申请人:Ohtake Norikazu
公开号:US20070105901A1
公开(公告)日:2007-05-10
Provided are a histamine-H3 receptor antagonist; and a preventive and/or a remedy for metabolic system diseases such as obesity, diabetes, hormone secretion disorder, hyperlipemia, gout, fatty liver, circulatory system diseases, for example, stenocardia, acute/congestive cardiac insufficiency, cardiac infarction, coronary arteriosclerosis, hypertension, nephropathy, sleep disorder and various diseases accompanied by sleep disorder such as idiopathic hypersomnia, repetitive hypersomnia, true hypersomnia, narcolepsy, sleep periodic acromotion disorder, sleep apnea syndrome, circadian rhythm disorder, chronic fatigue syndrome, REM sleep disorder, senile insomnia, night worker sleep insanitation, idiopathic insomnia, repetitive insomnia, true insomnia, electrolyte metabolism disorder, and central and peripheral nervous system diseases such as bulimia, emotional disorder, melancholia, anxiety, epilepsy, delirium, dementia, shinzophrenia, attention deficit/hyperactivity disorder, memory disorder, Alzheimer's disease, Parkinson's disease, sleep disorder, recognition disorder, motion disorder, paresthesia, dysosmia, epilepsy, morphine resistance, narcotic dependency, alcoholic dependency. The histamine-H3 receptor antagonist comprises a piperidine derivative compound of formula (I) [wherein X
1
and X
2
independently represent a nitrogen atom or CH; Y represents a specific group; X
3
represents O
s
—(CH
2
)
m
; R
1
and R
2
independently represent a hydrogen atom, a halogen atom, a linear or branched lower alkyl group, a lower alkoxy group, or an acetyl group substituted with 2 or 3 fluorine atoms; s is 0 or 1; and m is an integer to make (m+s) 0 or from 1 to 4], or its pharmaceutically-acceptable salt.
本发明提供了一种组胺H3受体拮抗剂;以及预防和/或治疗代谢系统疾病,例如肥胖症、糖尿病、激素分泌障碍、高脂血症、痛风、脂肪肝、循环系统疾病,例如心绞痛、急性/充血性心力衰竭、心肌梗塞、冠状动脉硬化、高血压、肾病、睡眠障碍以及伴随着睡眠障碍的各种疾病,例如特发性嗜睡症、反复性嗜睡症、真性嗜睡症、嗜睡症、睡眠周期性运动障碍、睡眠呼吸暂停综合征、昼夜节律障碍、慢性疲劳综合征、REM睡眠障碍、老年失眠、夜班工人睡眠不卫生、特发性失眠、反复性失眠、真性失眠、电解质代谢障碍,以及中枢和外周神经系统疾病,例如贪食症、情绪障碍、忧郁症、焦虑症、癫痫、谵妄、痴呆、精神分裂症、注意力缺陷/多动障碍、记忆障碍、阿尔茨海默病、帕金森病、睡眠障碍、认知障碍、运动障碍、感觉异常、嗅觉障碍、癫痫、吗啡耐受、麻醉剂依赖、酒精依赖等的预防和/或治疗剂。该组胺H3受体拮抗剂包括式(I)的哌啶衍生物化合物[其中X1和X2独立地表示氮原子或CH;Y表示特定基团;X3表示Os—(CH2)m;R1和R2独立地表示氢原子、卤素原子、线性或支链低碳基、低碳氧基或2或3个氟原子取代的乙酰基;s为0或1;m是一个使(m+s)为0或1至4的整数]或其药学上可接受的盐。