomer or a pharmaceutically acceptable salt thereof.

10. A compound of Formula (III):

or a tautomer or a pharmaceutically acceptable salt thereof, wherein

R 5 is selected from the group consisting of H and C 1-4 alkoxy; and

R 6 is C 1-4 alkyl.

11. The compound of claim 10 , wherein the compound is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-2-(4-(2-methoxy-4- (methylsulfonamido)phenyl)piperazin-1- yl)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-(4-(4- (ethylsulfonamido)-2- methoxyphenyl)piperazin-1-yl)pyrimidine-5- carboxamide

or a tautomer or a pharmaceutically acceptable salt thereof.

12. A compound that is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-2-((5-(4- (ethylsulfonyl)piperazin-1-yl)pyridin-2- yl)amino)pyrimidine-5-carboxamide

6-(cyclopropylamino)-4-((4-(piperidin-4- yl)phenyl)amino)nicotinamide

or a tautomer or a pharmaceutically acceptable salt thereof.

13. The compound of claim 1 , wherein the compound is of Formula (IVa)

or a tautomer or a pharmaceutically acceptable salt thereof.

14. The compound of claim 1 , wherein the compound is of Formula (IVb)

or a tautomer or a pharmaceutically acceptable salt thereof.

15. A compound of claim 1 selected from the group consisting of the following compounds:

Structure

Compound Name

2-(4-(1-acetylazetidin-3-yl)phenylamino)-4- (cyclopropylamino)pyrimidine-5- carboxamide

4-(cyclopropylamino)-2-(4-(1-(2- methoxyacetyl)azetidin-3- yl)phenylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-(4-(1- (methylsulfonyl)azetidin-3- yl)phenylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-(4-(1-(N,N- dimethylsulfamoyl)azetidin-3- yl)phenylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-(4-(1- (ethylsulfonyl)azetidin-3- yl)phenylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-(4-(3- (dimethylcarbamoyl)azetidin-1- yl)phenylamino)pyrimidine-5-carboxamide

4-(cyclopropylamino)-2-(4-(3- (dimethylcarbamoyl)azetidin-1-yl)-3- fluorophenylamino)pyrimidine-5- carboxamide

or a tautomer or a pharmaceutically acceptable salt thereof.

16. A composition comprising a compound of claim 1 in combination with a pharmaceutically acceptable carrier or diluent.

17. A method for inhibiting Syk or JAK kinase, wherein the method comprises contacting a cell with a compound of claim 1 .

18. A method for treating a condition or disorder mediated at least in part by Syk or JAK kinase activity, wherein the method comprises administering to a subject in need of such treatment a therapeutically effective amount of a composition of claim 16 .

19. The method of claim 18 , wherein the condition or disorder is selected from the group consisting of cardiovascular disease, inflammatory disease, autoimmune disease, and cell proliferative disorder.

20. The compound of claim 2 , or a tautomer or a pharmaceutically acceptable salt thereof, wherein R 3 is R 3a C(O).

21. The compound of claim 20 , or a tautomer or a pharmaceutically acceptable salt thereof, wherein R 3a is selected from the group consisting of ethyl, N-morpholino, tetrahydropyran-4-yl, pyridine-3-yl, ethoxymethyl, cyclopropyl, methoxy, ethoxy, pyrrolidine-1-yl, 1-cyanocyclopropyl, dimethylamino, and cyanoC 1-4 alkylene.

22. The compound of claim 20 , or a tautomer or a pharmaceutically acceptable salt thereof, wherein R 3a is ethyl or cyanomethyl.

23. The compound of claim 22 , wherein the compound is selected from the group consisting of the following compounds:

Structure

Compound Name

4-(cyclopropylamino)-2-((4-(1- propionylpiperidin-4- yl)phenyl)amino)pyrimidine- 5-carboxamide

2-((4-(1-(2-cyanoacetyl)piperidin- 4-yl)phenyl)amino)-4- (cyclopropylamino)pyrimidine- 5-carboxamide

or a tautomer or a pharmaceutically acceptable salt thereof.