The invention relates to the imidazole derivatives as selective antagonistic substances against muscarinic acetylcholine and provides imidazole derivatives represented by a general formula (1) or (2)
[wherein R1 is a phenyl group which may have substituent or thienyl group, R2 is a cyano group, a carboxy group, CONR7R8 group (wherein R7 and R8 each independently represent hydrogen atom or lower alkyl group, or R7and R8 may form a ring by alkylene chain which may contain hetero atom) or COOR9 group (wherein R9 is a lower alkyl group), R3 is a hydrogen atom or lower alkyl group, R4, R5 and R6 each independently represent hydrogen atom, lower alkyl group which may have substituent or cycloalkyl groups, or may form a condensed ring at the positions of R5 and R6 with benzene ring, R10 is a lower alkyl group or aralkyl group which may have substituent, m is an integer from 1 to 6, and Z is a halogen atom].
本发明涉及作为毒蕈碱
乙酰胆碱选择性拮抗物质的
咪唑衍
生物,并提供由通式(1)或(2)表示的
咪唑衍
生物
[其中 R1 是苯基,可带有取代基或
噻吩基;R2 是
氰基、羧基、CONR7R8 基团(其中 R7 和 R8 各自独立地代表氢原子或低级烷基,或 R7 和 R8 可通过亚烷基链形成环,该链可含有杂原子)或 COOR9 基团(其中 R9 是低级烷基)、R3是氢原子或低级烷基,R4、R5和R6各自独立地代表氢原子、可能具有取代基的低级烷基或环烷基,或可在 R5 和 R6 的位置与苯环形成缩合环,R10是低级烷基或可能具有取代基的芳烷基,m 是 1 到 6 的整数,Z 是卤素原子]。