Kinase inhibitors useful for the treatment of myleoproliferative diseases and other proliferative diseases

1. Compounds of the formula Ia

and pharmaceutically acceptable salts thereof;

wherein E1 is phenyl, and wherein the E1 ring is substituted with one to three R16 moieties;

wherein A is selected from the group consisting of imidazolyl, and pyrazolyl;

G1 is a heteroaryl taken from the group consisting of pyrrolyl, furyl, thienyl, oxazolyl, thiazolyl, isoxazolyl, isothiazolyl, imidazolyl, pyrazolyl, oxadiazolyl, thiadiazolyl, triazolyl, tetrazolyl, pyrazinyl, pyridazinyl, triazinyl, pyridinyl, and pyrimidinyl;

G4 is a heterocyclyl taken from the group consisting of oxetanyl, azetadinyl, tetrahydrofuranyl, pyrrolidinyl, oxazolinyl, oxazolidinyl, imidazolonyl, pyranyl, thiopyranyl, tetrahydropyranyl, dioxalinyl, piperidinyl, morpholinyl, thiomorpholinyl, thiomorpholinyl S-oxide, thiomorpholinyl S-dioxide, piperazinyl, azepinyl, oxepinyl, diazepinyl, tropanyl, and homotropanyl;

The A ring is substituted at any substitutable position with one A1 moiety, wherein A1 is selected from the group consisting of:

and wherein the symbol (**) is the point of attachment to the A ring of formula Ia;

and wherein ---- indicates either a saturated or unsaturated bond;

the A ring is optionally substituted with one or more R2 moieties;

X2 is a direct bond wherein E1 is directly linked to the NR3 group of formula Ia;

X3 is —O—;

V, V1, and V2 are each independently O or represent two hydrogens attached to the methylene carbon to which the V, V1, or V2 is attached;

each Z3 is independently and individually selected from the group consisting of H, C1-C6alkyl, branched C3-C7alkyl, C3-C8carbocyclyl, halogen, fluoroC1-C6alkyl wherein the alkyl moiety can be partially or fully fluorinated, cyano, hydroxyl, methoxy, oxo, (R3) 2 NC(O)—, (R4) 2 NC(O)—, —N(R4)C(O)R8, (R3) 2 NSO 2 —, (R4) 2 NSO 2 —, —N(R4)SO 2 R5, —N(R4)SO 2 R8, —(CH 2 )N(R3) 2 , —(CH 2 ) q N(R4) 2 , —O(CH 2 ) q N(R4) 2 , —O(CH 2 ) q O—C1-C6alkyl, —N(R3)(CH 2 ) q O—C1-C6alkyl, —N(R3)(CH 2 ) q N(R4) 2 , —O(CH 2 ) q R5, —N(R3)(CH 2 ) q R5, —C(O)R5, —C(O)R8, and nitro;

in the event that Z3 contains an alkyl or alkylene moiety, such moieties may be further substituted with one or more C1-C6alkyls;

each Z4 is independently and individually selected from the group consisting of H, C1-C6alkyl, hydroxyC2-C6alkyl, C1-C6alkoxyC2-C6alkyl, (R4) 2 N—C2-C6alkyl, (R4) 2 N—C2-C6alkylN(R4)-C2-C6alkyl, (R4) 2 N—C2-C6alkyl-O—C2-C6alkyl, (R4) 2 NC(O)—C1-C6alkyl, carboxyC1-C6alkyl-, C1-C6alkoxycarbonylC1-C6alkyl-, —C2-C6alkylN(R4)C(O)R8, R8-C(═NR3)-, —SO 2 R8, —C(O)R8, —(CH 2 ) n G1, —(CH 2 ) n G4, —(CH 2 ) q O(CH 2 ) n G1, —(CH 2 ) q O(CH 2 ) n G4, —(CH 2 ) q N(R3)(CH 2 ) n G1, —(CH 2 ) q N(R3)(CH 2 ) n G4, —(CH 2 ) q NHC(O)(CH 2 ) n R5, —(CH 2 ) q C(O)NH(CH 2 ) q R5, —(CH 2 ) q C(O)R5, —(CH 2 ) q OC(O)R5, —(CH 2 ) q R5, —(CH 2 ) q NR4(CH 2 ) q R5, and —(CH 2 ) q O(CH 2 ) q R5;

in the event that Z4 contains an alkyl or alkylene moiety, such moieties may be further substituted with one or more C1-C6alkyls;

each Z6 is independently and individually selected from the group consisting of H, C1-C6alkyl, branched C3-C7alkyl, hydroxyl, hydroxyC1-C6alkyl, hydroxyC2-C6 branched alkyl, C1-C6alkoxy, C1-C6alkoxyC1-C6alkyl-, C1-C6alkoxyC2-C6 branched alkyl-, C2-C6 branched alkoxy-, C1-C6alkylthio-, (R3) 2 N—, —N(R3)C(O)R8, (R4) 2 N—, —R5, —N(R4)C(O)R8, —N(R3)SO 2 R6, —C(O)N(R3) 2 , —C(O)N(R4) 2 , —C(O)R5, —SO 2 NH(R4), halogen, fluoroC1-C6alkyl wherein the alkyl is fully or partially fluorinated, cyano, fluoroC1-C6alkoxy wherein the alkyl is fully or partially fluorinated, —O(CH 2 ) q N(R4) 2 , —N(R3)(CH 2 ) q N(R4) 2 , —O(CH 2 ) q O—C1-C6alkyl, —O(CH 2 ) q N(R4) 2 , —N(R3)(CH 2 ) q O—C1-C6alkyl, —N(R3)(CH 2 ) q N(R4) 2 , —O(CH 2 ) q R5, N(R3)(CH 2 ) q R5, —(NR3) r R17, —(O) r R17, —(S) r R17, —(CH 2 ) n R17, —R17, —(CH 2 ) n G1, —(CH 2 ) n G4, —(CH 2 ) n O(CH 2 ) n G1, —(CH 2 ) n O(CH 2 ) n G4, —(CH 2 ) n N(R3)(CH 2 ) n G1, and —(CH 2 ) n N(R3)(CH 2 ) n G4;

each R2 is selected from the group consisting of Z3-substituted aryl, Z3-substituted G1-, Z3-substituted G4-, C1-C6 alkyl, branched C3-C8alkyl, R19 substituted C3-C8cycloalkyl fluoroC1-C6alkyl wherein the alkyl is fully or partially fluorinated, cyano, C1-C6alkoxy, and fluoroC1-C6alkoxy wherein the alkyl group is fully or partially fluorinated;

wherein each R3 is independently and individually selected from the group consisting of H, C1-C6alkyl, branched C3-C7alkyl, C3-C7-carbocyclyl, and Z3-substituted phenyl;

each R4 is independently and individually selected from the group consisting of H, C1-C6alkyl, hydroxyC1-C6alkyl-, dihydroxyC1-C6alkyl-, C1-C6alkoxyC1-C6alkyl-, branched C3-C7alkyl-, branched hydroxyC1-C6alkyl-, branched C1-C6alkoxyC1-C6alkyl-, branched dihydroxyC2-C6alkyl-, —(CH 2 ) p N(R7) 2 , —(CH 2 ) p R5, —(CH 2 ) p C(O)N(R7) 2 , —(CH 2 ) n C(O)R5, —(CH 2 ) n C(O)OR3, C3-C7-carbocyclyl, hydroxyl substituted C3-C7-carbocyclyl-, alkoxy substituted C3-C7-carbocyclyl-, dihydroxyl substituted C3-C7-carbocyclyl-, and —(CH 2 ) n R17;

each R5 is independently and individually selected from the group consisting of

and wherein the symbol (##) is the point of attachment of the R5 moiety;

each R6 is independently and individually selected from the group consisting of C1-C6alkyl, branched C3-C7alkyl, C3-C7-carbocyclyl, phenyl, G1, and G4;

each R7 is independently and individually selected from the group consisting of H, C1-C6alkyl, hydroxyC2-C6alkyl-, dihydroxyC2-C6alkyl-, C2-C6alkoxyC2-C6alkyl-, branched C3-C7alkyl-, branched hydroxyC2-C6 alkyl-, branched C2-C6alkoxyC2-C6alkyl-, branched dihydroxyC2-C6alkyl-, —(CH 2 ) q R5, —(CH 2 ) n C(O)R5, —(CH 2 ) n C(O)OR3, C3-C7-carbocyclyl, hydroxyl substituted C3-C7-carbocyclyl-, alkoxy substituted C3-C7-carbocyclyl-, dihydroxy substituted C3-C7-carbocyclyl, and —(CH 2 ) n R17;

each R8 is independently and individually selected from the group consisting of C1-C6alkyl, branched C3-C7alkyl, fluoroC1-C6alkyl wherein the alkyl moiety is partially or fully fluorinated, C3-C7-carbocyclyl, phenyl-, phenylC1-C6alkyl-, G1, G1-C1-C6alkyl-, G4, G4-C1-C6alkyl-, OH, C1-C6alkoxy, N(R3) 2 , N(R4) 2 , and R5;

each R9 is independently and individually selected from the group consisting of H, F, C1-C6alkyl, branched C3-C7alkyl, C3-C7-carbocyclyl, phenyl, phenyl-C1-C6alkyl-, —(CH 2 ) n G1, and —(CH 2 ) n G4;

each R10 is independently and individually selected from the group consisting of CO 2 H, CO 2 C1-C6alkyl, —C(O)N(R4) 2 , OH, C1-C6alkoxy, and —N(R4) 2 ;

each R14 is independently and respectively selected from the group consisting of H, C1-C6alkyl, branched C3-C6alkyl, and C3-C7-carbocyclyl;

R16 is independently and individually selected from the group consisting of fluorine and methyl;

each R17 is taken from the group comprising phenyl, naphthyl, pyrrolyl, furyl, thienyl, oxazolyl, thiazolyl, isoxazolyl, isothiazolyl, imidazolyl, pyrazolyl, oxadiazolyl, thiadiazolyl, triazolyl, tetrazolyl, pyrazinyl, pyridazinyl, triazinyl, oxetanyl, azetadinyl, tetrahydrofuranyl, oxazolinyl, oxazolidinyl, pyranyl, thiopyranyl, tetrahydropyranyl, dioxalinyl, azepinyl, oxepinyl, and diazepinyl;

wherein R17 can be optionally substituted with an R3 substituent;

R19 is H or C1-C6 alkyl;

n is 0-6; p is 1-4; q is 2-6; r is 0 or 1; t is 1-3, and v is 1 or 2.

2. Compounds of claim 1 having the formula Ib

wherein A is pyrazolyl.

3. A compound of claim 1 having the formula Iv:

wherein A is imidazolyl.

4. A pharmaceutical composition comprising a compound of claim 1 together with a pharmaceutically acceptable carrier, said carrier including an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.

5. A compound selected from the group consisting of

1-(3-tert-butyl-1-(1,2,3,4-tetrahydroisoquinolin-6-yl)-1H-pyrazol-5-yl)-3-(3-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(1,2,3,4-tetrahydroisoquinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(3-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-5-(pyridin-3-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(3-methyl-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(4-(2-carbamoylpyridin-4-yloxy)-2-fluorophenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(methylamino)pyridin-4-yloxy)phenyl)urea,

1-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(3-ethyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-cyclopentyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-5-(6-(hydroxymethyl)pyridin-3-yloxy)phenyl)urea,

1-(3-tert-butyl-1-(1,2,3,4-tetrahydroisoquinolin-6-yl)-1H-pyrazol-5-yl)-3-(4-methyl-3-(pyridin-3-yloxy)phenyl)urea,

1-(4-(2-carbamoylpyridin-4-yloxy)-2-fluorophenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(3-methyl-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea,

1-(4-(2-carbamoylpyridin-4-yloxy)-2-fluorophenyl)-3-(3-ethyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-5-(6-(methylcarbamoyl)pyridin-3-yloxy)phenyl)urea,

1-(4-(2-carbamoylpyridin-4-yloxy)-3-methylphenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(2-fluoro-4-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)phenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(3-ethyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)phenyl)urea,

1-(4-(2-(1H-pyrazol-4-yl)pyridin-4-yloxy)-3-methylphenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(3-tert-butyl-1-(1,2,3,4-tetrahydroisoquinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)phenyl)urea,

1-(4-(2-(1H-pyrazol-4-yl)pyridin-4-yloxy)-2-fluorophenyl)-3-(3-tert-butyl-1-(1,2,3,4-tetrahydroisoquinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(4-(2-(1H-pyrazol-4-yl)pyridin-4-yloxy)-2-fluorophenyl)-3-(3-tert-butyl-1-(1,2,3,4-tetrahydroisoquinolin-7-yl)-1H-pyrazol-5-yl)urea,

1-(3-fluoro-4-(2-(isopropylamino)pyridin-4-yloxy)phenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea,

1-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(4-(2-(isopropylamino)pyridin-4-yloxy)-3-methylphenyl)urea,

1-(3-ethyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-3-methyl-4-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)phenyl)urea, and

1-(2,3-difluoro-4-(2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yloxy)phenyl)-3-(3-ethyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea and pharmaceutically acceptable salts, and tautomers thereof.

6. The compound 1-(4-(2-carbamoylpyridin-4-yloxy)-2-fluorophenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea and pharmaceutically acceptable salts, and tautomers thereof.

7. The compound 1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(3-methyl-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea and pharmaceutically acceptable salts, and tautomers thereof.

8. The compound 1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea and pharmaceutically acceptable salts, and tautomers thereof.

9. The compound 1-(3-tert-butyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)-3-(4-(2-carbamoylpyridin-4-yloxy)-2-fluorophenyl)urea and pharmaceutically acceptable salts, and tautomers thereof.

10. The compound 1-(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)-3-(3-isopropyl-1-(quinolin-6-yl)-1H-pyrazol-5-yl)urea and pharmaceutically acceptable salts, and tautomers thereof.

11. A pharmaceutical composition comprising a compound of claim 5 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

12. A pharmaceutical composition comprising the compound of claim 6 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

13. A pharmaceutical composition comprising the compound of claim 7 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

14. A pharmaceutical composition comprising the compound of claim 8 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

15. A pharmaceutical composition comprising the compound of claim 9 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

16. A pharmaceutical composition comprising the compound of claim 10 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

17. The pharmaceutical composition of claim 11 , further comprising an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.

18. A pharmaceutical composition of claim 12 , further comprising an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.

19. A pharmaceutical composition of claim 13 , further comprising an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.

20. A pharmaceutical composition of claim 14 , further comprising an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.

21. A pharmaceutical composition of claim 15 , further comprising an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.

22. A pharmaceutical composition of claim 16 , further comprising an additive selected from the group consisting of adjuvants, excipients, diluents, and stablilizers.