Thienopyridine and furopyridine kinase inhibitors

1. A compound of formula (I)

or a therapeutically acceptable salt thereof, wherein

X is S;

Z is C;

R 1 is selected from the group consisting of alkenyl, alkoxyalkynyl, alkoxycarbonyl, alkoxycarbonylalkenyl, alkoxycarbonylalkyl, alkoxycarbonylalkynyl, alkynyl, arylalkenyl, arylalkyl, arylalkynyl, aryloxyalkyl, aryloxyalkynyl, arylsulfanylalkyl, arylsulfanylalkynyl, arylsulfonyloxyalkenyl, carboxy, carboxyalkenyl, carboxyalkyl, carboxyalkynyl, cyanoalkenyl, cyanoalkyl, cyanoalkynyl, cycloalkyl, cycloalkylalkoxyalkynyl, cycloalkylalkenyl, cycloalkylalkynyl, formylalkenyl, formylalkyl, haloalkyl, benzothiazolyl, benzothienyl, benzoxazolyl, furyl, indolyl, pyrazolyl, pyrrolyl, thienyl, benzoheteroarylalkenyl, heteroarylalkyl, heteroarylalkynyl, heteroarylcarbonyl, heteroarylcarbonylalkenyl, heteroarylcarbonylalkyl, heterocyclyl, heterocyclylalkenyl, heterocyclylalkyl, heterocyclylalkylcarbonyl, heterocyclylalkynyl, heterocyclylcarbonyl, heterocyclylcarbonylalkenyl, heterocyclylcarbonylalkyl, heterocyclyloxyalkenyl, hydroxyalkenyl, hydroxyalkyl, hydroxyalkynyl, nitroalkenyl, nitroalkyl, and nitroalkynyl;

R 2 is selected from the group consisting of hydrogen and alkyl;

R 3 is aryl, wherein the aryl is substituted with LR 4 and optionally substituted with one or two additional substituents independently selected from the group consisting of alkoxy, alkyl, aryl, cyano, halo, haloalkoxy, haloalkyl, heteroaryl, heterocyclyl, hydroxy, hydroxyalkyl, and NR a R b ;

L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n , wherein m and n are independently 0 or 1, and wherein each group is drawn with its right end attached to R 4 ;

R 4 is selected from the group consisting of aryl, arylalkyl, heteroaryl, heteroarylalkyl, heterocyclyl, and heterocyclylalkyl; and

R 5 and R 6 are independently selected from the group consisting of hydrogen and alkyl.

2. The compound of claim 1 wherein R 1 is selected from the group consisting of alkynyl, arylalknyl, aryloxyalkynyl, arylsulfanylalkynyl, cyanoalkynyl, heteroarylalkynyl, and hydroxyalkynyl.

3. The compound of claim 1 wherein R 1 is selected from the group consisting of alkoxycarbonylalkenyl, carboxyalkenyl, heteroarylcarbonylalkenyl, and heterocyclylcarbonylalkenyl.

4. The compound of claim 1 wherein R 1 is selected from the group consisting of benzothiazolyl, benzothienyl, benzoxazolyl, furyl, indolyl, pyrazolyl, pyrrolyl, and thienyl.

5. The compound of claim 1 wherein R 1 is selected from the group consisting of alkoxycarbonylalkyl, carboxyalkyl, heterocyclylalkyl, and hydroxyalkyl.

6. The compound of claim 1 wherein R 2 is hydrogen; R 3 is phenyl; R 4 is phenyl; R 5 and R 6 are hydrogen; m is 0; and n is 0.

7. The compound of claim 1 wherein R 1 is selected from the group consisting of alkynyl, arylalkynyl, aryloxyalkynyl, arylsulfanylalkynyl, cyanoalkynyl, cycloalkylalkoxyalkynyl, heteroarylalkynyl, and hydroxyalkynyl; R 2 is hydrogen; R 3 is aryl wherein the aryl is phenyl substituted with LR 4 ; R 4 is aryl wherein the aryl is phenyl optionally substituted with 1 or 2 substituents independently selected from the group consisting of alkyl, alkylcarbonyl, cyano, halogen, and haloalkyl; L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n ; R 5 and R 6 are hydrogen; m is 0; and n is 0.

8. The compound of claim 1 wherein R 1 is selected from the group consisting of alkynyl, arylalkynyl, aryloxyalkynyl, arylsulfanylalkynyl, cyanoalkynyl, cycloalkylalkoxyalkynyl, heteroarylalkynyl, and hydroxyalkynyl; R 2 is hydrogen; R 3 is aryl wherein the aryl is phenyl substituted with LR 4 ; R 4 is aryl wherein the aryl is phenyl optionally substituted with 1 or 2 substituents independently selected from the group consisting of alkyl, alkylcarbonyl, cyano, halogen, and haloalkyl; L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n ; R 5 and R 6 are hydrogen; m is 0; and n is 0.

9. The compound of claim 1 wherein R 1 is selected from the group consisting of alkenyl, arylalkenyl, heterocyclylalkenyl, and hydroxyalkenyl; R 2 is hydrogen; R 3 is aryl wherein the aryl is phenyl substituted with LR 4 ; R 4 is aryl wherein the aryl is phenyl optionally substituted with 1 or 2 substituents independently selected from the group consisting of alkyl, alkylcarbonyl, cyano, halogen, and haloalkyl; L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n ; R 5 and R 6 are hydrogen; m is 0; and n is 0.

10. The compound of claim 1 wherein R 1 is heteroaryl wherein the heteroaryl is selected from the group consisting of benzothiazolyl, benzothienyl, benzoxazolyl, furyl, indolyl, pyrazolyl, pyrrolyl, and thienyl wherein the heteroaryl is optionally substituted with 1 or 2 substituents selected from the group consisting of alkoxy, alkyl, formyl, halogen, alkylcarbonyl, hydroxy, and haloalkyl; R 2 is hydrogen; R 3 is aryl wherein the aryl is phenyl substituted with LR 4 ; R 4 is aryl wherein the aryl is phenyl optionally substituted with 1 or 2 substituents independently selected from the group consisting of alkyl, alkylcarbonyl, cyano, halogen, and haloalkyl; L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n ; R 5 and R 6 are hydrogen; m is 0; and n is 0.

11. The compound of claim 1 wherein R 1 is selected from the group consisting of alkoxycarbonyl, and carboxy; R 2 is hydrogen; R 3 is aryl wherein the aryl is phenyl substituted with LR 4 ; R 4 is aryl wherein the aryl is phenyl optionally substituted with 1 or 2 substituents independently selected from the group consisting of alkyl, alkylcarbonyl, cyano, halogen, and haloalkyl; L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n ; R 5 and R 6 are hydrogen; m is 0; and n is 0.

12. The compound of claim 1 wherein R 1 is selected from the group consisting of heterocyclyl, heterocyclylalkynyl, heterocyclylcarbonyl, and heterocyclylalkyl, wherein the heterocyclyl is selected from the group consisting of morpholinyl, piperazinyl, and piperidinyl, wherein the heterocyclyl is optionally substituted with 1 or 2 substituents selected from the group consisting of alkoxy, alkoxycarbonyl, alkyl, alkylcarbonyl, oxo, phenyl, pyrimidinyl, pyridinyl, and (NR a R b )alkyl; R 2 is hydrogen; R 3 is aryl wherein the aryl is phenyl substituted with LR 4 ; R 4 is aryl wherein the aryl is phenyl optionally substituted with 1 or 2 substituents independently selected from the group consisting of alkyl, alkylcarbonyl, cyano, halogen, and haloalkyl; L is (CH 2 ) m N(R 5 )C(O)N(R 6 )(CH 2 ) n ; R 5 and R 6 are hydrogen; m is 0; and n is 0.

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

tert-butyl(2E)-3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}acrylate;

(2E)-3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}acrylic acid;

N-(4-{4-amino-7-[(1E)-3-oxo-3-(3-oxo-1-piperazinyl)-1-propenyl]thieno[3,2-c]pyridin-3-yl}phenyl)-N′-(3-methylphenyl)urea;

N-(4-{4-amino-7-[(1E)-3-oxo-3-(1-piperazinyl)-1-propenyl]thieno[3,2-c]pyridin-3-yl}phenyl)-N′-(3-methylphenyl)urea;

N-(4-{4-amino-7-[(1E)-3-(4-morpholinyl)-3-oxo-1-propenyl]thieno[3,2-c]pyridin-3-yl}phenyl)-N′-(3-methylphenyl)urea;

N-(4-{4-amino-7-[(1E)-3-(5-amino-1H-pyrazol-1-yl)-3-oxo-1-propenyl]thieno[3,2-c]pyridin-3-yl}phenyl)-N′-(3-methylphenyl)urea;

tert-butyl 3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}propanoate;

3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}propanoic acid;

3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}propanoic acid;

ethyl (2E)-3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}acrylate;

ethyl 3-{4-amino-3-[4-({[(3-methylphenyl)amino]carbonyl}amino)phenyl]thieno[3,2-c]pyridin-7-yl}propanoate;

N-{4-[4-amino-7-(2-methoxy-5-pyrimidinyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-[2-fluoro-5-(trifluoromethyl)phenyl]urea;

N-{4-[4-amino-7-(2-methoxy-5-pyrimidinyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-[3-(trifluoromethyl)phenyl]urea;

N-{4-[4-amino-7-(5-pyrimidinyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(5-pyrimidinyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-[2-fluoro-5-(trifluoromethyl)phenyl]urea;

N-{4-[4-amino-7-(4-hydroxy-1-butynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(3-phenoxy-1-propynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(4-pyridinylethynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(3-hydroxy-1-propynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(3-hydroxy-1-propynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-[3-(phenylsulfanyl)-1-propynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(4-cyano-1-butynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(1-pentynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(4-phenyl-1-butynyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(4-hydroxybutyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(hydroxymethyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(4-morpholinylmethyl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-[(3-oxo-1-piperazinyl)methyl]thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea;

N-{4-[4-amino-7-(1H-indol-5-yl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-[2-fluoro-5-(trifluoromethyl)phenyl]urea;

N-{4-[4-amino-7-(1H-indol-5-yl)thieno[3,2-c]pyridin-3-yl]phenyl}-N′-(3-methylphenyl)urea; and

N-(4-{4-amino-7-[(3-oxo-1-piperazinyl)methyl]thieno[3,2-c]pyridin-3-yl}phenyl)-N′-[3-(trifluoromethyl)phenyl]urea.

14. A pharmaceutical composition comprising a compound of claim 1 or a therapeutically acceptable salt thereof, in combination with a therapeutically acceptable carrier.