[EN] BENZAZEPINE DERIVATIVES FOR THE TREATMENT OF CENTRAL NERVOUS SYSTEM DISORDERS<br/>[FR] DÉRIVÉS DE LA BENZAZÉPINE DESTINÉS À TRAITER DES TROUBLES DU SYSTÈME NERVEUX CENTRAL
申请人:TAKEDA PHARMACEUTICAL
公开号:WO2011083316A1
公开(公告)日:2011-07-14
A compound having the formula (1) wherein: Ra represents C1-6 alkyl, cyclobutyl or cyclopentyl; R1 represents H or C1-6 alkyl; R2 represents H or R1 and R2 together represent =0; X1 represents CR3 or N; X2 represents CR4 or N; X3 represents CR5 or N; X4 represents CR6 or N; wherein one or two of X1, X2, X3 and X4 represents N; R3, R4, R5 and R6 each independently represent H, C1-6 alkoxy or -NR7R8; R7 and R8 independently represent H or C1-6 alkyl; or R7 and R8 and the N atom to which they are attached are joined to form a N-containing heterocyclyl ring optionally substituted with one or more substituents independently selected from halogen, C1-6 alkyl and C1-6 alkoxy; or a pharmaceutically acceptable salt thereof, is provided. Compounds of the invention have been found to modulate the histamine H3 receptor.
具有以下式(1)的化合物:其中:Ra代表C1-6烷基,环丁基或环戊基;R1代表H或C1-6烷基;R2代表H或R1和R2一起代表=0;X1代表CR3或N;X2代表CR4或N;X3代表CR5或N;X4代表CR6或N;其中X1、X2、X3和X4中的一个或两个代表N;R3、R4、R5和R6各自独立地代表H,C1-6烷氧基或-NR7R8;R7和R8独立地代表H或C1-6烷基;或者R7和R8以及它们连接的N原子结合形成含氮杂环烷基环,该环可以选择性地用一个或多个卤素、C1-6烷基和C1-6烷氧基中的一个或多个取代基取代;或其药学上可接受的盐。发现本发明的化合物能够调节组胺H3受体。