Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the description, or a salt thereof. The compound or a salt thereof or a prodrug thereof has a GPR40 receptor function modulating action and is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.

Abstract: The present invention aims to provide a glucokinase activator useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of diabetes, obesity and the like, and the like. A glucokinase activator containing a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof or a prodrug thereof.

Abstract: A compound of the formula (I): wherein each symbol is as defined in the description, a salt s thereof, and a prodrug thereof of the present invention unexpectedly have a superior GPR40 receptor agonist activity and superior properties as pharmaceutical products such as stability and the like, and can be safe and useful pharmaceutical agents for the prophylaxis or treatment of GPR40 receptor-related pathology or diseases in mammals.

Abstract: The purpose of the present invention is to provide a glucokinase activator useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of diabetes, obesity and the like. The present invention provides a glucokinase activator containing a compound represented by the formula (I): wherein R1 is a hydrogen atom or a halogen atom; R2 is a group represented by wherein each symbol is defined in the specification, or a salt thereof or a prodrug thereof.

Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the description, or a salt thereof. The compound or a salt thereof or a prodrug thereof has a GPR40 receptor function modulating action and is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.

Abstract: The purpose of the present invention is to provide a glucokinase activator useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of diabetes, obesity and the like. The present invention provides a glucokinase activator containing a compound represented by the formula (I): wherein R1 is a hydrogen atom or a halogen atom; R2 is a group represented by wherein each symbol is defined in the specification, or a salt thereof or a prodrug thereof.

Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof. The compound of the present invention has a glucokinase activity, and is useful as a medicament such as an agent for the prophylaxis or treatment of diabetes, obesity and the like, and the like.

Abstract: The purpose of the present invention is to provide a glucokinase activator useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of diabetes, obesity and the like. The present invention provides a glucokinase activator containing a compound represented by the formula (I): wherein R1 is a hydrogen atom or a halogen atom; R2 is a group represented by wherein each symbol is defined in the specification, or a salt thereof or a prodrug thereof.

Abstract: The purpose of the present invention is to provide a glucokinase activator useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of diabetes, obesity and the like. The present invention provides a glucokinase activator containing a compound represented by the formula (I): wherein R1 is a hydrogen atom or a halogen atom; R2 is a group represented by wherein each symbol is defined in the specification, or a salt thereof or a prodrug thereof.

Abstract: The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the description, or a salt thereof. The compound or a salt thereof or a prodrug thereof has a GPR40 receptor function modulating action and is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.

Abstract: The purpose of the present invention is to provide a glucokinase activator useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of diabetes, obesity and the like. The present invention provides a glucokinase activator containing a compound represented by the formula (I): wherein R1 is a hydrogen atom or a halogen atom; R2 is a group represented by wherein each symbol is defined in the specification, or a salt thereof or a prodrug thereof.

Abstract: The present invention provides a glucokinase activator containing a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof or a prodrug thereof. According to the present invention, a glucokinase activator useful as a pharmaceutical agent such as agent for the prophylaxis or treatment of diabetes, obesity and the like, and the like can be provided.

Abstract: The present invention provides a novel compound having a GPR40 receptor function modulating action, which is useful as an insulin secretagogue, a drug for the prophylaxis or treatment of diabetes and the like. A compound represented by the formula (I) wherein each symbol is as defined in the specification, a salt thereof and a prodrug thereof have unexpectedly superior GPR40 receptor agonist activity and also show superior properties as a pharmaceutical product, such as stability and the like. Thus, they can be safe and useful drugs for the prophylaxis or treatment of GPR40 receptor related conditions or diseases in mammals.

Abstract: There is provided a calcium receptor modulator comprising a compound of the formula (I): wherein ring A is an optionally substituted 5- to 7-membered ring; ring B is an optionally substituted 5- to 7-membered heterocyclic ring; X1 is CR1, CR1R2, N or NR13; X2 is N or NR3; Y is C, CR4 or N, Z is CR5, CR5R6, N or NR7; Ar is an optionally substituted cyclic group; R is H, an optionally substituted hydrocarbon group, etc.; and is a single bond or a double bond; R1, R2, R3, R4, R5, R6, R7 and R13 are independently H, an optionally substituted hydrocarbon group; or a salt thereof or a prodrug thereof. Compounds of the formula (II) and (III): wherein ring A is an optionally substituted 5- to 7-membered ring; Q is C, CR5 or N; R8, R9, R10, R11 and R12 are independently, H, an optionally substituted hydrocarbon group, etc., or a salt thereof are also provided. Also specify X1, R3, R1, Y and X3 in formula (II) and (III) as before.

Abstract: The present invention aims at provision of a novel compound having a GPR40 receptor function modulating action, which is useful as an insulin secretagogue, an agent for the prophylaxis or treatment of diabetes and the like. The compound represented by the formula: wherein each symbol is as defined in the description, a salt thereof, and a prodrug thereof of the present invention unexpectedly have a superior GPR40 receptor agonistic activity and superior properties as pharmaceutical products such as stability and the like, and can be safe and useful pharmaceutical agents as agents for the prophylaxis or treatment of GPR40 receptor-related pathology or diseases in mammals.

Abstract: There is provided a calcium receptor modulator comprising a compound of the formula (I): wherein ring A is an optionally substituted 5- to 7-membered ring; ring B is an optionally substituted 5- to 7-membered heterocyclic ring; X1 is CR1, CR1R2, N or NR13; X2 is N or NR3; Y is C, CR4 or N, Z is CR5, CR5R6, N or NR7; Ar is an optionally substituted cyclic group; R is H, an optionally substituted hydrocarbon group, etc.; and ?is a single bond or a double bond; R1, R2, R3, R4, R5, R6, R7 and R13 are independently H, an optionally substituted hydrocarbon group; or a salt thereof or a prodrug thereof. Compounds of the formula (II) and (III): wherein ring A is an optionally substituted 5- to 7-membered ring; Q is C, CR5 or N; R8, R9, R10, R11 and R12 are independently, H, an optionally substituted hydrocarbon group, etc., or a salt thereof are also provided. Also specify X1, R3, R1, Y and X3 in formula (II) and (III) as before.

Abstract: The GPR40 receptor function regulator of the present invention, which comprises a compound having an aromatic ring and a group capable of releasing cation is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.

Abstract: The present invention provides a novel compound represented by the formula (I) wherein each symbol is as defined in the specification, a salt thereof and a prodrug thereof having a superior GPR40 receptor function modulating action, which can be used as an insulin secretagogue, an agent for the prophylaxis or treatment of diabetes and the like. They unexpectedly show superior GPR40 receptor agonist activity, and also show superior properties as a pharmaceutical product, such as stability and the like. Thus, they can be safe and useful pharmaceutical agents for the prophylaxis or treatment of GPR40 receptor related diseases in mammals.

Abstract: A compound represented by the formula (1): wherein each symbol is as defined in the specification, and a salt thereof and a prodrug thereof unexpectedly have superior GPR40 receptor agonist activity, superior in the properties as a pharmaceutical product such as stability and the like, and can be a safe and useful pharmaceutical agent as a drug for the prophylaxis or treatment of GPR40 receptor related pathology or diseases such as diabetes and the like.

Abstract: A compound represented by the formula (I) wherein R is a hydrogen atom or a C1-4 alkyl group, and X is CH2, O or S, or a salt thereof. The present invention provides a novel thienopyridine derivative having an anti-inflammatory effect, a bone resorption suppressing effect, an immune cytokine production suppressing effect and the like, and useful as a pharmaceutical agent such as an agent for the prophylaxis or treatment of arthritis such as rheumatoid arthritis and the like, and the like, and the like.