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US 2017/0291903 A1Published application
Imidazopyrazinones as PDE1 Inhibitors
AssigneeH. Lundbeck A/S
InventorsJan Kehler, Lars Kyhn Rasmussen, Morten Langgård, Mikkel Jessing, Paulo Jorge Vieira Vital, Karsten Juhl
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Abstract
The present invention provides imidazopyrazinones as PDE1 inhibitors and their use as a medicament, in particular for the treatment of neurodegenerative disorders and psychiatric disorders.
Claims25
A compound selected from the group consisting of:
- (A) (4) 7-(Cyclohexylmethyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (5) 7-(3-Fluorobenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (6) 3-Cyclopropyl-7-(3-fluorobenzyl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (7) 7-(Cyclopentylmethyl)-3-cyclopropylimidazo[1,5-a]pyrazin-8(7H)-one;
- (8) 7-(Cyclohexylmethyl)-3-cyclopropylimidazo[1,5-a]pyrazin-8(7H)-one;
- (9) 7-(3-Fluorobenzyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (10) 7-(Cyclopentylmethyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (11) 7-(Cyclohexylmethyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (12) 7-(Cycloheptylmethyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (13) 7-(Cycloheptylmethyl)-3-cyclopropylimidazo[1,5-a]pyrazin-8(7H)-one;
- (14) 7-(4-Chlorobenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (15) 6-Bromo-7-(3-fluorobenzyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (16) 7-Benzyl-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (17) 7-(2-Fluorobenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (18) 7-(3-Chlorobenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (19) 7-(2-Chlorobenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (20) 7-(3-Methoxybenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (21) 6-Methyl-7-(2-methylbenzyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (22) 6-Methyl-7-(4-methylbenzyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (23) 7-(4-Methoxybenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- (24) 7-(4-Fluorobenzyl)-6-methyl-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- and
- (25) 6-Methyl-7-(3-methylbenzyl)-3-(tetrahydro-2H-pyran-4-yl)imidazo[1,5-a]pyrazin-8(7H)-one;
- or
- (B) a pharmaceutically acceptable salt thereof.
22 more elements
Dependencies are inferred from the claim text.