IP Library Granted Patent US 7,176,314
Granted Patent B2
US 7,176,314 · App. 10/314,428 · Granted Feb 13, 2007

Inflammation modulators

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Quick Facts
Patent No.
US 7,176,314
App. No.
10/314,428
Granted
Feb 13, 2007
Kind
B2
Abstract

Compounds, compositions and methods that are useful in the treatment of inflammatory, immunoregulatory, metabolic and cell proliferative conditions or diseases are provided herein. In particular, the invention provides compounds which modulate the expression and/or function of proteins involved in inflammation, metabolism and cell proliferation. The subject compounds contain quinoline or quinazoline rings.

Claims (109)

1. A compound having the formula (I):

or a pharmaceutically acceptable salt or prodrug thereof, wherein

X is N or CR 5 ;

J is selected from the group consisting of (C 1 –C 4 )alkylene, (C 2 –C 4 )alkenylene, (C 2 –C 4 )alkynylene, C(═Y), NR 1 , O, S(O) m , C(═Y)NR 1 , (C 1 –C 4 )alkylene-NR 1 , (C 1 –C 4 )alkylene-O and C(R 2 )═N;

K is selected from the group consisting of a bond, (C 1 –C 4 )alkylene, C(═Y), NR 1 , O and S(O) m ;

L is selected from the group consisting of H, (C 1 –C 6 )alkyl, OR 1 , hetero(C 1 –C 6 )alkyl, aryl, heteroaryl, NR 2 R 3 , C(═Y)R 2 , C(═Y)NR 2 R 3 , C(═Y)OR 2 , (C 1 –C 4 )alkyl-C(═Y)R 2 , (C 1 –C 4 )alkyl-C(═Y)NR 2 R 3 , and (C 1 –C 4 )alkyl-C(═Y)OR 2 ;

optionally, J may be combined with K or L to form a 5-, 6-, 7- or 8-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S;

optionally, K may be combined with L to form 5-, 6-, 7- or 8-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S;

B is a five- or six-membered aromatic ring system containing at least one heteroatom selected from the group consisisting of N, O and S;

Y is selected from the group consisting of O, S, NR 1 , N(CN) and NOR 1 ;

R 1 , R 2 and R 3 are independently selected from the group consisting of H, (C 1 –C 10 )alkyl, (C 3 –C 10 )alkenyl, (C 2 –C 10 )alkynyl, (C 1 –C 10 )heteroalkyl, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, aryl, aryl(C 1 –C 4 )alkyl, aryl(C 1 –C 4 )heteroalkyl, heteroaryl(C 1 –C 4 )alkyl, heteroaryl(C 1 –C 4 )heteroalkyl and fluoro(C 1 –C 6 )alkyl;

optionally, when R 2 and R 3 are attached to the same nitrogen atom, R 2 and R 3 may be combined with the nitrogen atom to form a 5-, 6- or 7-membered ring containing from 1 to 3 heteratoms selected from the group consisting of N, O and S;

R 5 , R 6 and R 7 are independently selected from the group consisting of H, halogen, (C 1 –C 4 )fluoroalkyl, (C 1 –C 6 )alkyl, (C 2 –C 6 )alkenyl, (C 2 –C 6 )alkynyl, (C 1 –C 6 )heteroalkyl, (C 1 –C 6 )alkoxy, (C 1 –C 6 )thioalkoxy, amino, (C 1 –C 6 )alkylamino, di(C 1 –C 6 )alkylamino, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, cyano, cyano-(C 1 –C 6 )alkyl, cyano-(C 2 –C 6 )alkenyl, nitro, (C 1 –C 6 )acyl, (C 1 –C 6 )acylamino, (C 1 –C 6 )alkoxycarbonyl, (C 1 –C 6 )alkoxycarbonyl (C 1 –C 6 )alkyl, CONH 2 , CO—NH—(C 1 –C 6 )alkyl, CO—N[(C 1 –C 6 )alkyl] 2 , SO 2 NH 2 , SO 2 NH—(C 1 –C 6 )alkyl, SO 2 N—[(C 1 –C 6 )alkyl] 2 and (C 1 –C 6 )heteroalkoxy;

optionally, R 6 and R 7 may be combined to form a new 5- or 6-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S;

the subscript m is an integer of from 0 to 2;

with the proviso that the compound is not

wherein

Z is selected from the group consisting of H, (C 1 –C 10 )alkyl, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 2 –C 10 )alkenyl, (C 2 –C 10 )alkynyl and NR 2 R 3 ; and

R 4 is selected from the group consisting of H, (C 1 –C 10 )alkyl, (C 3 –C 6 )cycloalkyl, (C 4 –C 7 )cycloalkyl-alkyl, (C 2 –C 6 )alkenyl and (C 2 –C 6 )alkynyl.

2. A compound having the formula (I):

or a pharmaceutically acceptable salt or prodrug thereof, wherein

X is N or CR 5 ;

J is selected from the group consisting of (C 1 –C 4 )alkylene, (C 2 –C 4 )alkenylene, (C 2 –C 4 )alkynylene, C(═Y), NR 1 , O, S(O) m , C(═Y)NR 1 , (C 1 –C 4 )alkylene-NR 1 , (C 1 –C 4 )alkylene-O and C(R 2 )═N;

K is selected from the group consisting of a bond, (C 1 –C 4 )alkylene, C(═Y), O and S(O) m ;

L is selected from the group consisting of H, (C 1 –C 6 )alkyl, OR 1 , hetero(C 1 –C 6 )alkyl, aryl, heteroaryl, NR 2 R 3 , C(═Y)R 2 , C(═Y)NR 2 R 3 , C(═Y)OR 2 , (C 1 –C 4 )alkyl-C(═Y)R 2 , (C 1 –C 4 )alkyl-C(═Y)NR 2 R 3 and (C 1 –C 4 )alkyl-C(═Y)OR 2 ;

optionally, J may be combined with K or L to form a 5-, 6-, 7- or 8-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S;

B is a five- or six-membered aromatic ring system containing at least one heteroatom selected from the group consisisting of N, O and S;

Y is selected from the group consisting of O, S, NR 1 , N(CN) and NOR 1 ;

R 1 , R 2 and R 3 are independently selected from the group consisting of H, (C 1 –C 10 )alkyl, (C 3 –C 10 )alkenyl, (C 2 –C 10 )alkynyl, (C 1 –C 10 )heteroalkyl, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, aryl, aryl(C 1 –C 4 )alkyl, aryl(C 1 –C 4 )heteroalkyl, heteroaryl(C 1 –C 4 )alkyl, heteroaryl(C 1 –C 4 )heteroalkyl and fluoro(C 1 –C 6 )alkyl;

optionally, when R 2 and R 3 are attached to the same nitrogen atom, R 2 and R 3 may be combined with the nitrogen atom to form a 5-, 6- or 7-membered ring containing from 1 to 3 heteratoms selected from the group consisting of N, O and S;

R 5 , R 6 and R 7 are independently selected from the group consisting of H, halogen, (C 1 –C 4 )fluoroalkyl, (C 1 –C 6 )alkyl, (C 2 –C 6 )alkenyl, (C 2 –C 6 )alkynyl, (C 1 –C 6 )heteroalkyl, (C 1 –C 6 )alkoxy, (C 1 –C 6 )thioalkoxy, amino, (C 1 –C 6 )alkylamino, di(C 1 –C 6 )alkylamino, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, cyano, cyano-(C 1 –C 6 )alkyl, cyano-(C 2 –C 6 )alkenyl, nitro, (C 1 –C 6 )acyl, (C 1 –C 6 )acylamino, (C 1 –C 6 )alkoxycarbonyl, (C 1 –C 6 )alkoxycarbonyl (C 1 –C 6 )alkyl, CONH 2 , CO—NH—(C 1 –C 6 )alkyl, CO—N[(C 1 –C 6 )alkyl] 2 , SO 2 NH 2 , SO 2 NH—(C 1 –C 6 )alkyl, SO 2 N—[(C 1 –C 6 )alkyl] 2 and (C 1 –C 6 )heteroalkoxy;

R 6 is (C 1 –C 4 )alkyl or (C 1 –C 6 )heteroalkoxy;

optionally, R 6 and R 7 may be combined to form a new 5- or 6-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S; and

the subscript m is an integer of from 0 to 2.

3. A compound having the formula (I):

or a pharmaceutically acceptable salt or prodrug thereof, wherein

X is N or CR 5 ;

J is selected from the group consisting of (C 1 –C 4 )alkylene, (C 2 –C 4 )alkenylene, (C 2 –C 4 )alkynylene, C(═Y), NR 1 , O, S(O) m , C(═Y)NR 1 , (C 1 –C 4 )alkylene-NR 1 , (C 1 –C 4 )alkylene-O and C(R 2 )═N;

K is selected from the group consisting of a bond, (C 1 –C 4 )alkylene, C(═Y), NR 1 , O and S(O) m ;

L is selected from the group consisting of H, (C 1 –C 6 )alkyl, OR 1 , hetero(C 1 –C 6 )alkyl, aryl, heteroaryl, NR 2 R 3 , C(═Y)OR 2 , (C 1 –C 4 )alkyl-C(═Y)NR 2 R 3 , (C 1 –C 4 )alkyl-C(═Y)R 2 and (C 1 –C 4 )alkyl-C(═Y)OR 2 ;

optionally, J may be combined with K or L to form a 5-, 6-, 7- or 8-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S;

B is a five- or six-membered aromatic ring system containing at least one heteroatom selected from the group consisisting of N, O and S;

Y is selected from the group consisting of O, S, NR 1 , N(CN) and NOR 1 ;

R 1 , R 2 and R 3 are independently selected from the group consisting of H, (C 1 –C 10 )alkyl, (C 3 –C 10 )alkenyl, (C 2 –C 10 )alkynyl, (C 1 –C 10 )heteroalkyl, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, aryl, aryl(C 1 –C 4 )alkyl, aryl(C 1 –C 4 )heteroalkyl, heteroaryl(C 1 –C 4 )alkyl, heteroaryl(C 1 –C 4 )heteroalkyl and fluoro(C 1 –C 6 )alkyl;

optionally, when R 2 and R 3 are attached to the same nitrogen atom, R 2 and R 3 may be combined with the nitrogen atom to form a 5-, 6- or 7-membered ring containing from 1 to 3 heteratoms selected from the group consisting of N, O and S;

R 5 , and R 7 are independently selected from the group consisting of H, halogen, (C 1 –C 4 )fluoroalkyl, (C 1 –C 6 )alkyl, (C 2 –C 6 )alkenyl, (C 2 –C 6 )alkynyl, (C 1 –C 6 )heteroalkyl, (C 1 –C 6 )alkoxy, (C 1 –C 6 )thioalkoxy, amino, (C 1 –C 6 )alkylamino, di(C 1 –C 6 )alkylamino, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, cyano, cyano-(C 1 –C 6 )alkyl, cyano-(C 2 –C 6 )alkenyl, nitro, (C 1 –C 6 )acyl, (C 1 –C 6 )acylamino, (C 1 –C 6 )alkoxycarbonyl, (C 1 –C 6 )alkoxycarbonyl (C 1 –C 6 )alkyl, CONH 2 , CO—NH—(C 1 –C 6 )alkyl, CO—N[(C 1 –C 6 )alkyl] 2 , SO 2 NH 2 , SO 2 NH—(C 1 –C 6 )alkyl, SO 2 N—[(C 1 –C 6 )alkyl] 2 and (C 1 –C 6 )heteroalkoxy;

R 6 is (C 1 –C 4 )alkyl or (C 2 –C 4 )alkenyl;

optionally, R 6 and R 7 may be combined to form a new 5- or 6-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S; and

the subscript m is an integer of from 0 to 2.

4. A compound having the formula (I):

or a pharmaceutically acceptable salt or prodrug thereof, wherein

X is N or CR 5 ;

J is selected from the group consisting of (C 1 –C 4 )alkylene, (C 2 –C 4 )alkenylene, (C 2 –C 4 )alkynylene, C(═Y), NR 1 , O, S(O) m , C(═Y)NR 1 , (C 1 –C 4 )alkylene-NR 1 and (C 1 –C 4 )alkylene-O;

K is selected from the group consisting of a bond, (C 1 –C 4 )alkylene, C(═Y), NR 1 , O and S(O) m ;

L is selected from the group consisting of H, (C 1 –C 6 )alkyl, OR 1 , hetero(C 1 –C 6 )alkyl, aryl, heteroaryl, NR 2 R 3 , C(═Y)R 2 , C(═Y)NR 2 R 3 , C(═Y)OR 2 , (C 1 –C 4 )alkyl-C(═Y)R 2 , (C 1 –C 4 )alkyl-C(═Y)NR 2 R 3 , and (C 1 –C 4 )alkyl-C(═Y)OR 2 ;

optionally, J may be combined with K or L to form a 5-, 6-, 7- or 8-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S;

B is a five- or six-membered aromatic ring system containing at least one heteroatom selected from the group consisisting of N, O and S;

Y is selected from the group consisting of O, S, NR 1 , N(CN) and NOR 1 ;

R 1 , R 2 and R 3 are independently selected from the group consisting of H, (C 1 –C 10 )alkyl, (C 3 –C 10 )alkenyl, (C 2 –C 10 )alkynyl, (C 1 –C 10 )heteroalkyl, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, aryl, aryl(C 1 –C 4 )alkyl, aryl(C 1 –C 4 )heteroalkyl, heteroaryl(C 1 –C 4 )alkyl, heteroaryl(C 1 –C 4 )heteroalkyl and fluoro(C 1 –C 6 )alkyl;

optionally, when R 2 and R 3 are attached to the same nitrogen atom, R 2 and R 3 may be combined with the nitrogen atom to form a 5-, 6- or 7-membered ring containing from 1 to 3 heteratoms selected from the group consisting of N, O and S;

R 5 , and R 7 are independently selected from the group consisting of H, halogen, (C 1 –C 4 )fluoroalkyl, (C 1 –C 6 )alkyl, (C 2 –C 6 )alkenyl, (C 2 –C 6 )alkynyl, (C 1 –C 6 )heteroalkyl, (C 1 –C 6 )alkoxy, (C 1 –C 6 )thioalkoxy, amino, (C 1 –C 6 )alkylamino, di(C 1 –C 6 )alkylamino, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, cyano, cyano-(C 1 –C 6 )alkyl, cyano-(C 2 –C 6 )alkenyl, nitro, (C 1 –C 6 )acyl, (C 1 –C 6 )acylamino, (C 1 –C 6 )alkoxycarbonyl, (C 1 –C 6 )alkoxycarbonyl (C 1 –C 6 )alkyl, CONH 2 , CO—NH—(C 1 –C 6 )alkyl, CO—N[(C 1 –C 6 )alkyl] 2 , SO 2 NH 2 , SO 2 NH—(C 1 –C 6 )alkyl, SO 2 N—[(C 1 –C 6 )alkyl] 2 and (C 1 –C 6 )heteroalkoxy;

optionally, R 6 and R 7 may be combined to form a new 5- or 6-membered ring containing from 0 to 3 heteratoms selected from the group consisting of N, O and S; and

the subscript m is an integer of from 0 to 2.

5. The compound of claim 1 , wherein R 7 is selected from the group consisting of H, halogen, (C 1 –C 4 )fluoroalkyl, CF 3 O, (C 1 –C 4 )alkyl, (C 2 –C 4 )alkenyl, (C 2 –C 4 )alkynyl, (C 1 –C 4 )heteroalkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, cyano, cyano-(C 1 –C 6 )alkyl and cyano-(C 2 –C 6 )alkenyl.

6. The compound of claim 5 , wherein R 6 is substituted with CN, S(O) m (C 1 –C 6 )alkyl or (C 1 –C 6 )alkoxy.

7. The compound of claim 5 , wherein R 7 is H, (C 1 –C 4 )alkyl or halogen.

8. The compound of claim 5 , wherein R 6 is (C 1 –C 4 )alkyl or (C 2 –C 4 )alkenyl substituted with CN, S(O) m (C 1 –C 6 )alkyl or (C 1 –C 6 )alkoxy and R 7 is H, (C 1 –C 4 )alkyl or halogen.

9. The compound of claim 8 , having the formula:

wherein

R 9 is selected from the group consisting of CN, S(O) p (C 1 –C 6 )alkyl and (C 1 –C 6 )alkoxy, wherein the subscript p is an integer of from 0 to 2;

R a , R b , R c and R d are independently selected from the group consisting of H, halogen, (C 1 –C 6 )alkyl, (C 1 –C 4 )fluoroalkyl, (C 1 –C 6 )alkyl, (C 2 –C 6 )alkenyl, (C 2 –C 6 )alkynyl, (C 1 –C 6 )heteroalkyl, (C 1 –C 6 )alkoxy, (C 1 –C 6 )thioalkoxy, amino, (C 1 –C 6 )alkylamino, di(C 1 –C 6 )alkylamino, (C 3 –C 10 )cycloalkyl, (C 3 –C 10 )cycloalkyl-alkyl, (C 3 –C 10 )cycloheteroalkyl, (C 3 –C 10 )cycloheteroalkyl-alkyl, cyano, cyano-(C 1 –C 6 )alkyl, cyano-(C 2 –C 6 )alkenyl, nitro, (C 1 –C 6 )acyl, (C 1 –C 6 )acylamino, (C 1 –C 6 )alkoxycarbonyl, (C 1 –C 6 )alkoxycarbonyl (C 1 –C 6 )alkyl, CONH 2 , CO—NH—(C 1 –C 6 )alkyl, CO—N[(C 1 –C 6 )alkyl] 2 , SO 2 NH 2 , SO 2 NH—(C 1 –C 6 )alkyl, SO 2 N—[(C 1 –C 6 )alkyl] 2 and (C 1 –C 6 )heteroalkoxy; and

the subscript n is an integer of from 0 to 3.

10. The compound of claim 9 , wherein R a , R b , R c and R d are H.

11. The compound of claim 9 , having the formula:

12. The compound of claim 9 , having the formula:

13. The compound of claim 9 , having the formula:

14. The compound of claim 5 , wherein B is selected from the group consisting of 1-methylimidazol-5-yl, 1-(trifluoromethyl)imidazol-5-yl, 5-methylimidazol-1-yl, 5-(trifluoromethyl)imidazol-1-yl, thiazol-5-yl, imidazol-1-yl, 1,3,4-triazol-1-yl, 1,2,4-triazol-4-yl, thiophenyl, furanyl and pyridyl.

15. The compound of claim 5 , wherein B is selected from the group consisting of 1-methylimidazol-5-yl, 5-methylimidazol-1-yl, thiazol-5-yl, imidazol-1-yl and 1,3,4-triazol-1-yl.

16. The compound of claim 5 , wherein R 6 is (C 1 –C 4 )alkyl or (C 2 –C 4 )alkenyl substituted with CN, S(O) m or (C 1 –C 6 )alkoxy, R 7 is (C 1 –C 4 )alkyl or halogen and B is selected from the group consisting of 1-methylimidazol-5-yl, 1-(trifluoromethyl)imidazol-5-yl, 5-methylimidazol-1-yl, 5-(trifluoromethyl)imidazol-1-yl, thiazol-5-yl, imidazol-1-yl, 1,3,4-triazol-1-yl, 1,2,4-triazol-4-yl, thiophenyl, furanyl and pyridyl.

17. The compound of claim 5 , wherein R 6 is (C 1 –C 4 )alkyl or (C 2 –C 4 )alkenyl substituted with CN, S(O) m (C 1 –C 6 )alkyl or (C 1 –C 6 )alkoxy, R 7 is (C 1 –C 4 )alkyl or halogen and B is selected from the group consisting of 1-methylimidazol-5-yl, 5-methylimidazol-1-yl, thiazol-5-yl, imidazol-1-yl and 1,3,4-triazol-1-yl.

18. The compound of claim 9 , having the formula:

19. The compound of claim 9 , having the formula:

20. The compound of claim 9 , having the formula:

wherein R 10 is selected from the group consisting of H, (C 1 –C 4 )alkyl, (C 1 –C 4 )fluoroalkyl, and halogen.

21. The compound of claim 9 , having the formula:

22. The compound of claim 5 , wherein L is aryl or heteroaryl.

23. The compound of claim 5 , wherein L is selected from the group consisting of phenyl, naphthyl, pyrrolyl, pyrazolyl, imidazolyl, pyrazinyl, oxazolyl, isoxazolyl, thiazolyl, furyl, thienyl, pyridyl, pyrimidyl, pyrimidinyl, pyridazinyl, benzothiazolyl, purinyl, benzimidazolyl, indolyl, isoquinolyl, quinoxalinyl and quinolyl.

24. The compound of claim 5 , wherein L is selected from the group consisting of C(═Y)R 2 , C(═Y)NR 2 R 3 and CO 2 R 2 .

25. The compound of claim 5 , wherein L is C(O)NR 2 R 3 .

26. The compound of claim 5 , wherein J is (C 1 –C 4 )alkylene.

27. The compound of claim 5 , wherein J is (C 2 –C 4 )alkenylene.

28. The compound of claim 5 , wherein J is (C 2 –C 4 )alkynylene.

29. The compound of claim 5 , wherein J is C(═Y).

30. The compound of claim 5 , wherein J is NR 1 .

31. The compound of claim 5 , wherein J is O.

32. The compound of claim 5 , wherein J is S(O) m .

33. The compound of claim 5 , wherein J is C(═Y)NR 1 .

34. The compound of claim 5 , wherein J is (C 1 –C 4 )alkylene-NR 1 .

35. The compound of claim 5 , wherein J is (C 1 –C 4 )alkylene-OR 1 .

36. The compound of claim 5 , wherein J is C(R 2 )═N.

37. The compound of claim 5 , wherein K is a bond.

38. The compound of claim 5 , wherein K is (C 1 –C 4 )alkylene.

39. The compound of claim 5 , wherein K is C(═Y).

40. The compound of claim 5 , wherein K is NR 1 .

41. The compound of claim 5 , wherein K is O.

42. The compound of claim 5 , wherein K is S(O) m .

43. The compound of claim 5 , having a formula selected from the group consisting of X, XI, XII, XIII, XIVa, XIVb, XV, XVI, XVII, XVIIIa, XVIIIb, XIX, XX, XXIa, XXIb, XXII, XXIIIa, XXIIIb and XXIV:

44. A pharmaceutical composition comprising a pharmaceutically acceptable carrier or excipient and a compound of claim 1 .

45. A compound of claim 1 having a formula selected from the group consisting of:

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF INVENTORS' NAMES HE, XIAO AND HAO, XIAOLIN AND EXECUTION DATE FOR XIAO HE PREVIOUSLY RECORDED ON REEL 013930 FRAME 0271. ASSIGNOR(S) HEREBY CONFIRMS THE INVENTORS HE, XIAO AND HAO, XIAOLIN AND EXECUTION DATE FOR XIAO HE OF 01/30/2003. Recorded Aug 12, 2010
From: HE, XIAO; HAO, XIAOLIN
To: AMGEN INC.; TULARIK INC.
Reel/Frame 024823/0628 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 21, 2006
From: AMGEN SF, LLC
To: AMGEN INC.
Reel/Frame 018669/0307 →
MERGER Recorded Jun 7, 2005
From: TULARIK INC.
To: ARROW ACQUISITION, LLC
Reel/Frame 016309/0003 →
CHANGE OF NAME Recorded Jun 7, 2005
From: ARROW ACQUISITION, LLC
To: AMGEN SF, LLC
Reel/Frame 016309/0812 →