Compounds of the formula (I) in which R1, R2, R3 and R4 are as defined in Claim 1, are ligands of the nicotinic acetylcholine receptor and/or serotonergic ligands and are suitable for the prophylaxis or treatment of psychoses, schizophrenia, depression, anxiety states, dementia, in particular Alzheimer's disease and Lewy bodies dementia, neurodegenerative disorders, Parkinson's disease, amyotrophic lateral sclerosis, Huntington's disease, Tourette's syndrome, learning and memory restrictions, bulimia, anorexia nervosa or other eating disorders, compulsive behaviour, pre-menstrual syndrome, age-induced memory impairment, amelioration of withdrawal symptoms in nicotine dependence. Strokes or brain damage by toxic compounds, and for the treatment of disorders which are characterised by an excess of circulating serotonin or by serotonergic hyperactivity.
化合物的公式(I),其中R1、R2、R3和R4如权利要求1所定义,是尼古
丁酸乙酰胆碱受体的
配体和/或5-羟
色胺受体的
配体,适用于预防或治疗精神病、精神分裂症、抑郁症、焦虑症、痴呆症,特别是阿尔茨海默病和Lewy小体痴呆、神经退行性疾病、帕
金森病、肌萎缩性侧索硬化症、亨廷顿病、图雷特综合征、学习和记忆限制、贪食症、神经性厌食症或其他进食障碍、强迫行为、经前综合征、年龄引起的记忆障碍、改善
尼古丁依赖的戒断症状、中风或毒性化合物引起的脑损伤,以及治疗其特征为循环5-羟
色胺过多或5-羟
色胺活性过高的疾病。