Modulators of calcium release-activated calcium channel

1. A compound of formula

or a tautomer, prodrug, N-oxide, pharmaceutically acceptable ester or pharmaceutically acceptable salt thereof, wherein

Ring Hy represents

optionally substituted with R′″;

R 1 and R 2 are the same or different and are independently selected from CH 3 , CH 2 F, CHF 2 , CF 3 , substituted or unsubstituted C (3-5) cycloalkyl, CH 2 —OR a , CH 2 —NR a R b , CN and COOH with the proviso that;

a) both R 1 and R 2 at the same time do not represent CF 3 ,

b) both R 1 and R 2 at the same time do not represent CH 3 ,

c) when R 1 is CF 3 then R 2 is not CH 3 and

d) when R 1 is CH 3 then R 2 is not CF 3 ;

Ring Ar represents:

T, U, V and W are the same or different and are independently selected from CR a and N;

Z 1 , Z 2 and Z 3 are the same or different and are independently selected from CR a , CR a R b , O, S and —NR a , with the proviso that at least one of Z 1 , Z 2 and Z 3 represents O, S or —NR a ;

L 1 and L 2 together represent —NH—C(O)—;

A is absent;

R′″ is selected from hydrogen, hydroxy, cyano, halogen, —OR a , —COOR a , —S(═O) q —R a , —NR a R b , —C(═X)—R a , substituted or unsubstituted C (1-6) alkyl group, substituted or unsubstituted C (1-6) alkenyl, substituted or unsubstituted C (1-6) alkynyl, and substituted or unsubstituted C (3-5) cycloalkyl;

each occurrence of X is independently selected from O, S and —NR a ;

Cy is substituted or unsubstituted pyridyl;

each occurrence of R a and R b are the same or different and are independently selected from hydrogen, nitro, hydroxy, cyano, halogen, —OR c , —S(═O) q —R c , —NR c R d , —C(═Y)—R c , —CR c R d —C(═Y)—R c , —CR c R d —Y—CR c R d , —C(═Y)—NR c R d , —NR d —C(═Y)—NR c R d , —S(═O) q —NR c R d , —NR d —S(═O) q —NR c R d , —NR d —NR c R d , substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkylakyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocylyl, substituted or unsubstituted heterocyclylalkyl, substituted or unsubstituted aryl, substituted or unsubstituted arylalkyl, substituted or unsubstituted heteroaryl, and substituted or unsubstituted heteroarylalkyl, or when R a and R b are directly bound to the same atom, they may be joined to form a substituted or unsubstituted saturated or unsaturated 3-10 member ring, which may optionally include one or more heteroatoms which may be the same or different and are selected from O, NR c and S;

each occurrence of R c and R d may be same or different and are independently selected from hydrogen, nitro, hydroxy, cyano, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkylakyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclic group, and substituted or unsubstituted heterocyclylalkyl, or when two R c and/or R d substitutents are directly bound to the same atom, they may be joined to form a substituted or unsubstituted saturated or unsaturated 3-10 member ring, which may optionally include one or more heteroatoms which are the same or different and are selected from O, NH and S;

each occurrence of Y is selected from O, S and —NR a ; and

each occurrence of q independently represents 0, 1 or 2.

2. A compound of claim 1 , wherein Hy is selected from

3. A compound of claim 2 , wherein Hy is

4. A compound of claim 1 , wherein Hy is

5. A compound of claim 1 , wherein Ar is

6. A compound of claim 1 , wherein Cy is

7. A compound of claim 6 , wherein Cy is selected from

8. A compound of claim 1 , wherein Cy is selected from

9. A compound of formula (IA)

or a tautomer, prodrug, N-oxide, pharmaceutically acceptable ester, or pharmaceutically acceptable salt thereof, wherein

R 1 and R 2 are the same or different and are independently selected from CH 3 , CH 2 F, CHF 2 , CF 3 , substituted or unsubstituted C (3-5) cycloalkyl, CH 2 —OR a , CH 2 —NR a R b , CN and COOH with the proviso that;

a) both R 1 and R 2 at the same time do not represent CF 3 ,

b) both R 1 and R 2 at the same time do not represent CH 3 ,

c) when R 1 is CF 3 then R 2 is not CH 3 and

d) when R 1 is CH 3 then R 2 is not CF 3 ;

T is N and each of U, V and W is CH;

L 1 and L 2 together represent —NH—C(O)—;

A is absent;

R′″ is selected from hydrogen, hydroxy, cyano, halogen, —OR a , —COOR a , —S(═O) q —R a , —NR a R b , —C(═X)—R a , substituted or unsubstituted C (1-6) alkyl group, substituted or unsubstituted C (1-6) alkenyl, substituted or unsubstituted C (1-6) alkynyl, and substituted or unsubstituted C (3-5) cycloalkyl;

each occurrence of X is independently selected from O, S and —NR a ;

Cy is substituted or unsubstituted pyridyl;

each occurrence of R a and R b are the same or different and are independently selected from hydrogen, nitro, hydroxy, cyano, halogen, —OR c , —S(═O) q —R c , —NR c R d , —C(═Y)—R c , —CR c R d —C(═Y)—R c , —CR c R d —Y—CR c R d , —C(═Y)—NR c R d , —NR d —C(═Y) —NR c R d , —S(═O) q —NR c R d , —NR c R d —S(═O) q —NR c R d , —NR c R d —NR c R d , substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkylakyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocylyl, substituted or unsubstituted heterocyclylalkyl, substituted or unsubstituted aryl, substituted or unsubstituted arylalkyl, substituted or unsubstituted heteroaryl, and substituted or unsubstituted heteroarylalkyl, or when R a and R b substitutent are directly bound to the same atom, they may be joined to form a substituted or unsubstituted saturated or unsaturated 3-10 member ring, which may optionally include one or more heteroatoms which may be same or different and are selected from O, NR c and S;

each occurrence of R c and R d may be same or different and are independently selected from hydrogen, nitro, hydroxy, cyano, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkylakyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclic group, and substituted or unsubstituted heterocyclylalkyl, or when two R c and/or R d substitutents are directly bound to the same atom, they may be joined to form a substituted or unsubstituted saturated or unsaturated 3-10 member ring, which may optionally include one or more heteroatoms which are the same or different and are selected from O, NH and S;

each occurrence of Y is selected from O, S and —NR a ; and

each occurrence of q independently represents 0, 1 or 2.

10. A compound of claim 9 , wherein both R 1 and R 2 represent cyclopropyl.

11. A compound of claim 9 , wherein one of R 1 and R 2 is CF 3 and the other is independently cyclopropyl, CH 2 F or CHF 2 .

12. A compound of claim 9 , wherein Cy is selected from

13. A compound of claim 9 , wherein Cy is selected from

14. A compound of formula

or a tautomer, prodrug, N-oxide, pharmaceutically acceptable ester, or pharmaceutically acceptable salt thereof, wherein

R 1 and R 2 are the same or different and are independently selected from CH 2 F, CHF 2 , CF 3 , cyclopropyl with the proviso that both R 1 and R 2 at the same time do not represent CF 3 ;

T is N;

U, V, and W are independently selected from CH or CF;

L 1 and L 2 together represent —NH—C(O)—;

A is absent;

R′″ is selected from hydrogen or halogen; and

Cy is substituted or unsubstituted pyridyl.

15. A compound of claim 14 , wherein one of R 1 and R 2 is CF 3 and the other is cyclopropyl.

16. A compound of claim 14 , wherein one of R 1 and R 2 is CF 3 and the other is CH 2 F or CHF 2 .

17. A compound of claim 14 , wherein both R 1 and R 2 represent cyclopropyl.

18. A compound of claim 14 , wherein Cy is selected from

19. A compound of claim 17 , wherein Cy is

20. A compound selected from:

N-[6-(3,5-dicyclopropyl-1H-pyrazol-1-yl)pyridin-3-yl]nicotinamide dihydrochloride

N-[6-(3,5-dicyclopropyl-1H-pyrazol-1-yl)pyridin-3-yl]isonicotinamide

N-[6-(3,5-dicyclopropyl-1H-pyrazol-1-yl)pyridin-3-yl]-3-fluoroisonicotinamide

3,5-dichloro-N-[6-(3,5-dicyclopropyl-1H-pyrazol-1-yl)pyridin-3-yl]isonicotinamide

N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}picolinamide

N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}-3-methylpicolinamide

N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}nicotinamide

N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}-2-methylnicotinamide

N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}isonicotinamide

N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}-3-fluoroisonicotinamide

3,5-dichloro-N-{6-[5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]pyridin-3-yl}isonicotinamide

or a tautomer, prodrug, N-oxide, pharmaceutically acceptable ester, or pharmaceutically acceptable salt thereof.

21. A pharmaceutical composition, comprising a compound of claim 1 and a pharmaceutically acceptable carrier.

22. The pharmaceutical composition of claim 21 , further comprising one or more additional therapeutic agents selected from anti-inflammatory agents, immunosuppressive agents, steroids, non-steroidal anti-inflammatory agents, antihistamines, analgesics, and mixtures thereof.

23. A method of treating an autoimmune disorder rheumatoid arthritis comprising the step of administering to a subject in need thereof an effective amount of a compound of claim 1 .

24. A method of treating asthma comprising the step of administering to a subject in need thereof an effective amount of a compound of claim 1 .

25. The compound N-(6-(5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)pyridin-3-yl)-3-fluoroisonicotinamide or a pharmaceutically acceptable salt thereof.

26. A pharmaceutical composition comprising a compound of claim 25 and a pharmaceutically acceptable carrier.

27. N-(6-(5-cyclopropyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)pyridin-3-yl)-3-fluoroisonicotinamide.

28. A pharmaceutical composition comprising the compound of claim 27 and a pharmaceutically acceptable carrier.