Abstract: (Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like) For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.

Abstract: It is intended to provide an adenosine A2A receptor antagonist containing as an active ingredient a thiazole derivative represented by the general formula (I) [in the formula, R1 represents a substituted or unsubstituted five-membered aromatic heterocyclic group containing at least one oxygen atom, R2 represents a substituted or unsubstituted heterocyclic group, —COR6 (in the formula, R6 represents a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group or the like) or the like, R3 represents the general formula (II), —NHCOR (in the formula, R7 represents —NR8R9 or the like) or the like], or a pharmacologically acceptable salt thereof, etc.

Abstract: (Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like) For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.

Abstract: A CB2 receptor modulator comprising an imidazole derivative represented by the general formula (I): [wherein, R1 represents optionally substituted lower alkyl or the like; R2 represents optionally substituted cycloalkyl or the like; R3 represents optionally substituted aryl or the like; and n represents an integer of 0 to 3] or a pharmaceutically acceptable salt thereof as an active ingredient, and the like are provided.

Abstract: (Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like) For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.

Abstract: The present invention provides a pentadienamide derivative represented by the formula (I): (wherein R1 represents substituted or unsubstituted aryl or a substituted or unsubstituted aromatic heterocyclic group; R2 represents substituted or unsubstituted aryl, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted heteroalicyclic group, or the like; R3 represents a hydrogen atom or is combined together with R4 and the adjacent nitrogen atom thereto to form a substituted or unsubstituted heterocyclic group; R4 represents substituted or unsubstituted aryl, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted heteroalicyclic group, or the like, or is combined together with R3 and the adjacent nitrogen atom thereto to form a substituted or unsubstituted heterocyclic group; and R5, R6, and R7 may be the same or different, and each represents a hydrogen atom or methyl) or a pharmaceutically acceptable salt thereof, and the like.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.

Abstract: The present invention provides 2-aminoquinazoline derivatives represented by formula (I): wherein R1 and R2 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, and the like; X represents a bond or CR7aR7b wherein R7a and R7b may be the same or different and each represents a hydrogen atom, and the like; when X is a bond, R3 represents substituted or unsubstituted aryl or a substituted or unsubstituted aromatic heterocyclic group; when X is CR7aR7b wherein R7a and R7b have the same meanings as defined above, respectively, R3 represents substituted or unsubstituted lower alkoxy, substituted or unsubstituted aryl, and the like; R4 represents a hydrogen atom, hydroxy, substituted or unsubstituted lower alkoxy, and the like; and R5 represents a hydrogen atom, substituted or unsubstituted aryl, and the like, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention provides a compound represented by Formula (I) (wherein R1 and R2 are the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl and the like, R3 represents substituted or unsubstituted aryl, a substituted or unsubstituted aromatic heterocyclic group and the like, R4 and R5 are the same or different, and each represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl and the like, proviso that they are not simultaneously hydrogen atoms, and R6 represents hydroxy or substituted or unsubstituted lower alkoxy), or a pharmaceutically acceptable salt thereof and the like.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation.

Abstract: (Wherein n is an integer of from 0 to 3; R1 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, or a substituted or unsubstituted aromatic heterocyclic group; R2 is halogen, substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl, a substituted or unsubstituted alicyclic heterocyclic group, a substituted or unsubstituted aromatic heterocyclic group, —COR8, or the like; R3 and R4 may be the same or different, and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, —COR12, or the like) For example, provided are adenosine A2A receptor antagonists comprising, as the active ingredient, a thiazole derivative represented by a general formula (I), or a pharmaceutically acceptable salt thereof, and the like.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: or physiologically acceptable salt thereof.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: formula (1) or physiologically acceptable salt thereof.

Abstract: An oxygen-containing heterocyclic compound represented by following Formula (I): wherein R1 and R2 independently represent hydrogen, lower alkyl, cyano, —(CH2)n—E1—CO—G1 (wherein E1 represents a bond, O, or NH; and G1 represents hydrogen, substituted or unsubstituted lower alkyl, OR6, or NR7R8; and n represents an integer of 0 to 4), or the like; R1 and R2 are combined to represent a saturated carbon ring together with a carbon atom adjacent thereto; or R2, and R11 or R13 described below are combined to form a single bond; R3 represents hydrogen, phenyl, or halogen; R4 represents hydroxy, lower alkoxy, or the like; A represents —C(R9)(R10)— or O; B represents O, NR11, —C(R12)(R13)—, or —C(R14)(R15)— C(R16)(R17)—; D represents (i) —C(R18)(R19)—X— (wherein X represents —C(R21)(R22)—, S, or NR23), (ii) —C(R19a)═Y— [Y represents —C(R24)—Z— (wherein Z represents

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by the following structural formula: and physiologically acceptable salts thereof.

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation.

Abstract: An oxygen-containing heterocyclic compound represented by following Formula (I): wherein R1 and R2 independently represent hydrogen, lower alkyl, cyano, —(CH2)n—E1—CO—G1 (wherein E1 represents a bond, O, or NH; and G1 represents hydrogen, substituted or unsubstituted lower alkyl, OR6, or NR7R8; and n represents an integer of 0 to 4), or the like; R1 and R2 are combined to represent a saturated carbon ring together with a carbon atom adjacent thereto; or R2, and R11 or R13 described below are combined to form a single bond; R3 represents hydrogen, phenyl, or halogen; R4 represents hydroxy, lower alkoxy, or the like; A represents —C(R9)(R10)— or O; B represents O, NR11, —C(R12)(R13)—, or —C(R14)(R15)—C(R16)(R17)—; D represents (i) —C(R18)(R19)—X— (wherein X represents —C(R21)(R22)—, S, or NR23), (ii) —C(R19a)═Y— [Y represents —C(R24)—Z— (wherein Z represents C

Abstract: Disclosed are novel compounds and a method of treating a disease associated with aberrant leukocyte recruitment and/or activation. The method comprises administering to a subject in need an effective amount of a compound represented by: and physiologically acceptable salts thereof.