US 10,501,465 B2 · Substituted [1,2,4]triazolo[1,5-A]pyrimidin-7-yl compounds as PDE2 inhibitors

Abstract

The invention provides a chemical entity of Formula (I): wherein R1, R2, X, Y and Z have any of the values described herein, and compositions comprising such chemical entities; methods of making them; and their use in a wide range of methods as disclosed herein, including metabolic and reaction kinetic studies; detection and imaging techniques; radioactive treatments; modulating and treating disorders mediated by PDE2 activity; treating neurological disorders, CNS disorders, dementia, neurodegenerative diseases, and trauma-dependent losses of function; treating stroke, including cognitive and motor deficits during stroke rehabilitation; facilitating neuroprotection and neurorecovery; enhancing the efficiency of cognitive and motor training, including animal skill training protocols; and treating peripheral disorders, including hematological, cardiovascular, gastroenterological, and dermatological disorders.

A method of inhibiting PDE2 activity, comprising exposing PDE2 to an effective amount of at least one compound selected from the group consisting of:

4-[1-(4-Fluorophenyl)-5-methyl-1H-pyrazole-3-carbonyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
1-{5-Methyl-1-[4-(propan-2-yl)phenyl]-1H-pyrazole-3-carbonyl}-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
4-{5-Methyl-1-[4-(propan-2-yl)phenyl]-1H-pyrazole-3-carbonyl}-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
1-[(3-Iodophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(4-Iodophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
4-(3,4-Dichlorobenzoyl)-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
(2S)-4-[3-Bromo-4-(trifluoromethyl)benzoyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
(2S)-4-(3-Bromo-4,5-difluorobenzoyl)-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
(2S)-2-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-4-(3,4,5-trichlorobenzoyl)morpholine;
(2S)-4-(3,5-Dichloro-4-fluorobenzoyl)-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
4-[1-(2-Fluorophenyl)-1H-pyrazole-3-carbonyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
4-[1-(2-Chlorophenyl)-1H-pyrazole-3-carbonyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
4-[1-(3-Bromophenyl)-1H-pyrazole-3-carbonyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
4-[1-(4-Chlorophenyl)-5-methyl-1H-pyrazole-3-carbonyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
4-[1-(3-Fluorophenyl)-1H-pyrazole-3-carbonyl]-2-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}morpholine;
4-Methyl-2-[(3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidin-1-yl)carbonyl]pyridine;
1-[(2-Methoxy-5-methylphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Fluoro-3-methylphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl }piperidine;
1-[(3-Chlorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Fluoro-4-methoxyphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Methoxy-4-methylphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(3-Fluoro-5-methoxyphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Fluoro-4-methylphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(3-Methoxy-2-methylphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Chlorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
3-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-1-[(2-phenylphenyl)carbonyl]piperidine;
1-[(2,3-Difluorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2,5-Difluorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2,4-Dichlorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2,5-Dichlorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(4-Chloro-2-fluorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(5-Fluoro-2-methylphenyecarbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(3,4-Dimethoxyphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(4-Chlorophenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
3-{5-Methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-1-{[3-(propan-2-yl)phenyl]carbonyl}piperidine;
4-[(2,3-Dimethoxyphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2,4-Dimethylphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Methoxyphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
1-[(2-Fluoro-5-methoxyphenyl)carbonyl]-3-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}piperidine;
and pharmaceutically acceptable salts thereof.

37 more elements

Substituted [1,2,4]triazolo[1,5-A]pyrimidin-7-yl compounds as PDE2 inhibitors

Life of this patent

Substituted [1,2,4]triazolo[1,5-A]pyrimidin-7-yl compounds as PDE2 inhibitors

Life of this patent

Abstract

Claims22