Astrazeneca Ab

Liselotte Ohberg

Peter Soderman

Sofia Karlstrom

Karin Kolmodin

Lars Sandberg

Britt-Marie Swahn

Laszlo Rakos

Gabor Csjernyik

Annika Kers

Martin Nylöf

Stefan Von Berg

Fernando Sehgelmeble

The present invention relates to compounds of formula (I) and their pharmaceutical compositions. In addition, the present invention relates to therapeutic methods for the treatment and/or prevention of A&#x3b2;-related pathologies such as Down's syndrome, &#x3b2;-amyloid angiopathy such as but not limited to cerebral amyloid angiopathy or hereditary cerebral hemorrhage, disorders associated with cognitive impairment such as but not limited to MCI ('mild cognitive impairment'), Alzheimer's disease, memory loss, attention deficit symptoms associated with Alzheimer's disease, neurodegeneration associated with diseases such as Alzheimer's disease or dementia including dementia of mixed vascular and degenerative origin, pre-senile dementia, senile dementia and dementia associated with Parkinson's disease, progressive supranuclear palsy or cortical basal degeneration.

Compounds and their use as BACE inhibitors

2H-imidazol-4-amine compounds, therapeutically acceptable salts thereof, processes for preparation thereof, therapeutic uses of such compounds for treating A&#x3b2;-related pathologies such as Down's syndrome, &#x3b2;-amyloid angiopathy, Alzheimer's disease, memory loss, attention deficit symptoms associated with Alzheimer's disease, neurodegeneration associated with diseases such as Alzheimer's disease or dementia including dementia of mixed vascular and degenerative origin, pre-senile dementia, senile dementia and dementia associated with Parkinson's disease, progressive supranuclear palsy or cortical basal degeneration. methods of therapy, and pharmaceutical compositions containing such compounds.

2H-imidazol-4-amine compounds and their use as BACE inhibitors

Cycloalkyl ether compounds, therapeutically acceptable salts thereof, processes for preparation thereof, therapeutic uses of such compounds for treating A&#x3b2;-related pathologies such as Down's syndrome, &#x3b2;-amyloid angiopathy, Alzheimer's disease, memory loss, attention deficit symptoms associated with Alzheimer's disease, neurodegeneration associated with diseases such as Alzheimer's disease or dementia including dementia of mixed vascular and degenerative origin, pre-senile dementia, senile dementia and dementia associated with Parkinson's disease, progressive supranuclear palsy or cortical basal degeneration and pharmaceutical compositions containing such compounds.

Cycloalkyl ether compounds and their use as BACE inhibitors

Cyclohexane-1,2'-indene-1&#x2032;,2&#x2033;-imidazole compounds, therapeutically acceptable salts thereof, processes for preparation thereof, therapeutic uses of such compounds for treating A&#x3b2;-related pathologies such as Down's syndrome, &#x3b2;-amyloid angiopathy, Alzheimer's disease, memory loss, attention deficit symptoms associated with Alzheimer's disease, neurodegeneration associated with diseases such as Alzheimer's disease or dementia including dementia of mixed vascular and degenerative origin, pre-senile dementia, senile dementia and dementia associated with Parkinson's disease, progressive supranuclear palsy or cortical basal degeneration, methods of therapy using such compounds, and pharmaceutical compositions containing such compounds.

Cyclohexane-1,2'-indene-1&#x2032;,2&#x2033;-imidazol compounds and their use as BACE inhibitors

Cyclohexane-1,2'-naphthalene-1&#x2032;,2&#x2033;-imidazole compounds, therapeutically acceptable salts thereof, processes for preparation thereof, therapeutic uses of such compounds for treating A&#x3b2;-related pathologies such as Down's syndrome, &#x3b2;-amyloid angiopathy, Alzheimer's disease, memory loss, attention deficit symptoms associated with Alzheimer's disease, neurodegeneration associated with diseases such as Alzheimer's disease or dementia including dementia of mixed vascular and degenerative origin, pre-senile dementia, senile dementia and dementia associated with Parkinson's disease, progressive supranuclear palsy or cortical basal degeneration, methods of therapy using such compounds, and pharmaceutical compositions containing such compounds.

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Macclesfield, United Kingdom

Liselotte Ohberg