Quinolone derivatives as fibroblast growth factor receptor inhibitors

1. A method of treating a cancer selected from breast cancer, gastric cancer, head and neck cancer, and 8,11-myeloproliferative syndrome, in a patient which method comprises administering to the patient in recognized need thereof, a pharmaceutical composition comprising a compound of Formula (III):

and/or a pharmaceutically acceptable salt thereof;

wherein:

J is N;

J′ is CH;

Ar is phenyl optionally substituted with one, two, three, or four substituents independently selected from hydroxy, alkoxy, and halo;

R 2 is hydrogen, alkyl, alkynyl, haloalkyl, cycloalkyl optionally substituted with hydroxy, cycloalkylalkyl, hydroxyalkyl, alkoxyalkyl, alkoxyalkyloxyalkyl, heterocyclyl, or heterocyclylalkyl; and

(i) Q is alkylene or substituted alkylene; and

X is a group of formula (a):

wherein:

R 3 is hydrogen, alkyl, or hydroxy;

R 4 is hydrogen, alkyl, or hydroxy;

Y is —CO—;

R c is hydrogen, alkyl, or substituted alkyl; and

R d is hydrogen or alkyl; or

R d and the hydrogen atom on carbon attached to group Y can form a bond to give a triple bond

and a pharmaceutically acceptable excipient, optionally administered in combination with at least one other anticancer agent.

2. The method of claim 1 , wherein the at least one other anticancer agent is selected from EGFR, MET, VEGFR, PI3K, MTOR, MEK, Proteasome, or Ubiquitin Ligase inhibitors.

3. The method of claim 1 , wherein in Formula (III), Q is n-propylene.

4. The method of claim 1 , wherein

in -Q-X of formula

5. The method of claim 1 , wherein in Formula (III), R 2 is hydrogen, alkyl, or alkynyl.

6. The method of claim 1 , wherein in Formula (III), R 2 is alkyl.

7. The method of claim 1 , wherein in Formula (III), Ar is phenyl optionally substituted with one, two, three, or four substituents independently selected from alkoxy, and halo.

8. The method of claim 1 , wherein in Formula (III), Ar is 3-methoxyphenyl, 2-halo-3-methoxyphenyl, 2-halo-5-methoxyphenyl, 2-halo-3,5-dimethoxyphenyl, 2,6-dihalo-3,5-dimethoxyphenyl, 2,6-dihalo-3-hydroxy-5-methoxyphenyl, 3,5-dimethoxyphenyl, 2-halophenyl, or 2,6-dihalophenyl.

9. The method of claim 1 , wherein in Formula (III), Ar is 2-chloro-3,5-dimethoxy-phenyl, 3,5-dimethoxyphenyl, 2-chlorophenyl, 2,6-dichloro-3-hydroxy-5-methoxyphenyl, or 2,6-dichloro-3,5-dimethoxyphenyl.

10. The method of claim 1 , wherein in Formula (III), Y is —CO— and R c and R d are hydrogen.

11. The method of claim 1 , wherein in Formula (III), Y is —CO—, R c is alkyl and R d is hydrogen.

12. The method of claim 1 , wherein in Formula (III), R d and the hydrogen atom on carbon attached to group Y form a bond to give a triple bond.

13. A method of treating a cancer selected from breast cancer, gastric cancer, head and neck cancer, and 8,11-myeloproliferative syndrome, in a patient, which method comprises administering to the patient in recognized need thereof, a pharmaceutical composition comprising a compound selected from:

8-(2-(4-acryloylpiperazin-1-yl)ethyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(2-(4-acryloylpiperazin-1-yl)ethyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-2-((cyclopropylmethyl)amino)-6-(2,6-dichloro-3,5-dimethoxyphenyl)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(ethylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(2-hydroxy-2-methylpropyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(2-hydroxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(isopropylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(prop-2-yn-1-ylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2-hydroxy-2-methylpropyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(prop-2-yn-1-ylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-2-((cyclopropylmethyl)amino)-6-(2-chloro-3,5-dimethoxyphenyl)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2-hydroxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-((2R,6S)-4-acryloyl-2,6-dimethylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-((3 S,5R)-4-acryloyl-3,5-dimethylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-((3 S,5R)-4-acryloyl-3,5-dimethylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-((1-((4-acryloylpiperazin-1-yl)methyl)cyclopropyl)methyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-((1-((4-acryloylpiperazin-1-yl)methyl)cyclopropyl)methyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-((2R,6S)-4-acryloyl-2,6-dimethylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)-2,2-dimethylpropyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)-2,2-dimethylpropyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2,2-difluoroethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-((tetrahydro-2H-pyran-4-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-di chloro-3,5-dimethoxyphenyl)-2-((tetrahydro-2H-pyran-4-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(S)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(1-methoxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-((2-isopropoxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(((tetrahydrofuran-2-yl)methyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(R)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-((tetrahydrofuran-3-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(S)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-((1-methoxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2-morpholinoethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((2,2-difluoroethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((2-methoxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((2-isopropoxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2,2,2-trifluoroethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2-methoxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(2-ethoxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(1,3-dimethoxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(S)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-((tetrahydrofuran-3-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-3,5-dimethoxyphenyl)-2-(((tetrahydro-2H-pyran-4-yl)methyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((2-ethoxyethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(((tetrahydro-2H-pyran-4-yl)methyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((2,2,2-trifluoroethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(R)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((tetrahydrofuran-3-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((1,3-dimethoxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(S)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((tetrahydrofuran-3-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-di chloro-3,5-dimethoxyphenyl)-2-(((tetrahydrofuran-2-yl)methyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-2-amino-6-(2,6-dichloro-3,5-dimethoxyphenyl)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-di chloro-3,5-dimethoxyphenyl)-2-((2-(2-methoxyethoxy)ethyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(((1r,4r)-4-hydroxycyclohexyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(oxetan-3-ylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(R)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((1-methoxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-chloro-6-fluoro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2-fluoro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(S)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((1-hydroxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-difluoro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(S)-8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-((1-ethoxypropan-2-yl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(E)-8-(3-(4-(but-2-enoyl)piperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

(E)-2-amino-8-(3-(4-(but-2-enoyl)piperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)pyrido[2,3-d]pyrimidin-7(8H)-one; and

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3-hydroxy-5-methoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

an individual E or Z isomer of any of the above compounds;

and/or a pharmaceutically acceptable salt of any of the above compounds; and a pharmaceutically acceptable excipient, optionally administered in combination with at least one other anticancer agent.

14. A method of treating a cancer selected from breast cancer, gastric cancer, head and neck cancer, and 8,11-myeloproliferative syndrome, in a patient, which method comprises administering to the patient in recognized need thereof, a pharmaceutical composition comprising a compound selected from:

8-(3-(4-acryloylpiperazin-1-yl)propyl)-2-amino-6-(2,6-dichloro-3,5-dimethoxyphenyl)pyrido[2,3-d]pyrimidin-7(8H)-one;

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-di chloro-3-hydroxy-5-methoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one; and

8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-di chloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one;

and/or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient optionally administered in combination with at least one other anticancer agent.

15. A method of treating a cancer selected from breast cancer, gastric cancer, head and neck cancer, and 8,11-myeloproliferative syndrome, in a patient, which method comprises administering to the patient in recognized need thereof, a pharmaceutical composition comprising 8-(3-(4-acryloylpiperazin-1-yl)propyl)-6-(2,6-dichloro-3,5-dimethoxyphenyl)-2-(methylamino)pyrido[2,3-d]pyrimidin-7(8H)-one having the structure

and/or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable excipient, optionally administered in combination with at least one other anticancer agent.