IP Library Granted Patent US 7,579,348
Granted Patent B2
US 7,579,348 · App. 11/362,392 · Granted Aug 25, 2009

Derivatives of 8-substituted xanthines

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Quick Facts
Patent No.
US 7,579,348
App. No.
11/362,392
Granted
Aug 25, 2009
Kind
B2
Abstract

The present invention provides compounds and pharmaceutical compositions that are substituted pyridyl-linked-xantbines of formula I which are selective antagonists of A 2B adenosine receptors (ARs). These compounds and compositions are useful as pharmaceutical agents.

Claims (94)

1. A compound of formula I:

wherein:

R is hydrogen or is selected from the group consisting of (C 1-5 )alkyl, halo(C 1-8 )alkyl, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 3-5 )alkenyl and (C 3-5 )alkynyl, each substituted or unsubstituted;

R 1 and R 2 are each independently selected from the group consisting of hydrogen, substituted or unsubstituted (C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkenyl(C 1-8 )alkyl, (C 3-8 )alkynyl, (C 3-8 )alkynyl(C 1-8 )alkyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl, (C 4-10 )heterocyclyl, (C 4-10 )heterocyclyl(C 1-8 )alkyl, (C 6-10 )aryl, (C 6-10 )aryloxy, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl and (C 5-10 )heteroaryl(C 1-8 )alkyl-;

L 1 is a linker selected from the group consisting of substituted or unsubstituted——NR o —C(O)—, —NCH 3 —C(O)—, —C(O)NR o —, —C(O)NCH 3 —, —NR o C(O)CH 2 —, —NR o C(O)CH 2 CH 2 —, —C(O)NR o CH 2 —, —C(O)NR o CH 2 CH 2 —, —C(O)CH 2 NR o —, —C(O)CH 2 CH 2 NR o —, —CH 2 NR o C(O)—, —CH 2 CH 2 NR o C(O)—, —CH 2 C(O)NR o —, —CH 2 CH 2 C(O)NR o —, —NR o CH 2 C(O)—, and —NR o CH 2 CH 2 C(O)—, wherein each R o is independently hydrogen or substituted or unsubstituted (C 1-4 )alkyl, (C 1-4 )alkylC(O)—, (C 6-10 )arylC(O)— and (C 5-10 )heteroarylC(O)—;

Z is a 5-14 member substituted or unsubstituted heteroaryl ring selected from the group consisting of benzo[b]furan, benzo[b]thiophene, benzimidazole, imidazo[4,5-c]pyridine, quinazoline, thieno[2,3-c]pyridine, thieno[3,2-]pyridine, thieno[2,3-b]pyridine, indolizine, imidazo[1,2a]pyridine, quinoline, isoquinoline, phthalazine, quinoxaline, naphthyridine, quinolizine, indole, isoindole, indazole, indoline, benzoxazole, benzopyrazole, benzothiazole, imidazo[1,5-a]pyridine, pyrazolo[1,5-a]pyridine, pteridine, purine, carbazole, and acridine;

Z 1 is a 5-14 member substituted or unsubstituted aryl or heteroaryl ring;

where n is 1 or 2; or

a pharmaceutically acceptable salt thereof.

2. The compound of claim 1 , wherein

L 1 is unsubstituted or further substituted by a substituent selected from the group consisting of (C 1-4 )alkoxy, (C 1-8 )alkylamino, (C 1-8 )alkylamido, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 1-4 )alkoxy((C 1-4 )alkyl, halo, hydroxy, cyano, nitro, (C 1-8 )alkyl, (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , (C 1-8 )alkyl)C(O)—, (C 1-8 )alkylCO 2 —, —C(O)N((C 1-8 )alkyl) 2 , —S(O)(C 1-8 )alkyl, —S(O)N((C 1-8 )alkyl) 2 , —S(O) 2 (C 1-8 )alkyl, —S(O) 2 N((C 1-8 )alkyl) 2 , —S(O) 1-3 —NR 4 R 5 , —NR 4 R 5 , (C 4-10 )heterocyclyl(C 1-8 )alkyl-, or (C 4-10 )heterocyclyl wherein the heterocyclyl is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, hydroxy, cyano, nitro, —OR a , —SR a , (C 1-8 )alkyl, (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , (C 1-8 )alkyl)C(O)—, (C 1-8 )alkylCO 2 —, —C(O)N((C 1-8 )alkyl) 2 , —S(O)(C 1-8 )alkyl, —S(O)N((C 1-8 )alkyl) 2 , —S(O) 2 (C 1-8 )alkyl, —S(O) 2 N((C 1-8 )alkyl) 2, — C(O)R b , —COOR b , and —C(O)NR b R c ; wherein R a is hydrogen, or (C 1-6 )alkyl; R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 6-10 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl( 1-6 )alkyl-, heteroaryl, or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrazolyl, pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring; and

wherein R 4 and R 5 are each independently hydrogen or are each independently selected from the group consisting of (C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 6-18 )polycycloalkyl, (C 6-18 )polycycloalkyl(C 1-8 )alkyl-, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 3-10 )alkyl-, ((C 1-8 )alkyl) 2 N—(C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl, (C 5-10 )heteroaryl(C 1-8 )alkyl-, (C 1-8 )alkyl)C(O)—, (C 1-8 )alkylCO 2 —, —C(O)N((C 1-8 )alkyl) 2 , —S(O)(C 1-8 )alkyl, —S(O)N((C 1-8 )alkyl) 2 , —S(O) 2 (C 1-8 )alkyl or —S(O) 2 N((C 1-8 )alkyl) 2 .

3. The compound according to claim 1 , wherein Z 1 is a substituted or unsubstituted heteroaryl ring selected from the group consisting of benzo[b]furan, benzo[b]thiophene, benzimidazole, imidazo[4,5-c]pyridine, quinazoline, thieno[2,3-c]pyridine, thieno[3,2-b]pyridine, thieno[2,3-b]pyridine, indolizine, imidazo[1,2a]pyridine, quinoline, isoquinoline, phthalazine, quinoxaline, naphthyridine, quinolizine, indole, isoindole, indazole, indoline, benzoxazole, benzopyrazole, benzothiazole, imidazo[1,5-a]pyridine, pyrazolo[1,5-a]pyridine, pteridine, purine, carbazole, acridine, imidazolyl, triazolyl, triazinyl, oxazoyl, isoxazoyl, thiazolyl, isothiazoyl, thiodiazolyl, thiophenyl, pyrrolyl, pyrazolyl, pyrazinyl, tetrazolyl, pyridinyl, pyrimidinyl, indolyl, isoquinolyl and quinolyl.

4. The compound of claim 3 , wherein Z 1 is a substituted or unsubstituted heteroaryl ring selected from the group consisting of imidazo[4,5-c]pyridine, quinazoline, thieno[2,3-c]pyridine, thieno[3,2-b]pyridine, thieno[2,3-b]pyridine, indolizine, imidazo[1,2a]pyridine, quinoline, isoquinoline, phthalazine, quinoxaline, naphthyridine, quinolizine, imidazo[1,5-a]pyridine, pyrazolo[1,5-a]pyridine, pteridine, purine, pyridinyl and pyrimidinyl.

5. The compound of claim 3 , wherein Z 1 is a substituted or unsubstituted heteroaryl ring selected from the group consisting of benzo[b]furan, benzo[b]thiophene, benzimidazole, indole, isoindole, indazole, indoline, benzoxazole, benzopyrazole, benzothiazole, carbazole, acridine, imidazolyl, triazolyl, triazinyl, oxazoyl, isoxazoyl, thiazolyl, isothiazoyl, thiodiazolyl, thiophenyl, pyrrolyl, pyrazolyl, pyrazinyl, tetrazolyl, indolyl, isoquinolyl, pyridinyl and quinolyl.

6. The compound of claim 3 wherein the Z 1 is substituted by 1, 2 or 3 substituents independently selected from the group consisting of (C 1-8 )alkyl, (C 2-8 )alkenyl, (C 2-8 )alkynyl, —OR 6 , —SR 6 , cyano, nitro, halo, R 6 O(C 1-8 )alkyl, R 7 R 8 N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR 7 R 8 , —NC(O)R 6 , R 7 R 8 N(C 1-8 )alkyl, —C(O)R 6 , —COOR 6 and —C(O)NR 7 R 8 ; wherein

R 6 is hydrogen, (C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl or (C 4-10 )heteroaryl(C 1-8 )alkyl-; wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, (C 1-8 alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

R 7 and R 8 are each independently hydrogen, (C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl; —COOR b , —C(O)R b or —C(O)NR b R c wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ; or R 7 and R 8 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7 or 8, ring atoms optionally ring having from 4 to eight ring atoms and optionally consisting of 1, 2, 3 or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl or NH in the ring;

R a is hydrogen or (C 1-6 )alkyl; R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl(C 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring.

7. The compound of claim 3 wherein the Z 1 ring is substituted by 1, 2 or 3 substituents independently selected from the group consisting of amino, carbonyl, cyano, nitro, halo, (C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkoxy, aryloxy, heteroaryloxy, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 4-10 )heterocyclyl, (C 4-10 )heterocyclyl(C 1-8 )alkyl-, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl and (C 5-10 )heteroaryl(C 1-8 )alkyl-, each substituted or unsubstituted.

8. The compound of claim 3 wherein the Z 1 ring is substituted by 1, 2 or 3 substituents independently selected from the group consisting of (C 1-4 )alkyl, (C 3-4 )alkenyl, (C 3-4 )alkynyl, phenyl, phenyl(C 1-4 )alkyl, (C 3-6 )cycloalkyl and (C 3-6 )cycloalkyl((C 1-4 )alkyl-.

9. The compound of claim 3 wherein the Z 1 ring is substituted by 1, 2 or 3 substituents independently selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, n-butyl, i-butyl, phenyl, phenethyl, benzyl, (methoxyphenyl)ethyl, (C 3-6 )cycloalkyl and (C 3-6 )cycloalkyl((C 1-4 )alkyl-.

10. The compound of claim 3 wherein the Z 1 ring is substituted by 1, 2 or 3 substituents independently selected from the group consisting of —OR 3 , SR 3 , halo, —S(O) 1-3 —NR 4 R 5 , —NR 4 R 5 , —NC(O)R 6 , CF 3 — or (C 4-10 )heterocyclyl wherein the heterocyclyl is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 1-8 )alkyl, (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ; wherein R a is hydrogen or (C 1-6 )alkyl; R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl( 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring;

R 3 is (C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl, (C 5-10 )heteroaryl(C 1-8 )alkyl-, —C(O)R 6 or —C(O)NR 7 R 8 ;

R 4 and R 5 are independently hydrogen, (C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 6-18 )polycycloalkyl, (C 6-18 )polycycloalkyl(C 1-8 )alkyl-, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, —NR 7 R 8 , (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 alkyl-, (C 5-10 )heteroaryl, (C 5-10 )heteroaryl(C 1-8 )alkyl-, —(C 2-4 —Y) q —(CH 2 ) 2-4 —X 1 , —C(O)R 6 , —CO 2 R 6 , —C(O)NR 7 R 8 or —S(O) 2 —NR 7 R 8 ; or R 4 and R 5 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7 or 8, ring atoms and optionally consisting of 1, 2, 3 or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl and NH in the ring, and wherein the ring is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

R 6 is hydrogen, (C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl or (C 4-10 )heteroaryl(C 1-8 )alkyl-; wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, (C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

wherein R 7 and R 8 are independently hydrogen, (C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl; —COOR b , —C(O)R b , or —C(O)NR b R c wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ; or R 7 and R 8 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7 or 8, ring atoms optionally ring having from 4 to eight ring atoms and optionally consisting of 1, 2, 3 or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl or —N(R b )— in the ring;

X 1 is —OR 6 , —C(O)R 6 , —CO 2 R 6 or —NR 7 R 8 ;

and Y is oxy, —S—, sulfinyl, sulfonyl and NH; and q is 1, 2, 3 or 4.

11. The compound according to claim 1 , wherein the alkyl, alkenyl, cycloalkyl, alkynyl, aryl, heterocyclyl or heteroaryl groups are unsubstituted or further substituted with one or more substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —N(CO)R b , —C(O)R b , —COOR b and —C(O)NR b R c ; wherein

R a is hydrogen, or (C 1-6 )alkyl; and R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl(C 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring.

12. The compound according to claim 1 , wherein R is hydrogen or is selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, n-butyl, i-butyl and halo(C 1-4 )alkyl.

13. The compound according to claim 1 , wherein R is selected from the group consisting of methyl, ethyl, —CH 2 —CH 2 —Cl, —CH 2 —CH 2 —Br and —CH 2 —CH 2 —CH 2 —F.

14. The compound according to claim 1 , wherein R 1 is hydrogen or is selected from the group consisting of (C 1-4 )alkyl, (C 3-4 alkenyl, (C 3-8 )alkenyl(C 1-8 )alkyl, (C 3-8 )alkynyl, (C 3-8 )alkynyl(C 1-8 )alkyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, hydroxy(C 3-8 )cycloalkyl(C 1-8 )alkyl-, phenyl and phenyl((C 1-4 )alkyl.

15. The compound according to claim 1 , wherein R 1 is selected from the group consisting of (C 3-6 )cycloalkyl, (C 3-8 )alkenyl(C 1-8 )alkyl, (C 3-8 )alkynyl(C 1-8 )alkyl, hydroxy(C 3-8 )cycloalkyl(C 1-8 )alkyl- and (C 3-6 )cycloalkyl(C 1-4 )alkyl-.

16. The compound according to claim 1 , wherein R 1 is selected from the group consisting of cyclopropyl, cyclopropylmethyl, cyclobutyl, cyclobutylmethyl, hydroxycyclobutyl, trihalomethylcyclobutyl and cyclopentyl.

17. The compound according to claim 1 , wherein R 1 is selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, n-butyl, i-butyl, phenyl, phenethyl, benzyl and (methoxyphenyl)ethyl.

18. The compound according to claim 1 , wherein R 1 is selected from the group consisting of ethyl, n-propyl and allyl.

19. The compound according to claim 1 , wherein R 2 is hydrogen or is selected from the group consisting of (C 1-4 )alkyl, halo(C 1-8 )alkyl, (C 3-4 )alkenyl, (C 3-4 )alkynyl, phenyl, phenyl((C 1-4 )alkyl and (methoxyphenyl)ethyl.

20. The compound according to claim 1 , wherein R 2 is selected from the group consisting of (C 3-6 )cycloalkyl, halo(C 1-8 )alkyl and (C 3-6 )cycloalkyl((C 1-4 )alkyl-.

21. The compound according to claim 1 , wherein R 2 is selected from the group consisting of cyclopropyl, cyclopropylmethyl, cyclobutyl, hydroxycyclobutyl, trihalomethylcyclobutyl and cyclopentyl.

22. The compound according to claim 1 , wherein R 2 is selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, n-butyl, i-butyl, phenyl, phenethyl, trifluoromethylmethyl, fluoroethyl and benzyl.

23. The compound according to claim 1 , wherein R 1 and R 2 are each independently hydrogen or are each selected from the group consisting of (C 1-4 alkyl, (C 3-4 )alkenyl, (C 3-4 )alkynyl, phenyl and phenyl(C 1-4 )alkyl.

24. The compound according to claim 1 , wherein R is hydrogen or is selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, n-butyl, i-butyl and halo(C 1-4 )alkyl; and R 1 and R 2 are each independently hydrogen or are each independently selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, cyclopropyl, cyclopropylmethyl, n-butyl, i-butyl, phenyl, phenethyl and benzyl.

25. The compound according to claim 1 , wherein R is selected from the group consisting of methyl, ethyl, —CH 2 —CH 2 —Cl, —CH 2 —CH 2 —Br and —CH 2 —CH 2 —CH 2 —F; and R 1 and R 2 are independently hydrogen or are each independently selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, cyclopropyl, cyclopropylmethyl, (methoxyphenyl)ethyl, cyclobutyl, hydroxycyclobutyl, trihalomethylcyclobutyl, cyclopentyl, trifluoromethylmethyl and fluoroethyl.

26. The compound of claim 1 , wherein -Z-(L 1 ) n -Z 1 is the formula:

where n is 1.

27. The compound of claim 26 , wherein -Z(L 1 ) n -Z 1 is the formula:

where n is 1.

28. The compound according to claim 1 , wherein Z 1 is substituted by a substituent selected from the group consisting of —OH, —O(C 1-4 )alkyl, —OC(O)NR 7 R 8 , (C 1-4 )alkyl, —NR 4 R 5 , F, Cl, Br, I, nitro, cyano, trifluoromethyl, —CO 2 R 6 and —NC(O)R 6 wherein R 4 and R 5 are each independently hydrogen or are selected from the group consisting of (C 1-6 )alkyl, (C 3-6 )cycloalkyl, (C 3-6 )heterocyclyl, (C 6-10 )aryl, (C 7-12 )aralkyl, (C 5-6 )heteroaryl, (C 5-6 )heteroaryl((C 1-4 )alkyl, —S(O 2 )NH 2 , —C(O)R 6 , —CO 2 R 6 and —C(O)NR 6 R 7

R 4 and R 5 are independently hydrogen, (C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 6-18 )polycycloalkyl, (C 6-18 )polycycloalkyl(C 1-8 )alkyl-, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, —NR 7 R 8 , (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl, (C 5-10 )heteroaryl(C 1-8 )alkyl-, —(C 2-4 —Y) q —(CH 2 ) 2-4 —X 1 , —C(O)R 6 , —CO 2 R 6 , —C(O)NR 7 R 8 or —S(O) 2 —NR 7 R 8 ; or R 4 and R 5 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7 or 8, ring atoms and optionally consisting of 1, 2, 3 or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl and NH in the ring, and wherein the ring is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

R 6 is hydrogen, (C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl or (C 4-10 )heteroaryl(C 1-8 )alkyl-; wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, (C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

wherein R 7 and R 8 are independently hydrogen, (C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl; —COOR b , —C(O)R b , or —C(O)NR b R c wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ; or R 7 and R 8 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7 or 8, ring atoms optionally ring having from 4 to eight ring atoms and optionally consisting of 1, 2, 3 or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl or —N(R b )— in the ring;

X 1 is —OR 6 , —C(O)R 6 , —CO 2 R 6 or —NR 7 R 8 ;

and Y is oxy, —S—, sulfinyl, sulfonyl and NH; and q is 1, 2, 3 or 4.

29. The compound of claim 28 , wherein Z 1 is substituted by one —NR 4 R 5 .

30. The compound of claim 29 , wherein R 4 and R 5 together with the nitrogen to which they are attached, form a pyrazolyl, pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring, wherein the ring is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c

R a is hydrogen or (C 1-6 )alkyl; R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl(C 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring.

31. The compound of claim 29 , wherein R 4 and R 5 are each independently hydrogen or are independently selected from the group consisting of (C 1-4 )alkyl, hydroxy(C 2-4 )alkyl, (C 3-6 )cycloalkyl, (C 6-10 )aryl, (C 7-10 )aralkyl, (C 5-6 )heteroaryl, —(CH 2 —CH 2 —O) q —(CH 2 —CH 2 )—OR b , —(CH 2 —CH 2 —O) q —(CH 2 —CH 2 )—COOR b , —(CH 2 —CH 2 —O) q —(CH 2 —CH 2 )—NR b R c , —NR 7 R 8 , —C(O)R 6 , —CO 2 R 6 and —C(O)NR 7 R 8 .

32. The compound of claim 29 , wherein R 4 and R 5 are each independently selected from the group consisting of methyl, ethyl, propyl, pentyl, hydroxyethyl, hydroxypropyl, ethoxyethyl, diethoxyethyl, methylbenzyl, aminomethylbenzyl, methoxybenzyl, methoxyphenethyl, furylmethyl, cyclopentyl, cyclohexyl, thiophenyl, —C(O)R 6 , —CO 2 R 6 and —C(O)NHR 7 .

33. The compound according to claim 1 , wherein:

R is hydrogen, methyl, or ethyl;

R 1 and R 2 are each independently selected from the group consisting of methyl, ethyl, allyl, propargyl, i-propyl, n-propyl, cyclopropyl, cyclopropylmethyl, n-butyl, cyclobutyl, hydroxycyclobutyl, trihalomethylcyclobutyl, cyclopentyl, trifluoromethylmethyl, fluoroethyl and i-butyl; and

Z 1 is (C 4-10 )heterocyclyl wherein the heterocyclyl is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from the group consisting of halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c

R a is hydrogen or (C 1-6 )alkyl; R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl( 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring.

34. The compound according to claim 1 , wherein each substitutent is independently selected from the group consisting of —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —N(CO)R b , —C(O)R b , —COOR b and —C(O)NR b R c ; wherein R a is hydrogen or (C 1-6 )alkyl;

R a is hydrogen or (C 1-6 )alkyl; R b and R c are each independently hydrogen, (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl( 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached, form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring.

35. The compound according to claim 1 , wherein Z and Z 1 are substituted by at least one substituent selected from the group consisting of —OR 3 , —SR 3 , halo, —S(O)—NR 4 R 5 , —S(O) 2 —NR 4 R 5 , —NR 4 R 5 and (C 4-10 )heterocyclyl, wherein the heterocyclyl is unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 1-8 )alkyl, (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ; wherein

R 3 is selected from the group consisting of (C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl, (C 5-10 )heteroaryl(C 1-8 )alkyl-, —C(O)R 6 and —C(O)NR 7 R 8 ;

R 4 and R 5 are each independently hydrogen, or are each independently selected from the group consisting of (C 1-8 )alkyl, (C 3-8 )alkenyl, (C 3-8 )alkynyl, (C 1-8 )alkoxy, (C 3-8 )cycloalkyl, (C 3-8 )cycloalkyl(C 1-8 )alkyl-, (C 6-18 )polycycloalkyl, (C 6-18 )polycycloalkyl(C 1-8 )alkyl-, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, —NR 7 R 8 , (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 5-10 )heteroaryl, (C 5-10 )heteroaryl(C 1-8 )alkyl-, —(C 2-4 —Y) q —(CH 2 ) 2-4 —X 1 , —C(O)R 6 , —CO 2 R 6 , —C(O)NR 7 R 8 and —S(O) 2 —NR 7 R 8 ; or R 4 and R 5 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7, or 8, ring atoms and optionally consisting of 1, 2, 3, or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl and —N(R 9 )— in the ring, and wherein the ring is unsubstituted or substituted with 1, 2, 3, or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

X 1 is —OR 6 , —C(O)R 6 , —CO 2 R 6 , or —NR 7 R 8 ; and Y is oxy, —S—, sulfinyl, sulfonyl and —N(R 9 )—;

wherein the alkyl, alkenyl, cycloalkyl, alkynyl, aryl, heterocyclyl or heteroaryl groups of R 1 , R 2 , R 3 , R 4 and R 5 groups are unsubstituted or substituted with one or more substituents independently selected from the group consisting of halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —N(CO)R b , —C(O)R b , —COOR b and —C(O)NR b R c ;

wherein R 6 is hydrogen, or is selected from the group consisting of (C 1-8 )alkyl, R a O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 3-10 )heterocyclyl(C 1-8 )alkyl-, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl, and (C 4-10 )heteroaryl(C 1-8 )alkyl-; wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3, or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, (C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ;

wherein R 7 , R 8 and R 9 are each independently hydrogen, or are each independently selected from the group consisting of(C 1-8 )alkyl, R b O(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, (C 3-10 )heterocyclyl, (C 6-10 )aryl, (C 6-10 )aryl(C 1-8 )alkyl-, (C 4-10 )heteroaryl; —COOR b , —C(O)R b or —C(O)NR b R c wherein the heterocyclyl, heteroaryl or aryl are unsubstituted or substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, —OR a , —SR a , (C 6-10 )aryl, —O(C 6-10 )aryl, hydroxy(C 1-8 )alkyl, R b R c N(C 1-8 )alkyl, halo(C 1-8 )alkyl, —NR b R c , —C(O)R b , —COOR b and —C(O)NR b R c ; or R 7 and R 8 together with the atoms to which they are attached form a saturated or partially unsaturated, mono-, bicyclic- or aromatic ring having 3, 4, 5, 6, 7 or 8 ring atoms and optionally consisting of 1, 2, 3 or 4 heteroatoms selected from non-peroxide oxy, —S—, sulfinyl, sulfonyl or —N(R b )— in the ring;

R a is hydrogen or (C 1-6 )alkyl; and R b and R c are each independently hydrogen, or are selected from the group consisting of (C 1-6 )alkyl, (C 1-6 )alkoxy, (C 3-8 )cycloalkyl, (C 1-6 )alkylthio, (C 6-10 )aryl, (C 6-10 )aryl(C 1-6 )alkyl-, heteroaryl or heteroaryl(C 1-6 )alkyl-; or R b and R c together with the nitrogen to which they are attached form a pyrrolidyl, piperidyl, piperazinyl, azepinyl, diazepinyl, morpholinyl or thiomorpholinyl ring; and

q is 1, 2, 3, or 4; or

a pharmaceutically acceptable salt thereof.

36. The compound according to claim 1 , wherein the alkyl, alkenyl, cycloalkyl, alkynyl, aryl, heterocyclyl or heteroaryl groups are unsubstituted or substituted with one or more substituents independently selected from the group consisting of (C 1-5 )alkyl, (C 1-5 )alkoxy, aryloxy, heteroaryloxy, amino, halo, cyano, and nitro groups.

37. The compound according to claim 1 , wherein -Z 1 is selected from the group consisting of:

38. The compound according to claim 1 , wherein R 1 is cyclopropyl and R 2 is n-propyl; R is hydrogen and n is 1.

39. The compound according to claim 1 , wherein -Z 1 is selected from the group consisting of:

40. The compound according to claim 1 , wherein -Z 1 is selected from the group consisting of:

41. The compound according to claim 1 , wherein -(L 1 ) n -Z 1 is selected from the group consisting of:

42. A compound selected from the group consisting of:

or a pharmaceutically acceptable salt thereof.

43. The compound of claim 1 selected from the group consisting of:

or a pharmaceutically acceptable salt thereof.

44. A pharmaceutical composition comprising:

(a) a therapeutically effective amount of a compound according to claim 1 ; and

(b) a pharmaceutically acceptable excipient.

45. A method for treating asthma comprising administering an effective amount of a compound of claim 1 to a mammal in need of such treatment.

46. A method for improving insulin sensitivity, comprising administering an effective amount of a compound of claim 1 or a pharmaceutically acceptable salt thereof to a mammal in need of such treatment.

47. The compound of claim 1 wherein -Z-(L 1 ) n -Z 1 selected from the group consisting of:

or a pharmaceutically acceptable salt thereof.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 9, 2013
From: DOGWOOD PHARMACEUTICALS, INC.
To: ADENOSINE THERAPEUTICS, LLC
Reel/Frame 029785/0460 →
CHANGE OF NAME Recorded Jan 28, 2011
From: PGXHEALTH, LLC
To: TROVIS PHARMACEUTICALS, LLC
Reel/Frame 025709/0994 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2009
From: ADENOSINE THERAPEUTICS, LLC
To: PGXHEALTH, LLC
Reel/Frame 022075/0734 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 20, 2007
From: RIEGER, JAYSON M.; THOMPSON, ROBERT D.; WANG, GUOQUAN
To: ADENOSINE THERAPEUTICS, LLC
Reel/Frame 019198/0328 →