Heterocycles as modulators of kinase activity

1. A compound of Formula (I)

wherein:

R 1 is Hal, LA, OH, O(LA), NH 2 and/or NH(LA), N(LA) 2 , NO 2 , CN, OCN, COOH, COO(LA), CONH 2 , CONH(LA), CON(LA) 2 , NHCO(LA), NHCONH(LA), NHCONH 2 , NHSO 2 (LA), CHO, CO(LA),

or a mono- or bicyclic, aliphatic or aromatic homo- or heterocycle having 0, 1, 2, 3 or 4 N and/or O atoms and 4, 5 or 6, 7, 8, 9, or 10 skeleton atoms which may be unsubstituted or, independently of one another, mono-, di- or trisubstituted by Hal, LA, OH, O(LA), NH 2 and/or NH(LA), N(LA) 2 , NO 2 , CN, OCN, COOH, COO(LA), CONH 2 , CONH(LA), CON(LA) 2 , NHCO(LA), NHCONH(LA), NHCONH 2 , CHO and/or CO(LA) or an unbranched or branched linear or cyclic alkyl having 1, 2, 3, 4, 5, 6, 7 or 8 C atoms, in which one or two CH 2 groups may be replaced by an O atom and/or by an —NH—, NH(LA), —CO—, —NHCO— or —CH═CH— group, and/or in which a CH group may be replaced by —N—;

R A is H;

each R 2 is independently Hal, OH or A;

A is unbranched or branched alkyl group having 1, 2, 3, 4, 5 of 6 C atoms in which 1-4 H atoms can be replaced, independently of each other, by Hal;

R 3 H, or an unbranched or branched linear or mono- or bicyclic alkyl group having 1, 2, 3, 4, 5, 6, 7, 8 or 9 C atoms, in which one or two CH 2 groups may be replaced by an —O— or —NH— group, and/or in which one or two CH groups may be replaced by —N— and/or in which 1, 2 or 3 H atoms may be replaced by Hal or OH; or R 3 is unbranched or branched alkyl group having 1, 2, 3, 4, 5 of 6 C atoms, which is substituted by a 3-6 membered heterocyclic ring, which may be further optionally substituted;

R 4 is C 5-10 aryl, a 3-8 membered saturated or partially unsaturated carbocyclic ring, a 3-7 membered heterocylic ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur, or a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur; each of which is mono-, di- or trisubstituted by Hal, LA, OH, O(LA), NH 2 and/or NH(LA), N(LA) 2 , NO 2 , CN, OCN, COOH, COO(LA), CONH 2 , CONH(LA), CON(LA) 2 , NHCO(LA), NHCONH(LA), NHCONH 2 , NHSO 2 (LA), CHO or CO(LA);

LA is an unbranched or branched, saturated or partially unstaturated, linear hydrocarbon chain having 1, 2, 3 or 4 C atoms, wherein 1, 2 or 3 H atoms may be replaced by Hal;

Hal is F, Cl, Br or I; and

n is 1 or 2.

2. The compound of claim 1 wherein R 1 is CN, CONH 2 , Hal, O(LA), or an unbranched or branched linear or cyclic alkyl having 1, 2, 3, 4, 5, 6, 7 or 8 C atoms, in which one or two CH 2 groups may be replaced by an O atom and/or by an —NH—, NH(LA), —CO—, —NHCO— or —CH═CH— group, and/or in which a CH group may be replaced by —N—.

3. The compound of claim 2 , wherein R 1 is selected from Table 1

TABLE 1

Substituents for R 1 in Formula (I):

4. The compound of claim 1 wherein each R 2 is independently Hal, OH, methyl, ethyl, n-propyl, i-propyl, n-butyl, s-butyl, t-butyl, straight chain or branched pentyl, or straight chain or branched hexyl.

5. The compound of claim 4 wherein each R 2 is independently F, OH, or methyl.

6. The compound of claim 1 , wherein R 3 is H.

7. The compound of claim 1 , wherein R 3 is selected from Table 2:

TABLE 2

Substituents for R 3 in Formula (I):

8. The compound of claim 1 , wherein R 4 is C 5-10 aryl or a 5-6 membered monocyclic heteroaryl ring having 1-4 heteroatoms independently selected from nitrogen, oxygen, or sulfur; each of which is mono-, di- or trisubstituted by Hal, LA, OH, O(LA), NH 2 and/or NH(LA), N(LA) 2 , NO 2 , CN, OCN, COOH, COO(LA), CONH 2 , CONH(LA), CON(LA) 2 , NHCO(LA), NHCONH(LA), NHCONH 2 , NHSO 2 (LA), CHO or CO(LA).

9. The compound of claim 8 , wherein R 4 is selected from Table 3

TABLE 3

Substituents for R 4 in Formula (I):

10. The compound of claim 1 , of formula (II):

or a pharmaceutically acceptable salt thereof.

11. The compound of claim 1 , of formula (III):

or a pharmaceutically acceptable salt thereof.

12. The compound of claim 1 , of formula (IV):

or a pharmaceutically acceptable salt thereof.

13. The compound of claim 1 , of formula (V):

or a pharmaceutically acceptable salt thereof.

14. A compound according to claim 1 , selected from the group consisting of:

4-Amino-6-{3,4-cis-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (racemic) (“1”);

4-Amino-6-{3,4-cis-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxamide (racemic) (“2”);

4-amino-6-[(3R,4S)-4-[1-[2-(azetidin-1-yl)ethyl]-4-[4-fluoro-3-(trifluoromethyl)phenyl]imidazol-2-yl]-3-fluoro-1-piperidyl]pyrimidine-5-carboxamide (chiral) (“3”);

4-amino-6-[(3S,4R)-4-[1-[2-(azetidin-1-yl)ethyl]-4-[4-fluoro-3-(trifluoromethyl)phenyl]imidazol-2-yl]-3-fluoro-1-piperidyl]pyrimidine-5-carboxamide (chiral) (“4”);

4-Amino-6-{3,4-cis-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-methyl-piperidin-1-yl}-pyrimidine-5-carbonitrile (racemic) (“5”);

4-Amino-6-{3,4-cis-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-methyl-piperidin-1-yl}-pyrimidine-5-carboxamide (racemic) (“6”);

4-amino-6-{3,4-trans-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (racemic) (“7”);

4-Amino-6-{3,4-trans-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxamide (racemic) (“8”);

4-amino-6-{3,4-cis-4-[1-(2-dimethylaminoethyl)-4-(4-fluoro-3-methyl-phenyl)imidazol-2-yl]-3-fluoro-1-piperidyl]}-pyrimidine-5-carbonitrile (racemic) (“9”);

6-{3,4-cis-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-chloro-pyrimidin-4-ylamine (racemic) (“10”);

6-{3,4-trans-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-chloro-pyrimidin-4-ylamine (racemic) (“11”);

5-chloro-6-{3,4-cis-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidin-4-ylamine (racemic) (“12”);

6-{3,4-cis-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-ethyl-pyrimidin-4-ylamine (racemic) (“13”);

4-Amino-6-{3,4-cis-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (racemic) (“14”);

4-Amino-6-{3,4-cis-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (racemic) (“15”);

6-{3,4-cis-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-ethoxy-pyrimidin-4-ylamine (racemic) (“16”);

6-{cis-4-[1-(2-Dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“17”);

4-Amino-6-{cis-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (racemic) (“18”);

4-Amino-6-{cis-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxylic acid amide (racamic) (“19”);

4-Amino-6-{(3S,4R)-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxylic acid amide (chiral) (“20”);

4-Amino-6-{(3R,4S)-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxylic acid amide (chiral) (“21”);

6-{(3R,4S)-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-ethoxy-pyrimidin-4-ylamine (chiral) (“22”);

6-{(3S,4R)-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-ethoxy-pyrimidin-4-ylamine (chiral) (“23”);

6-{cis-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“24”);

5-Chloro-6-cis-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidin-4-ylamine (racemic) (“25”);

6-{cis-3-Fluoro-4-[4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“26”);

4-Amino-6-{(3R,4S)-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxylic acid amide (chiral) (“27”);

4-Amino-6-{(3S,4R)-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carboxylic acid amide (chiral) (“28”);

5-Chloro-6-{(3R,4S)-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidin-4-ylamine (chiral) (“29”);

5-Chloro-6-{(3S,4R)-4-[1-(2-dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidin-4-ylamine (chiral) (“30”);

6-{(3S,4R)-4-[1-(2-Dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (chiral) (“31”);

6-{(3R,4S)-4-[1-(2-Dimethylamino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (chiral) (“32”);

6-{cis-4-[1-(2-Amino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“33”);

6-{(3S,4R)-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (chiral) (“34”);

6-{(3R,4S)-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (chiral) (“35”);

6-{(cis-4-[1-(2-Amino-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-chloro-pyrimidin-4-ylamine (racemic) (“36”);

6-{cis-3-Fluoro-4-[4-(4-fluoro-3-methyl-phenyl)-1-(2-isopropylamino-ethyl)-1H-imidazol-2-yl]-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“37”);

6-{cis-3-Fluoro-4-[4-(4-fluoro-3-methyl-phenyl)-1-(2-methylamino-ethyl)-1H-imidazol-2-yl]-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“38”);

6-{cis-4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropoxy-pyrimidin-4-ylamine (racemic) (“39”);

4-Amino-6-{(3R,4S)-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-trifluoromethyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (chiral) (“40”);

6-{cis-4-[1-Azetidin-3-ylmethyl-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3-fluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (racemic) (“41”);

4-Amino-6-{4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-4-hydroxy-piperidin-1-yl}-pyrimidine-5-carbonitrile (“44”);

1-(6-Amino-5-isopropyl-pyrimidin-4-yl)-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-piperidin-4-ol (“45”);

1-(6-Amino-5-ethyl-pyrimidin-4-yl)-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-piperidin-4-ol (“46”);

1-(6-Amino-5-chloro-pyrimidin-4-yl)-4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-piperidin-4-ol (“47”);

4-Amino-6-{4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3,3-difluoro-piperidin-1-yl}-pyrimidine-5-carbonitrile (“48”);

4-Amino-6-{4-[1-(2-azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3,3-difluoro-piperidin-1-yl}-pyrimidine-5-carboxylic acid amide (“49”); and

6-{4-[1-(2-Azetidin-1-yl-ethyl)-4-(4-fluoro-3-methyl-phenyl)-1H-imidazol-2-yl]-3,3-difluoro-piperidin-1-yl}-5-isopropyl-pyrimidin-4-ylamine (“50”);

and pharmaceutically acceptable salts, solvates or prodrugs thereof.

15. A pharmaceutical composition comprising a compound according to claim 1 , or a pharmaceutically acceptable salt, or solvate thereof, as active ingredient, together with a pharmaceutically acceptable carrier.

16. A method for treating cancer, comprising administering to a subject a compound of claim 1 , or a pharmaceutically acceptable salt, solvate or prodrug thereof.

17. The method of claim 16 , wherein said cancer is selected from the group consisting of brain, lung, colon, epidermoid, squamous cell, bladder, gastric, pancreatic, breast, head, neck, renal, kidney, liver, ovarian, prostate, colorectal, uterine, rectal, oesophageal, testicular, gynecological, thyroid cancer, melanoma, hematologic malignancies such as acute myelogenous leukemia, multiple myeloma, chronic myelogneous leukemia, myeloid cell leukemia, glioma and Kaposi's sarcoma.

18. A kit comprising separate packs of:

a) an effective amount of a compound according to claim 1 or a pharmaceutically acceptable salt, solvate or prodrug thereof, and

b) an effective amount of a further medicament active ingredient.