申请人:ASTRAZENECA AB
公开号:WO2004004726A1
公开(公告)日:2004-01-15
The present invention provides compounds of formula (I), wherein R1 represents a C1-4alkoxy group optionally substituted by one or more fluoro or a C1-4alkyl group optionally substituted by one or more fluoro; n represents 0 or 1; R2 represents a C1-4alkyl group optionally substituted by one or more fluoro or a C1-4alkoxy group optionally substituted by one or more fluoro; m represents 0 or 1; R3 represents H or a C1-4alkyl group; L1 represents an alkylene chain (CH2)r in which r represents 2 or 3 or L1 represents a cyclohexyl group wherein the two nitrogens bearing R3 and R4, respectively, are linked to the cyclohexyl group either via the 1,3 or the 1,4 positions of the cyclohexyl group or L1 represents a cyclopentyl group wherein the two nitrogens bearing R3 and R4, respectively, are linked to the cyclopentyl group via the 1,3 position of the cyclopentyl group and additionally when R5 represents 9, 10-methanoanthracen-9(10H)-yl the group -L1-N(R4)- together represents a piperidyl ring which is linked to L2 through the piperidinyl nitrogen and to N-R3 via the 4 position of the piperidyl ring with the proviso that when R5 represents 9, 10-methanoanthracen-9(10H)-yl then r is only 2; R4 represents H or a C1-4alkyl group optionally substituted by one or more of the following: an aryl group or a heteroaryl group; L2 represents a bond or an alkylene chain (CH2)s in which s represents 1, 2 or 3 wherein the alkylene chain is optionally substituted by one or more of the following: a C1-4alkyl group, phenyl or heteroaryl; R5 represents aryl, a heterocyclic group or a C3-8cycloalkyl group which is optionally fused to a phenyl or to a heteroaryl group; as well as optical isomers and racemates thereof as well as pharmaceutically acceptable salts, thereof; with provisos, processes for preparing such compounds, their use in the treatment of obesity, psychiatric disorders, cognitive disorders, memory disorders, schizophrenia, epilepsy, and related conditions, and neurological disorders such as dementia, multiple sclerosis, Parkinson's disease, Huntington's chorea and Alzheier's disease and pain related disorders and to pharmaceutical compositions containing them.
本发明提供了以下式(I)的化合物,其中R1代表一个C1-4烷氧基团,该基团可以选择地被一个或多个氟或一个C1-4烷基基团选择性地取代;n代表0或1;R2代表一个C1-4烷基基团,该基团可以选择地被一个或多个氟或一个C1-4烷氧基团选择性地取代;m代表0或1;R3代表H或一个C1-4烷基基团;L1代表一个烷基链(CH2)r,其中r代表2或3,或者L1代表一个环己基团,其中分别带有R3和R4的两个氮原子通过环己基团的1,3位或1,4位连接到环己基团,或者L1代表一个环戊基团,其中分别带有R3和R4的两个氮原子通过环戊基团的1,3位连接到环戊基团,另外当R5代表9,10-甲基蒽-9(10H)-基时,-L1-N(R4)-群共同代表一个通过哌啶环与L2通过哌啶氮连接并通过哌啶环的4位与N-R3连接的哌啶环,但当R5代表9,10-甲基蒽-9(10H)-基时,r仅为2;R4代表H或一个C1-4烷基基团,该基团可以选择地被以下之一或多个取代:芳基或杂芳基;L2代表一个键或一个烷基链(CH2)s,其中s代表1,2或3,其中该烷基链可以选择地被以下之一或多个取代:一个C1-4烷基基团,苯基或杂芳基;R5代表芳基,一个杂环基团或一个C3-8环烷基基团,该基团可以选择地与苯基或杂芳基融合;以及它们的光学异构体和拉氏体,以及其药学上可接受的盐;具有特定条件,制备这种化合物的方法,它们在治疗肥胖症、精神障碍、认知障碍、记忆障碍、精神分裂症、癫痫、以及相关疾病,以及神经系统疾病如痴呆症、多发性硬化症、帕金森病、亨廷顿舞蹈症、阿尔茨海默病和与疼痛相关的疾病的治疗中的用途,以及含有它们的药物组合物。