Pyridine and pyrimidine derivatives as inhibitors of histone deacetylase

• US 8,114,876 B2
• Filed: 01/16/2007
• Issued: 02/14/2012
• Est. Priority Date: 01/19/2006
• Status: Active Grant

• Current Assignee: Janssen Pharmaceutica NV (Johnson & Johnson)
• Original Assignee: Janssen Pharmaceutica NV (Johnson & Johnson)
• Inventors: Marconnet-Decrane, Laurence Françoise Bernadette, Angibaud, Patrick René, Gaurrand, Sandrine Françoise Dominique
• Primary Examiner(s): RAO, DEEPAK R
• Application Number:
  US12/160,124
• Publication Number:
  US 20090143401A1
• Time in Patent Office: 1,855 Days
• Field of Search: 544/295, 514/252.14
• US Class Current: 514/252.14
• CPC Class Codes: A61K 31/496 Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
• CPC Class Codes: A61K 45/06 Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• CPC Class Codes: A61P 1/00 Drugs for disorders of the alimentary tract or the digestive system
• CPC Class Codes: A61P 1/04 for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
• CPC Class Codes: A61P 11/00 Drugs for disorders of the respiratory system
• CPC Class Codes: A61P 11/02 Nasal agents, e.g. decongestants
• CPC Class Codes: A61P 11/06 Antiasthmatics
• CPC Class Codes: A61P 13/12 of the kidneys
• CPC Class Codes: A61P 17/00 Drugs for dermatological disorders
• CPC Class Codes: A61P 19/00 Drugs for skeletal disorders
• CPC Class Codes: A61P 19/02 for joint disorders, e.g. arthritis, arthrosis
• CPC Class Codes: A61P 25/00 Drugs for disorders of the nervous system
• CPC Class Codes: A61P 25/16 Anti-Parkinson drugs
• CPC Class Codes: A61P 25/18 Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
• CPC Class Codes: A61P 25/28 for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
• CPC Class Codes: A61P 27/02 Ophthalmic agents
• CPC Class Codes: A61P 29/00 Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• CPC Class Codes: A61P 3/06 Antihyperlipidemics
• CPC Class Codes: A61P 3/10 for hyperglycaemia, e.g. antidiabetics
• CPC Class Codes: A61P 33/06 Antimalarials
• CPC Class Codes: A61P 35/00 : Antineoplastic agents
• CPC Class Codes: A61P 35/02 : specific for leukemia
• CPC Class Codes: A61P 37/04 : Immunostimulants
• CPC Class Codes: A61P 37/06 : Immunosuppressants, e.g. drugs for graft rejection
• CPC Class Codes: A61P 43/00 : Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• CPC Class Codes: A61P 9/04 : Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
• CPC Class Codes: A61P 9/10 : for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
• CPC Class Codes: C07D 213/78 : Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
• CPC Class Codes: C07D 213/82 : in position 3
• CPC Class Codes: C07D 239/42 : One nitrogen atom nitro radicals C07D239/30
• CPC Class Codes: C07D 403/12 : linked by a chain containing hetero atoms as chain links
• CPC Class Codes: C07D 409/14 : containing three or more hetero rings
• CPC Class Codes: Y02A 50/30 : Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

This invention comprises the novel compounds of formula (I)

wherein R¹, R², R³ and X have defined meanings, having histone deacetylase inhibiting enzymatic activity; their preparation, compositions containing them and their use as a medicine.

Claims

1. A compound of formula (I)

2. A compound according to claim 1 wherein:

a) X is N;

b) R¹ is hydroxy;

c) R² is amino, C_1-6alkylcarbonylamino, C_1-6alkylsulfonylamino, phthalimidyl, succinimidyl or phenyloxy wherein the phenyl moiety in said phenyloxy group is optionally substituted with a halo substituent; and

d) R³ is phenyl optionally substituted with one or two substituents each independently selected from halo, C_1-6alkyl, C_1-6alkyloxy and polyhaloC_1-6alkyl.

3. A compound according to claim 1 wherein:

a) X is N;

b) R¹ is hydroxy;

c) R² is amino; and

d) R³ is phenyl optionally substituted with one substituent selected from halo and C_1-6alkyloxy.

5. A pharmaceutical composition comprising pharmaceutically acceptable carriers and as an active ingredient a therapeutically effective amount of a compound as claimed in claim 1.

6. A method of treating ovarian carcinoma in a subject comprising administering to the subject a therapeutically effective amount of a pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.

7. A pharmaceutical composition comprising a compound as claimed in claim 1 and an anti-cancer agent.

8. A process for preparing a compound as claimed in claim 1, said process comprising the steps of:

a) reacting an intermediate of formula (II) with an appropriate acid to form a compound of formula (I-a)

11. A pharmaceutical composition comprising pharmaceutically acceptable carriers and as an active ingredient a therapeutically effective amount of a compound as claimed in claim 2.

12. A pharmaceutical composition comprising pharmaceutically acceptable carriers and as an active ingredient a therapeutically effective amount of a compound as claimed in claim 3.

4. The compound that is as shown below:

13. A pharmaceutical composition comprising pharmaceutically acceptable carriers and as an active ingredient a therapeutically effective amount of a compound as claimed in claim 4.

9. A compound of formula (B):

10. A process for preparing a compound as claimed in claim 9, said process comprising the steps of:

a) reacting an intermediate of formula (III) with an intermediate of formula (V) to form an intermediate of formula (B) in which Q is tetrahydropyranyloxyaminocarbonyl, represented by formula (II) below

14. A pharmaceutical composition comprising pharmaceutically acceptable carriers and as an active ingredient a therapeutically effective amount of a compound as claimed in claim 9.