[EN] 4- (4-(HETEROCYCLYLALKOXY}PHENYL)-1-(HETEROCYCLYL-CARBONYL)PIPERIDINE DERIVATIVES AND RELATED COMPOUNDS AS HISTAMINE H3 ANTAGONISTS FOR THE TREATMENT OF NEUROLOGICAL DISEASES SUCH AS ALZHEIMER'S<br/>[FR] DERIVES DE 4-(4-(HETEROCYCLYLALKOXY)PHENYL-1-(HETEROCYCLYL-CARBONYL)PIPERIDINE ET COMPOSES ASSOCIES SERVANT D'ANTAGONISTES D'HISTAMINE H3 DESTINES AU TRAITEMENT DE TROUBLES NEUROLOGIQUES
申请人:GLAXO GROUP LTD
公开号:WO2004089373A1
公开(公告)日:2004-10-21
The present invention provides, in a first aspect, a compound of formula (I) or a pharmaceutically acceptable salt thereof wherein: R1 represents -C1-6 alkyl-O-C1-6 alkyl, -C3-8 cycloalkyl, aryl, heterocyclyl, heteroaryl and other groups; X represents a bond, O, CO, OCH2, CH2O or SO2; Z represents CO, CONR10 or SO2; R10 represents hydrogen, C1-6 alkyl, -C3-8 cycloalkyl, aryl, heterocyclyl, heteroaryl; A represents a single or a double bond; m and n independently represent 0, 1 or 2; R2 represents hydrogen, C1-6 alkyl or C1-6 alkoxy; R3 represents halogen, C1-6 alkyl, hydroxy, C1-6 alkoxy, cyano, amino, -COC1-6 alkyl, -SO2C1-6 alkyl or trifluoromethyl; R4 represents -(CH2)q-NR11R12 or a group of formula (i) wherein all the other substituents are as defined in claim 1. Compounds of formula (I) and their pharmaceutically acceptable salts have affinity for and are antagonists and/or inverse agonists of the histamine H3 receptor and are believed to be of potential use in the treatment of neurological diseases including Alzheimer's disease.
本发明在第一方面提供了一个式(I)的化合物或其药学上可接受的盐,其中:R1代表-C1-6烷基-O-C1-6烷基,-C3-8环烷基,芳基,杂环烷基,杂芳基和其他基团;X代表键,O,CO,OCH2,CH2O或SO2;Z代表CO,CONR10或SO2;R10代表氢,C1-6烷基,-C3-8环烷基,芳基,杂环烷基,杂芳基;A代表单键或双键;m和n独立地代表0,1或2;R2代表氢,C1-6烷基或C1-6烷氧基;R3代表卤素,C1-6烷基,羟基,C1-6烷氧基,氰基,氨基,-COC1-6烷基,-SO2C1-6烷基或三氟甲基;R4代表-(CH2)q-NR11R12或一个式(i)的基团,其中所有其他取代基的定义如权利要求1所述。式(I)的化合物及其药学上可接受的盐具有亲和力,并且是组织胺H3受体的拮抗剂和/或逆向激动剂,被认为在治疗包括阿尔茨海默病在内的神经系统疾病中具有潜在用途。