Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.

Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

Abstract: The present invention provides a novel benzodiazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The benzodiazepine compound of the invention is represented by General Formula (1) wherein R1, R2, R3, and R4 are each independently hydrogen or lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more hydroxy; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; XA and XB are each independently bond, lower alkylene, etc.

Abstract: The present invention provides a novel intermediate for manufacturing a 2,3-dihydroimidazo[2,1-b]oxazole compound with a high yield and a high purity, and a manufacturing method of the intermediate. The present invention provides an epoxy compound represented by the general formula (2): wherein, R1 represents hydrogen or a lower alkyl group; and R2 represents a piperidyl group represented by the general formula (A1): (wherein, R3 represents a phenoxy group having a halogen-substituted lower alkoxy group substituted on a phenyl group, and the like) and the like; and n represents an integer of 1 to 6, a manufacturing method of the epoxy compound, and a manufacturing method of an oxazole compound using the epoxy compound.

Abstract: A heterocyclic compound or a salt thereof represented by the formula (1): where R2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.

Abstract: A conductive paste is provided which can prevent the generation of wrinkles on electrode films after drying and which can be used for forming a highly reliable ceramic electronic element having superior appearance. The conductive paste contains a conductive component such as silver or copper and an organic vehicle. The organic vehicle contains an organic binder, a first solvent dissolving the organic binder and a second solvent substantially not dissolving the organic binder, wherein the boiling point of the first solvent is higher than that of the second solvent or is higher than the temperature at the end of distillation thereof by about 20° C. or more, and the content of the second solvent is about 30 to 70 wt % of the organic vehicle.

Abstract: A conductive paste for forming external electrodes of a multi-layer ceramic electronic component contains an Ag-based conductive component, an organic vehicle and a glass frit. The glass frit in the conductive paste contains B2O3, SiO2, PbO, and Al2O3. The total content of SiO2 and Al2O3 in the glass frit is in the range of about 40 to 56 molar percent, the SiO2 content being in the range of about 20 to 40 molar percent and the Al2O3 content being in the range of about 12 to 24 molar percent.

Abstract: A conductive paste is provided which can prevent the generation of wrinkles on electrode films after drying and which can be used for forming a highly reliable ceramic electronic element having superior appearance. The conductive paste contains a conductive component such as silver or copper and an organic vehicle. The organic vehicle contains an organic binder, a first solvent dissolving the organic binder and a second solvent substantially not dissolving the organic binder, wherein the boiling point of the first solvent is higher than that of the second solvent or is higher than the temperature at the end of distillation thereof by about 20° C. or more, and the content of the second solvent is about 30 to 70 wt % of the organic vehicle.

Abstract: A conductive paste for forming external electrodes of a multi-layer ceramic electronic component contains an Ag-based conductive component, an organic vehicle and a glass frit. The glass frit in the conductive paste contains B2O3, SiO2, PbO, and Al2O3. The total content of SiO2 and Al2O3 in the glass frit is in the range of about 40 to 56 molar percent, the SiO2 content being in the range of about 20 to 40 molar percent and the Al2O3 content being in the range of about 12 to 24 molar percent.