Abstract: The present invention provides a compound useful for the prophylaxis or treatment of eicosanoid-associated diseases such as atherosclerosis, atherothrombosis, diabetes, obesity, asthma, fever, pain, cancer, rheumatism, osteoarthritis, atopic dermatitis and the like, and having superior pharmacological action, physicochemical properties and the like. The present invention relates to a compound represented by the following formula: wherein each symbol is as defined in the specification, or a salt thereof.

Abstract: Heterocyclic compounds, pharmaceutical agent and methods thereof, having superior pharmacological action and/or physicochemical properties, which are useful for the prophylaxis or treatment of circulatory diseases such as hypertension, cardiac diseases, arteriosclerosis, renal diseases and cerebral apoplexy and/or metabolic diseases such as hyperlipidemia, obesity and diabetes and/or central nervous disorders such as cerebral infarction, and/or mental diseases such as dementia depression and depression.

Abstract: The present invention provides a compound useful for the prophylaxis or treatment of eicosanoid-associated diseases such as atherosclerosis, atherothrombosis, diabetes, obesity, asthma, fever, pain, cancer, rheumatism, osteoarthritis, atopic dermatitis and the like, and having superior pharmacological action, physicochemical properties and the like. The present invention relates to a compound represented by the following formula: wherein each symbol is as defined in the specification, or a salt thereof.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. For example, the compound may be substituted pyrimidines and pharmaceutical compositions of the formula (I) where X=—CR3; X1=—CR2 or —NR2; and X2=—CR5 or —NR5. The compound of the present invention is useful as a drug for the prophylaxis or treatment of cardiovascular diseases, metabolic diseases and/or central nervous system diseases.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of cardiovascular diseases, metabolic diseases and/or central nervous system diseases.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of cardiovascular diseases, metabolic diseases and/or central nervous system diseases.

Abstract: The present invention aims to provide a compound having superior pharmacological action, physicochemical properties and the like, which is useful for the prophylaxis or treatment s of circulatory diseases such as hypertension, cardiac diseases, arteriosclerosis, renal diseases, cerebral apoplexy and the like and/or metabolic diseases such as hyperlipidemia, obesity, diabetes and the like, central nervous disorders such as cerebral infarction and the like, mental diseases such as dementia, depression and the like, and the like. A compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of cardiovascular diseases, metabolic diseases and/or central nervous system diseases.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of cardiovascular diseases, metabolic diseases and/or central nervous system diseases.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of circulatory diseases, metabolic diseases and/or central nervous system diseases.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of cardiovascular diseases, metabolic diseases and/or central nervous system diseases.

Abstract: The present invention relate to a compound represented by the formula (I) or (II) wherein ring A is an optionally substituted ring (the ring should not be pyrrolidine, piperidine and piperazine), ring B is an optionally substituted aromatic ring, ring D is an optionally substituted ring, R1 and R2 are each independently a hydrogen atom or a substituent, R3 is a hydrogen atom or a C1-6 alkyl group, or R3 is bonded to ring A to form a non-aromatic ring, ring Aa is an optionally substituted aromatic hydrocarbon, Y is CH or N, Ra1 is an optionally substituted hydrocarbon group, and Ra2 and Ra3 are each independently a hydrogen atom or a substituent, or a salt thereof. The present invention provides a compound having a DGAT inhibitory activity, which is useful for the treatment or amelioration of diseases or pathologies caused by high expression or high activation of DGAT.

Abstract: A compound represented by the formula (I): wherein R1 is an oxo group, ?N—R or the like; a group represented by the formula: is a group represented by the formula: R2 is a group represented by the formula: R3 and R4 are each H, or C1-C6 alkyl, C3-C6 cycloalkyl, C1-C6 alkoxy, C1-C6 alkylamino, di(C1-C6)alkylamino or C1-C6 alkylthio, each of which is optionally substituted; and R5 is H, or C1-C6 alkyl, C2-C6 alkenyl, cyclic group, each of which is optionally substituted, —CO—R8 or —O—R8?, or a salt thereof. The compound of the present invention is useful as a drug for the prophylaxis or treatment of circulatory diseases, metabolic diseases and/or central nervous system diseases.