Glutaminase inhibitors

Patent metadata

Field	Value
Publication number	US-9783533-B2
Application number	US-201514769331-A
Country	US
Kind code	B2
Filing date	Jan 5, 2015
Priority date	Jan 6, 2014
Publication date	Oct 10, 2017
Grant date	Oct 10, 2017

Abstract

The present disclosure provides compounds of formula (I) to (III) as glutaminase inhibitors, methods of preparing them, pharmaceutical compositions containing them and methods of treatment, prevention and/or amelioration of diseases or disorders involving glutamine.

First claim

We claim:

1. A compound selected from:
2-(Pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridin-3-yl) piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
(RS)-2-(Pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridin-3-yl) piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
(R)-2-(Pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido) pyridin-3-yl) piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
(S)-2-(Pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido) pyridin-3-yl) piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
(RS)-2-(Pyridin-3-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridin-3-yl) piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
(R)-2-(Pyridin-3-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido) pyridin-3-yl) piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
(S)-2-(Pyridin-3-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido) pyridin-3-yl) piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(Pyridin-3-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridin-3-yl) piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(3-Cyanophenyl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(Pyridin-2-yl)-N-(5-(4-(5-(2-(3-(trifluoromethoxy)phenyl)acetamido)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)pyridin-2-yl)acetamide;
2-(Pyridin-2-yl)-N-(5-(3-(5-(2-(3-(trifluoromethoxy)phenyl)acetamido)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)pyridin-2-yl)acetamide;
2-(pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl) piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(Pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(Pyridin-3-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(3-(Methylsulfonamido)phenyl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl) acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(2-Chlorophenyl)-N-(6-(4-(5-(2-(pyridin-2-yl)acetamido)-1,3,4-thiadiazol-2-yl) piperidin-1-yl)pyridazin-3-yl)acetamide;
2-(2-Chlorophenyl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)piperidin-3-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(2-Fluorophenyl)-N-(6-(4-(5-(2-(pyridin-2-yl)acetamido)-1,3,4-thiadiazol-2-yl) piperidin-1-yl)pyridazin-3-yl)acetamide;
2-(Pyrazin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(Pyridin-2-yl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide dihydrochloride;
2-(Pyridin-2-yl)-N-(6-(4-(5-(2-(3-(trifluoromethoxy)phenyl)acetamido)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)pyridazin-3-yl)acetamide;
2-(Pyridin-3-yl)-N-(6-(4-(5-(2-(3-(trifluoromethoxy)phenyl)acetamido)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)pyridazin-3-yl)acetamide;
2-(Pyridin-3-yl)-N-(6-(4-(5-(2-(2,3,6-trifluorophenyl)acetamido)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)pyridazin-3-yl)acetamide;
2-(Pyridin-2-yl)-N-(6-(4-(5-(2-(2,3,6-trifluorophenyl)acetamido)-1,3,4-thiadiazol-2-yl)piperidin-1-yl)pyridazin-3-yl)acetamide;
2-(2,3-Difluorophenyl)-N-(5-(1-(6-(2-(pyridin-2-yl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(3,4-Difluorophenyl)-N-(5-(1-(6-(2-(pyridin-2-yl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(2-Fluorophenyl)-N-(5-(1-(6-(2-(pyridin-2-yl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(3-Fluorophenyl)-N-(5-(1-(6-(2-(pyridin-2-yl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(4-Fluorophenyl)-N-(5-(1-(6-(2-(pyridin-2-yl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(3-Chlorophenyl)-N-(5-(1-(6-(2-(pyridin-2-yl)acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
3-Hydroxy-2-phenyl-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido) pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)propanamide;
(R)-2-hydroxy-2-phenyl-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido) pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(3-(3-Fluoroazetidin-1-yl)phenyl)-N-(5-(1-(6-(2-(3-(trifluoromethoxy)phenyl) acetamido)pyridazin-3-yl)piperidin-4-yl)-1,3,4-thiadiazol-2-yl)acetamide;
2-(Pyridin-2-yl)-N-(5-((1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl) piperidin-4-yl)methyl)-1,3,4-thiadiazol-2-yl)acetamide;

and pharmaceutically acceptable salts thereof.

2. A pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.

3. The pharmaceutical composition of claim 2 , further comprising one or more additional therapeutic agents selected from anti-cancer agents, anti-inflammatory agents, immunosuppressive agents, steroids, non-steroidal anti-inflammatory agents, antihistamines, analgesics, and mixtures thereof.

4. A method for the treatment of carcinoma of the kidney, carcinoma of the liver, or carcinoma of the lung, comprising the step of administering to a subject in need thereof an effective amount of compound of claim 1 .

5. The method of claim 4 , further comprising the step of administering simultaneously or sequentially to a subject in need thereof at least one other anti-cancer agent, anti-inflammatory agent, immunosuppressive agent, steroid, non-steroidal anti-inflammatory agent, antihistamine, analgesic, or a mixture thereof.

6. A compound selected from 2-(pyridin-2-yl)-N-(5-((1-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)piperidin-4-yl)methyl)-1,3,4-thiadiazol-2-yl)acetamide and pharmaceutically acceptable salts thereof.

7. The method of claim 4 , wherein the subject suffers from carcinoma of the kidney.

8. The method of claim 4 , wherein the subject suffers from carcinoma of the liver.

9. The method of claim 4 , wherein the subject suffers from carcinoma of the lung.

10. A method for the treatment of carcinoma of the kidney, carcinoma of the liver, or carcinoma of the lung, comprising the step of administering to a subject in need thereof an effective amount of compound of claim 6 .

11. The method of claim 10 , wherein the subject suffers from carcinoma of the kidney.

12. The method of claim 10 , wherein the subject suffers from carcinoma of the liver.

13. The method of claim 10 , wherein the subject suffers from carcinoma of the lung.

Assignees

• Rhizen Pharmaceuticals Sa

Inventors

• Bhavar Prashant K
• Vakkalanka Swaroop K
• Viswanadha Srikant
• Swaroop Merikapudi Gayatri
• Babu Govindarajulu

Classifications

• A61P9/00

  Drugs for disorders of the cardiovascular system · CPC title

• A61P9/10

  for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis · CPC title

• A61P5/00

  Drugs for disorders of the endocrine system · CPC title

• A61P37/08

  Antiallergic agents (antiasthmatic agents A61P11/06; ophthalmic antiallergics A61P27/14) · CPC title

• A61P9/12

  Antihypertensives · CPC title