申请人:Eisai Co., Ltd.
公开号:EP0675118A2
公开(公告)日:1995-10-04
A biphenyl derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof:
wherein R1 represents a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a lower alkyl group, a halogenated lower alkyl group, a lower alkoxy group, a halogenated lower alkoxy group, a lower alkoxyalkyl group, a lower alkoxyalkoxy group, an aryl group, an aralkyl group, a heteroaryl group, a heteroarylalkyl group, a halogenated heteroarylalkyl group, a cyano lower alkyl group, a hydroxy lower alkyl group, an amino lower alkyl group, a lower alkoxycarbonyl group, an aryloxycarbonyl group, a cyano group, a formyl group, a lower acyl group, an aralkylcarbonyl group, a cycloether group, an alkenyl group, an alkynyl group, a lower alkylsulfinyl group, a lower alkylsulfonyl group, a lower alkylaminosulfonyl group, an arylaminosulfonyl group, a lower alkylsulfonylamino group, a halogenated lower alkylsulfonylamino group or an arylsulfonylamino group; R2 and R3 may be the same or different from each other and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a halogenated lower alkyl group, a lower alkoxy group, a halogenated lower alkoxy group or a cyano group; R4 represents a hydrogen atom or a halogen atom; R5 represents a hydrogen atom, a lower alkyl group, a halogenated lower alkyl group, a hydroxy lower alkyl group, a lower alkoxycarbonyl group or an aryloxycarbonyl group; and n is 0 or an integer of 1 to 3, which exhibits dopamine 2 receptor antagonism and/or serotonin 2 receptor antagonism, is clinically useful for treating and ameliorating mental disorders such as cerebrovascular disorder, aggressive behavior due to senile dementia, mental excitation, poriomania, delirium, hallucination, hyperkinesia, schizophrenia, emotional disturbance, depression, neurosis, psychophysiologic disorder and anxiety neurosis.
下式(I)所代表的联苯衍生物或其药理学上可接受的盐:
其中 R1 代表氢原子、卤素原子、羟基、氨基、低级烷基、卤代低级烷基、低级烷氧基、卤代低级烷氧基、低级烷氧基烷基、低级烷氧基烷氧基、芳基、芳烷基、杂芳基、杂芳烷基、卤代杂芳烷基、氰基低级烷基、羟基低级烷基、氨基低级烷基、低级烷氧基羰基、芳氧基羰基、氰基低级烷基、羟基低级烷基、氨基低级烷基、低级烷氧基羰基、芳氧基羰基、氰基、甲酰基、低级酰基、芳基羰基、环醚基、烯基、炔基低级烷基亚磺酰基、低级烷基磺酰基、低级烷基氨基磺酰基、芳基氨基磺酰基、低级烷基磺酰基氨基、卤代低级烷基磺酰基氨基或芳基磺酰基氨基;R2 和 R3 可以相同或互不相同,各自代表氢原子、卤素原子、低级烷基、卤代低级烷基、低级烷氧基、卤代低级烷氧基或氰基;R4 代表氢原子或卤素原子;R5 代表氢原子、低级烷基、卤代低级烷基、羟基低级烷基、低级烷氧基羰基或芳氧基羰基;和 n 为 0 或 1 至 3 的整数,具有多巴胺 2 受体拮抗作用和/或 5-羟色胺 2 受体拮抗作用,在临床上可用于治疗和改善精神疾病,如脑血管疾病、老年痴呆症引起的攻击行为、精神兴奋、多食癖、谵妄、幻觉、过度运动、精神分裂症、情感障碍、抑郁症、神经官能症、心理生理障碍和焦虑性神经症。