Abstract: The present invention is concerned with novel pyridazinones of formula (I) wherein R1, R2, R3 and R4 are as defined in the description and in the claims, as well as physiologically acceptable salts and esters thereof. These compounds inhibit PDE10A and can be used for the treatment of CNS disorders.

Abstract: The present invention provides compounds of provides formula I, having affinity and selectivity for the dopamine D3 receptors, their manufacture, pharmaceutical compositions containing them and their use for the therapeutic and/or prophylactic treatment of cognitive disorders.

Abstract: The present invention provides compounds of the general formula (I) wherein X, n and R1 are as described herein, as well as pharmaceutically acceptable salts and esters thereof, methods for their manufacture, pharmaceutical compositions containing them and their use as medicaments. The active compounds of the present invention are dual modulators of the serotonin 5-HT2a and dopamine D3 receptors, useful in the treatment and/or the prevention of cognitive disorders, drug addiction, depression, anxiety, drug dependence, dementias, memory impairment, psychotic disorders comprising schizophrenia, schizoaffective disorders, bipolar disease, mania, psychotic depression, and psychoses comprising paranoia and delusions.

Abstract: The present invention provides compounds of the general formula (I), having affinity and selectivity for the dopamine D3 receptors, their manufacture, pharmaceutical compositions containing them and their use for the therapeutic and/or prophylactic treatment of cognitive disorders.

Abstract: The present invention provides compounds of formula I, having affinity and selectivity for the dopamine D3 receptors, their manufacture, pharmaceutical compositions containing them and their use for the therapeutic and/or prophylactic treatment of cognitive disorders.

Abstract: The present invention relates to compounds of formula I wherein R1, R2, X, Y, Z and m are as defined in the description and claims, and pharmaceutically acceptable salts thereof as well as to pharmaceutical composition comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I: and pharmaceutically acceptable salts thereof, to the preparation of such compounds and pharmaceutical compositions containing them. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I wherein R1, R2 and G are as defined in the description and claims and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I: and pharmaceutically acceptable salts thereof as well as to pharmaceutical compositions comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I wherein R1, R2 and A are as defined in the description and claims, and pharmaceutically acceptable salts thereof as well as to pharmaceutical composition comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I wherein R1, R2, R3, R4 and m are as defined in the description and claims, and pharmaceutically acceptable salts thereof as well as to pharmaceutical compositions comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula (I) wherein R1 and A are as defined in the specification as dual modulators of the serotonin 5-HT2a and dopamine D3 receptors, their manufacture, pharmaceutical compositions containing them and their use as medicaments. Compounds of general formula (I) have high affinity for the dopamine D3 and serotonin (5-Hydroxytryptamine; 5-HT) 5-HT2A receptors and are effective in the treatment of psychotic disorders, as well as other diseases such as depression and anxiety, drug dependence, dementias and memory impairment.

Abstract: The present invention relates to compounds of formula I wherein R1, R2, X, Y, Z and m are as defined in the description and claims, and pharmaceutically acceptable salts thereof as well as to pharmaceutical composition comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of the formula (I) wherein R1, R2, X and n are as defined in the specification as dual modulators of the serotonin 5-HT2a and dopamine D3 receptors, their manufacture, pharmaceutical compositions containing them and their use for the treatment of psychotic disorders, as well as other diseases such as depression and anxiety, drug dependence, dementias and memory impairment.

Abstract: The present invention relates to compounds of formula I wherein R1 and R2 are as defined in the specification and to pharmaceutically acceptable salts thereof for the treatment of diseases, which are mediated by monoamine oxidase B inhibitors, for example Alzheimer's disease and senile dementia.

Abstract: The present invention relates to compounds of formula I wherein R1, R2, X, Y, Z and m are as defined in the description and claims, and pharmaceutically acceptable salts thereof as well as to pharmaceutical composition comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I wherein R1, R2, R3, R4 and m are as defined in the description and claims, and pharmaceutically acceptable salts thereof as well as to pharmaceutical compositions comprising these compounds and to methods for their preparation. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I: wherein X, R1, R2, R3, R4 and R5 are as defined in the description and claims, and pharmaceutically acceptable salts thereof, to the preparation of such compounds and pharmaceutical compositions containing them. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The present invention relates to compounds of formula I: and pharmaceutically acceptable salts thereof, to the preparation of such compounds and pharmaceutical compositions containing them. The compounds are useful for the treatment and/or prevention of diseases which are associated with the modulation of H3 receptors.

Abstract: The invention relates to compounds of the formula and their pharmaceutically acceptable salts wherein R1, R2, R3, R4, R5, n, m, and o are as defined in the specification. The compounds are selective monoamine oxidase ? inhibitors and are useful for the treatment and prevention of Alzheimer's disease and senile dementia, as well as other CNS disorders. The invention also relates to processes for preparing such compounds and pharmaceutical compositions containing them.