Imidazole derivative, pharmaceutically acceptable salt thereof, process of manufacture therefor, and anti-ulcer drug including such derivative or salt
申请人:ARAX CO., LTD.
公开号:EP0728747A1
公开(公告)日:1996-08-28
An imidazole derivative represented by one of formulas (1), wherein R1, R2 represents hydrogen atom, lower alkyl, aryl, aralkyl group, or R1 and R2 cooperate to represent alkylene, alkylidene, arylalkylidene group, R3 representing hydrogen atom, lower alkyl or alkanoyl group, or aralkyl or arylcarbonyl group, wherein at least one of A and B represents a group represented by formula (2), wherein m represents an integer 1-4, R4 representing nitrogen-containing aromatic ring that may be substituted by lower alkyl, alkoxy or alkanoyl group, or phenyl group represented by formula (3), R5, R6 representing hydrogen atom, lower alkyl or alkenyl group, or lower alkanoyl or arylcarbonyl group which may be substituted by a halogen atom, R7 representing hydrogen or halogen atom, hydroxyl or nitro group, or lower alkyl or alkoxy group, wherein the other of A and B represents oxygen or sulfur atom, hydroxyl, mercapto, alkylthio, alkenylthio or aralkylthio group, or group represented by the formula (2),
(2) -S-(CH2)m-R4
由式(1)之一代表的咪唑衍生物,其中 R1、R2 代表氢原子、低级烷基、芳基、芳烷基,或 R1 和 R2 配合代表亚烷基、亚烷基、亚芳烷基,R3 代表氢原子、低级烷基或烷酰基,或芳烷基或芳羰基,其中 A 和 B 中至少有一个代表由式(2)代表的基团,其中 m 代表整数 1-4,R4 代表可被低级烷基取代的含氮芳环、R5、R6 代表氢原子、低级烷基或烯基、或可被卤素原子取代的低级烷酰基或芳基羰基,R7 代表氢或卤素原子、羟基或硝基、或低级烷基或烷氧基,其中 A 和 B 中的另一个代表氧或硫原子、羟基、巯基、烷硫基、烯硫基或芳硫基或式(2)所代表的基团、
(2) -S-(CH2)m-R4