Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.

Abstract: Abstract: The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer’s disease, schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 3-((1H-pyrazol-4-yl)methyl)-6?-(phenyl)-2H-(1,2?-bipyridin)-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 83 to page 110; examples 1 to 33; reference example 1; test examples 1 and 2; tables 1 to 4).

Abstract: The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer's disease schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 1-(OH-pyrazol-4-yl)methyl)-3-(phenyl)-1,3-dihydro-2H-imidazol-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 100 to page 143; examples 1 to 167; test examples 1 and 2; tables 1 to 4).

Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer’s disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.

Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.

Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.

Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.

Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.

Abstract: An object of the present invention is to provide a compound having a superior CH24H inhibitory action, which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof.

Abstract: An object of the present invention is to provide a compound having a superior CH24H inhibitory action, which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof.

Abstract: The present invention relates to a compound represented by the formula (I), which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. In the formula (I), each symbol is as defined in the specification.

Abstract: The present invention provides radiolabeled compounds useful as radiotracers for quantitative imaging of PDE10A in mammals. The compound of the present invention is represented by the formula (I): wherein each symbols are as defined in the specification.

Abstract: The present invention provides a compound or a salt thereof useful for an agent for the prophylaxis or treatment of neurodegenerative disease and the like. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the present specification, or a salt thereof.

Abstract: The present invention relates to a compound represented by the formula (I), which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. In the formula (I), each symbol is as defined in the specification.

Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as an agent for preventing or treating schizophrenia or so on represented by the formula (I):

Abstract: An object of the present invention is to provide a compound having a superior CH24H inhibitory action, which is useful as an agent for the prophylaxis or treatment of epilepsy, neurodegenerative disease and the like. The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the specification, or a salt thereof.

Abstract: A compound having PDE inhibitory represented by formula (1), W1-W2 (1), wherein (i) W1 is and W2 is (ii) W1 is and W2 is or (iii) W1 is and W2 is or a pharmaceutically acceptable salt thereof; and a method of treating or preventing schizophrenia.

Abstract: The present invention provides a compound or a salt thereof useful for an agent for the prophylaxis or treatment of neurodegenerative disease and the like. The present invention relates to a compound represented by the formula wherein each symbol is as defined in the present specification, or a salt thereof.

Abstract: The present invention provides a compound represented by the formula (1): wherein each symbol is as defined in the specification, or a salt thereof, a prodrug of the compound or a salt thereof, a medicament containing the compound or a salt thereof, the medicament which is a phosphodiesterase 10A inhibitor, and a medicament which is for preventing or treating schizophrenia.

Abstract: The present invention provides a compound having a superior PDE10A inhibitory action and use thereof. The compound is a compound represented by the following formula (I): wherein each symbol is as defined in the present specification, or a salt thereof.