Alpha aryl or heteroaryl methyl beta piperidino propanamide compounds as ORL1-receptor antagonists
申请人:Pfizer Inc.
公开号:US07354925B2
公开(公告)日:2008-04-08
This invention provides the compounds of formula (I):
or a pharmaceutically acceptable ester of such compound, or a pharmaceutically acceptable salt thereof, wherein R1 and R2 independently represent a hydrogen atom or the like; R3 represents a hydrogen atom, or the like; R4 represents a hydrogen atom or the like;
represents one of the following
or the like; R5 represents an aryl group having from 6 to 10 ring atoms or the like; X represents an oxygen atom, or the like; Y represents an oxygen atom or the like and n represents an integer 0, 1 or 2.
These compounds have ORL1-receptor antagonist activity; and therefore, are useful to treat diseases or conditions such as pain, various CNS diseases etc.
本发明提供了式(I)的化合物:或其药物可接受的酯,或其药物可接受的盐,其中R1和R2独立表示氢原子或类似物;R3表示氢原子或类似物;R4表示氢原子或类似物;表示以下之一或类似物;R5表示具有6至10个环原子的芳基基团或类似物;X表示氧原子或类似物;Y表示氧原子或类似物,n表示整数0、1或2。这些化合物具有ORL1受体拮抗活性;因此,它们可用于治疗疼痛、各种中枢神经系统疾病等疾病或症状。