3-heterocyclyl-indole derivatives as inhibitors of glycogen synthase kinase-3 (GSK-3)

• US 7,683,067 B2
• Filed: 09/21/2004
• Issued: 03/23/2010
• Est. Priority Date: 09/24/2003
• Status: Expired due to Fees

• Current Assignee: Astrazeneca AB (Astrazeneca PLC)
• Original Assignee: Astrazeneca AB (Astrazeneca PLC)
• Inventors: Berg, Stefan, Hellberg, Sven
• Primary Examiner(s): Saeed; Kamal A
• Assistant Examiner(s): BIANCHI, KRISTIN A
• Application Number:
  US10/572,778
• Publication Number:
  US 20080275041A1
• Time in Patent Office: 2,009 Days
• Field of Search: 514/235.2, 514/397, 514/254.09, 514/339, 514/253.09, 514/318, 514/256, 514/235.5, 514/235.8, 544/373, 544/124, 544/364, 544/333, 546/277.7, 546/194
• US Class Current: 514/253.09
• CPC Class Codes: A61P 15/00 Drugs for genital or sexual disorders for disorders of sex hormones A61P5/24; Contraceptives
• CPC Class Codes: A61P 15/16 Masculine contraceptives
• CPC Class Codes: A61P 17/14 for baldness or alopecia
• CPC Class Codes: A61P 19/08 for bone diseases, e.g. rachitism, Paget's disease
• CPC Class Codes: A61P 21/02 Muscle relaxants, e.g. for tetanus or cramps
• CPC Class Codes: A61P 25/00 Drugs for disorders of the nervous system
• CPC Class Codes: A61P 25/02 for peripheral neuropathies
• CPC Class Codes: A61P 25/14 for treating abnormal movements, e.g. chorea, dyskinesia
• 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 25/22 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 3/10 for hyperglycaemia, e.g. antidiabetics
• CPC Class Codes: A61P 31/18 for HIV
• 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 401/04 directly linked by a ring-member-to-ring-member bond
• CPC Class Codes: C07D 401/14 containing three or more hetero rings
• CPC Class Codes: C07D 405/14 containing three or more hetero rings
• CPC Class Codes: C07D 409/14 : containing three or more hetero rings

Abstract

Compounds of formula Ia or Ib

wherein P; R¹; R²; m; and n are as defined in the application, salts thereof, processed for their preparation, new intermediates used therein, pharmaceutical formulations containing said compounds and the use of said compounds in therapy.

Claims

1. A compound having the formula Ia;

2. A compound according to claim 1, wherein P is pyridine.

3. A compound according to claim 1 selected from:

3-[5-({4-[2-(Dipropylamino)ethyl]piperazin-1-yl}sulfonyl)pyridin-2-yl]-2-hydroxy-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-(5-{[4-(2-morpholin-4-ylethyl)piperazin-1-yl]sulfonyl}pyridin-2-yl)-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-(5-{[4-(2-pyrrolidin-1-ylethyl)piperazin-1-yl]sulfonyl}pyridin-2-yl)-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-(5-{[4-(2-methoxyethyl)piperazin-1-yl]sulfonyl}pyridin-2-yl)-1H-indole-6-carbonitrile hydrochloride, or

3-[5-({4-[2-(Dimethylamino)ethyl]piperazin-1-yl}sulfonyl)pyridin-2-yl]-2-hydroxy-1H-indole-6-carbonitrile hydrochloride;

or a tautomer thereof, or a free base of any of foregoing hydrochloride or a pharmaceutically acceptable salt of any said free base.

4. A pharmaceutical formulation comprising as an active ingredient a therapeutically effective amount of a compound according to claim 1 or 3 in association with at least one pharmaceutically acceptable carrier or diluent.

5. A method of treatment of a human suffering from Alzheimer'"'"'s Disease, by administering to such a human, a therapeutically effective amount of a compound of formula Ia as defined in claim 1 or 3.

6. A compound selected from:

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)carbonyl]pyridin-2-yl}-1H-indole-6-carbonitrile hydrochloride;

6-(6-Cyano-2-hydroxy-1H-indol-3-yl)-N-(2-morpholin-4-ylethyl)nicotinamide hydrochloride;

6-(6-Cyano-2-hydroxy-1H-indol-3-yl)-N-methyl-N-(2-pyrrolidin-1-ylethyl)nicotinamide hydrochloride;

6-(6-Cyano-2-hydroxy-1H-indol-3-yl)-N-(2-(dimethylamino)ethyl)-N-methylnicotinamide hydrochloride;

6-(6-Cyano-2-hydroxy-1H-indol-3-yl)-N-(2-pyrrolidin-1-ylethyl)pyridine-3-sulfonamide hydrochloride;

2-Hydroxy-3-[5-(piperazine-1-sulfonyl)pyridin-2-yl]-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-N-(2-methoxyethyl)-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-(pyridin-2-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-(2-thienylmethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-[2-(2-oxoimidazolidin-1-yl)ethyl]-1H-indole-5-carboxamide hydrochloride;

N-[2-(Acetylamino)ethyl]-2-hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(2-methoxybenzyl)-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-[4-(trifluoromethyl)benzyl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-[2-(trifluoromethyl)benzyl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-[2-(trifluoromethoxy)benzyl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-[4-(trifluoromethoxy)benzyl]-1H-indole-5-carboxamide hydrochloride;

3-{5-[(Diethylamino)methyl]pyridin-2-yl}-2-hydroxy-N-(2-thienylmethyl)-1H-indole-5-carboxamide hydrochloride;

3-{5-[(Diethylamino)methyl]pyridin-2-yl}-2-hydroxy-N-(pyridin-2-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

3-{5-[(Diethylamino)methyl]pyridin-2-yl}-2-hydroxy-N-(2-methoxyethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-(tetrahydrofuran-2-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

N-Benzyl-2-hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-N-propyl-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(2-methoxyphenyl)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(4-methoxyphenyl)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(pyridin-3-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(pyridin-4-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(pyridin-2-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

N-[2-(Aminosulfonyl)ethyl]-2-hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-[2-(methylsulfonyl)ethyl]-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

3-(5-Cyanopyridin-2-yl)-2-hydroxy-N-{2-[(4-methylpiperazin-1-yl)sulfonyl]ethyl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-sulfonamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-6-carboxamide hydrochloride;

2-Hydroxy-N-(2-methoxyethyl)-3-(5-nitropyridin-2-yl)-1H-indole-5-carboxamide hydrochloride;

N-(2-Cyanoethyl)-2-hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-[2-(1H-imidazol-4-yl)ethyl]-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

N-Benzyl-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-propyl-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(2-methoxyethyl)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

N-[2-(Dimethylamino)ethyl]-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

3-(5-Cyanopyridin-2-yl)-2-hydroxy-N-(2-methoxyethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(piperidin-1-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-methyl-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

6-Bromo-2-hydroxy-N-methyl-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

6-Bromo-2-hydroxy-N-isopropyl-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

6-Bromo-2-hydroxy-N-(2-methoxyethyl)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

6-Bromo-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(tetrahydrofuran-2-ylmethyl)-1H-indole-5-carboxamide hydrochloride;

6-Bromo-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(2-pyrrolidin-1-ylethyl)-1H-indole-5-carboxamide hydrochloride;

N-[3-(Dimethylamino)propyl]-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(2-methoxyethyl)-3-[5-(morpholin-4-ylsulfonyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-pyridin-3-yl-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(2-methoxybenzylamide)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(3-methoxybenzylamide)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(tetrahydro-2H-pyran-4-yl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-N-(4-methoxybenzylamide)-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

N-(Cyanomethyl)-2-hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

N-(2-Furylmethyl)-2-hydroxy-3-[5-(morpholin-4-ylmethyl)pyridin-2-yl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)methyl]pyridin-2-yl}-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-[5-(piperidin-1-ylmethyl)pyridin-2-yl]-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-{5-[(3-oxopiperazin-1-yl)methyl]pyridin-2-yl}-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-[6-(2-morpholin-4-ylethoxy)pyrimidin-4-yl]-1H-indole-6-carbonitrile hydrochloride;

3-{6-[2-(Diisopropylamino)ethoxy]pyrimidin-4-yl}-2-hydroxy-1H-indole-6-carbonitrile hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxylic acid hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-[3-(2-oxopyrrolidin-1-yl)propyl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-(2-thienylmethyl)-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-[2-(2-oxoimidazolidin-1-yl)ethyl]-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-[2-(2-thienyl)ethyl]-1H-indole-5-carboxamide hydrochloride;

N-[2-(Acetylamino)ethyl]-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

N-(2-Cyanoethyl)-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

N-[2-(Aminosulfonyl)ethyl]-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

N-(Cyanomethyl)-2-hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-1H-indole-5-carboxamide hydrochloride;

2-Hydroxy-3-[5-(4-methylpiperazine-1-sulfonyl)pyridin-2-yl]-1H-indole-5-carboxylic acid carbamoylmethylamide hydrochloride;

2-Hydroxy-3-{5-[(4-methylpiperazin-1-yl)sulfonyl]pyridin-2-yl}-N-[2-(methylsulfonyl)ethyl]-1H-indole-5-carboxamide hydrochloride;

3-(5-Diethylaminomethyl-pyridin-2-yl)-2-hydroxy-1H-indole-5-carboxylic acid (2-methanesulfonyl-ethyl)-amide hydrochloride;

2-Hydroxy-3-[5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-1H-indole-5-carboxylic acid (thiophen-2-ylmethyl)-amide dihydrochloride, or

2-Hydroxy-3-[5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-1H-indole-5-carboxylic acid benzylamide dihydrochloride;

or a free base of any foregoing hydrochloride, or a tautomer thereof, or a pharmaceutically acceptable salt of any said free base.

8. A pharmaceutical formulation comprising as an active ingredient a therapeutically effective amount of a compound according to claim 6 or 7 in association with a pharmaceutically acceptable carrier or diluent.

9. A method of treatment of a human suffering from Alzheimer'"'"'s Disease, by administering to such a human, a therapeutically effective amount of a compound according to claim 6 or 7.

7. A compound selected from:

3-(4-Cyanopyridin-2-yl)-2-hydroxy-N-(2-methoxyethyl)-1H-indole-5-carboxamide;

2-Hydroxy-3-[5-(4-methylpiperazine-1-sulfonyl)pyridin-2-yl]-1H-indole-5-carboxylic acid (2-carbamoylethyl)amide;

2-Hydroxy-3-[5-(4-methyl-piperazin-1-ylmethyl)-pyridin-2-yl]-1H-indole-5-carboxylic acid methyl ester;

or a tautomer thereof, or a pharmaceutically acceptable salt thereof.