Orexin receptor antagonists

Patent metadata

Field	Value
Publication number	US-10316028-B2
Application number	US-201715848771-A
Country	US
Kind code	B2
Filing date	Dec 20, 2017
Priority date	Jul 3, 2012
Publication date	Jun 11, 2019
Grant date	Jun 11, 2019

Abstract

The disclosures herein relate to novel compounds of formula wherein W, X and Y 1 , Y 2 , Y 3 and Y 4 are defined herein, and their use in treating, preventing, ameliorating, controlling or reducing the risk of neurological or psychiatric disorders associated with orexin receptors.

First claim

The invention claimed is:

1. A method of treating insomnia, excessive daytime sleepiness, REM sleep interruptions, sleep apnea, narcolepsy, parasomnia, jet-lag, shift workers' sleep disturbances, dyssomnias, night terror, sleep disturbances associated with a neurological disorder, insomnias associated with depression, emotional/mood disorders, Alzheimer's disease or cognitive impairment, sleep walking and enuresis, and sleep disorders which accompany aging or other sleep disorders in a subject in need thereof, comprising administering to a subject in need thereof an effective amount of a compound selected from:
4-(1,3-benzodioxol-5-ylmethyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,4-dimethoxyphenyl)-4-(3-fluoro-4-methoxybenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,5-dimethoxyphenyl)-4-(3-methoxybenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
3-{[2-(3,4-dimethoxyphenyl)-1,1-dioxido-3-oxo-2,3-dihydro-4H-1,2,4-benzothiadiazin-4-yl]methyl}benzonitrile,
4-benzyl-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,5-dimethoxyphenyl)-4-(3-methylbenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,4-dimethoxyphenyl)-4-(4-methylbenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,4-dimethoxyphenyl)-4-(4-fluorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(3-bromobenzyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(3-fluoro-4-methoxybenzyl)-2-(3-methoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3-ethylphenyl)-4-(3-fluoro-4-methoxybenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(3-fluorobenzyl)-2-(3-chloro-4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,5-dimethoxyphenyl)-4-(2-fluorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-fluorobenzyl)-2-(3-methoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,5-dimethoxyphenyl)-4-(2-methylbenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chlorobenzyl)-2-(3,5-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
methyl 3-{[2-(3,5-dimethoxyphenyl)-1,1-dioxido-3-oxo-2,3-dihydro-4H-1,2,4-benzothiadiazin-4-yl]methyl}-4-methoxybenzoate,
2-(3,4-dimethoxyphenyl)-4-(2-methylbenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chlorobenzyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-4-fluorobenzyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chlorobenzyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-fluorobenzyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(4-chlorophenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3-chloro-4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-phenyl-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3,5-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(4-ethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(4-acetylphenyl)-4-(2-chloro-6-fluorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(2,5-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(2-ethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3,4-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(2-methoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3-methoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(4-ethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(2,3-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(4-fluorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-benzyl-4-(2-chloro-6-fluorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(5-chloro-2-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3-chlorophenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3-fluoro-4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(4-fluorophenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(2,4-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(2,5-difluorophenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3-ethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-[4-(propan-2-yl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-4-fluorobenzyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2,5-dimethylbenzyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
methyl-3-({2-[3-(methylsulfanyl)phenyl]-1,1-dioxido-3-oxo-2,3-dihydro-4H-1,2,4-benzothiadiazin-4-yl}methyl)-4-methoxybenzoate,
4-(2-fluorobenzyl)-2-(3-chloro-4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-methylbenzyl)-2-(3-chloro-4-methylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chlorobenzyl)-2-(3,5-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-fluorobenzyl)-2-(3,5-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-fluorobenzyl)-2-(3,4-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-benzyl-4-(2-chlorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chlorobenzyl)-2-(3,4-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
methyl-3-{[2-(3,4-dimethoxyphenyl)-1,1-dioxido-3-oxo-2,3-dihydro-4H-1,2,4-benzothiadiazin-4-yl]methyl}-4-methoxybenzoate,
4-(cyclobutylmethyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(cyclohexylmethyl)-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
7-fluoro-4-[1-(2-fluorophenyl)ethyl]-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(cyclohexylmethyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-{[4-(2,6-difluorobenzyl)-1,1-dioxido-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazin-2-yl]methyl}-2-fluorobenzonitrile,
4-(2,6-difluorobenzyl)-2-[2-(3-methoxyphenyl)ethyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
2-(3,4-dimethoxyphenyl)-4-(2-fluorobenzyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2,6-dichlorobenzyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-(3,5-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2,6-Dichlorobenzyl)-2-(3,5-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(3-chloro-2-fluorobenzyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(4-chloro-2-fluorobenzyl)-2-(3,4-dimethoxyphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-2-{3-[(trifluoromethyl)sulfanyl]phenyl}-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide,
4-(2-chloro-6-fluorobenzyl)-7-fluoro-2-[3-(methylsulfanyl)phenyl]-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-

Assignees

• Heptares Therapeutics Ltd

Inventors

• Congreve Miles Stuart
• Christopher John Andrew
• Tehan Benjamin Gerald
• Klair Sukhbinder Singh
• Aves Sarah Joanne

Classifications

• A61P39/02

  Antidotes · CPC title

• A61P3/10

  for hyperglycaemia, e.g. antidiabetics · CPC title

• A61P43/00

  Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00 · CPC title

• A61P25/30

  for treating abuse or dependence · CPC title

• A61P25/28

  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 title