Indole derivatives and their use in neurodegenerative diseases

• US 10,323,000 B2
• Filed: 12/15/2015
• Issued: 06/18/2019
• Est. Priority Date: 12/15/2014
• Status: Expired due to Fees

• Current Assignee: Merck Patent GmbH (Merck & Co., Inc.)
• Original Assignee: Merck Patent GmbH (Merck & Co., Inc.)
• Inventors: Karra, Srinivasa R.
• Primary Examiner(s): Otton, Alicia L
• Application Number:
  US14/969,328
• Publication Number:
  US 20160168090A1
• Time in Patent Office: 1,281 Days
• Field of Search: None
• 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 1/14 Prodigestives, e.g. acids, enzymes, appetite stimulants, antidyspeptics, tonics, antiflatulents
• 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 13/00 Drugs for disorders of the urinary system
• CPC Class Codes: A61P 13/08 of the prostate
• CPC Class Codes: A61P 17/02 for treating wounds, ulcers, burns, scars, keloids, or the like
• CPC Class Codes: A61P 17/06 Antipsoriatics
• 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 25/08 Antiepileptics; Anticonvulsants
• 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 25/20 Hypnotics; Sedatives
• CPC Class Codes: A61P 25/22 Anxiolytics
• CPC Class Codes: A61P 25/24 Antidepressants
• 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 29/00 Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• CPC Class Codes: A61P 3/04 : Anorexiants; Antiobesity agents
• CPC Class Codes: A61P 37/08 : Antiallergic agents antiasthmatic agents A61P11/06; ophthalmic antiallergics A61P27/14
• CPC Class Codes: A61P 43/00 : Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• 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 209/42 : 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 401/06 : linked by a carbon chain containing only aliphatic carbon atoms
• CPC Class Codes: C07D 403/04 : directly linked by a ring-member-to-ring-member bond
• CPC Class Codes: C07D 403/06 : linked by a carbon chain containing only aliphatic carbon atoms
• CPC Class Codes: C07D 405/04 : directly linked by a ring-member-to-ring-member bond
• CPC Class Codes: C07D 405/06 : linked by a carbon chain containing only aliphatic carbon atoms
• CPC Class Codes: C07D 405/12 : linked by a chain containing hetero atoms as chain links
• CPC Class Codes: C07D 405/14 : containing three or more hetero rings
• CPC Class Codes: C07D 409/12 : 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: C07D 413/06 : linked by a carbon chain containing only aliphatic carbon atoms
• CPC Class Codes: C07D 417/06 : linked by a carbon chain containing only aliphatic carbon atoms
• CPC Class Codes: C07D 417/12 : linked by a chain containing hetero atoms as chain links
• CPC Class Codes: C07D 471/04 : Ortho-condensed systems

Abstract

The present invention relates to indole compounds, and pharmaceutically acceptable compositions thereof, useful as antagonists of P2X7, and for the treatment of P2X7-related disorders.

Claims

1. A compound selected from:

2. A pharmaceutical composition comprising a compound of claim 1, and a pharmaceutically acceptable adjuvant, carrier, or vehicle.

3. A method for modulating P2X7 activity in a subject or in a biological sample, comprising the step of administering to said subject or contacting said biological sample with a compound of claim 1 or a physiologically acceptable salt thereof.

4. A method for treating a P2X7-mediated disease or disorder in a subject having said disease or disorder, comprising the step of administering to said subject a compound of claim 1.

5. The method of claim 4, wherein the disease or disorder is Parkinson'"'"'s disease, multiple sclerosis (MS);

Alzheimer'"'"'s disease, traumatic brain injury, encephalitis;

depression mania, bipolar disease, anxiety, schizophrenia, eating disorders, sleep disorders, cognition disorders;

epilepsy, seizure disorders;

urinary incontinence, urinary hesitancy, rectal hypersensitivity, fecal incontinence, benign prostatic hypertrophy, inflammatory bowel disease;

allergic rhinitis, asthma, reactive airway disease, chronic obstructive pulmonary disease;

rheumatoid arthritis, osteoarthritis, myocardial infarction, uveitis, atherosclerosis;

or psoriasis.

6. A method for treating multiple sclerosis in a subject having multiple sclerosis, comprising the step of administering to said subject a compound of claim 1 or a physiologically acceptable salt thereof.

7. A process for manufacturing a compound of claim 1, comprising the steps of:

reacting a compound of formula A;