申请人:Pfizer Inc.
公开号:US06046213A1
公开(公告)日:2000-04-04
This invention relates to compounds of formula (I), or pharmaceutically acceptable acid addition salts thereof, wherein: (a) R.sup.2 and R.sup.5 are taken separately and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently hydrogen, (C.sub.1 -C.sub.6) alkyl, halo, CF.sub.3, OH or OR.sup.7 and R.sup.5 is methyl or ethyl; or (b) R.sup.2 and R.sup.5 are taken together, forming a chroman-4-ol ring, and R.sup.1, R.sup.3 and R.sup.4 are each independently hydrogen, (C.sub.1 -C.sub.6) alkyl, halo, CF.sub.3, OH or OR.sup.7 ; and R.sup.6 is a substituted piperidinyl, pyrrolidinyl or 8-azabicyclo(3.2.1)octanyl derivative; provided that (a) when R.sup.2 and R.sup.5 are taken separately, at least one of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is not hydrogen; and (b) when R.sup.2 and R.sup.5 are taken together, at least one of R.sup.1, R.sup.3 and R.sup.4 is not hydrogen; pharmaceutical compositions thereof; and methods of treating mammals suffering from stroke, spinal cord trauma, traumatic brain injury, multiinfarct dementia, CNS degenerative diseases such as Alzheimer's disease, senile dementia of the Alzheimer's type, Huntington's disease, Parkinson's disease, epilepsy, amyotrophic lateral sclerosis, pain, AIDS dementia, psychotic conditions, drug addictions, migraine, hypoglycemia, anxiolytic conditions, urinary incontinence and an ischemic event arising from CNS surgery, open heart surgery or any procedure during which the function of the cardiovascular system is compromised with a compound of formula (I) hereinabove or a pharmaceutically acceptable salt thereof. ##STR1##
这项发明涉及化合物的结构式(I),或其药学上可接受的酸盐,其中:(a) R.sup.2和R.sup.5分别取,R.sup.1,R.sup.2,R.sup.3和R.sup.4各自独立地为氢,(C.sub.1 -C.sub.6)烷基,卤素,三氟甲基,羟基或OR.sup.7,R.sup.5为甲基或乙基;或者(b) R.sup.2和R.sup.5取在一起,形成一个色苷-4-醇环,R.sup.1,R.sup.3和R.sup.4各自独立地为氢,(C.sub.1 -C.sub.6)烷基,卤素,三氟甲基,羟基或OR.sup.7;而R.sup.6为取代的哌啶基,吡咯啉基或8-氮杂双环(3.2.1)辛基衍生物;条件是(a)当R.sup.2和R.sup.5分开取时,R.sup.1,R.sup.2,R.sup.3和R.sup.4中至少有一个不是氢;(b)当R.sup.2和R.sup.5取在一起时,R.sup.1,R.sup.3和R.sup.4中至少有一个不是氢;其中包括其药物组成;以及治疗患有中风,脊髓创伤,创伤性脑损伤,多梗塞性痴呆,中枢神经系统退行性疾病如阿尔茨海默病,老年性阿尔茨海默病,亨廷顿病,帕金森病,癫痫,肌萎缩侧索硬化,疼痛,艾滋病痴呆,精神病症,药物成瘾,偏头痛,低血糖,抗焦虑症状,尿失禁以及由中枢神经系统手术,开心脏手术或心血管系统功能受损的任何过程引起的缺血事件的方法,使用上述的结构式(I)中的化合物或其药学上可接受的盐。