申请人:TAKEDA PHARMACEUTICAL
公开号:WO2011083315A1
公开(公告)日:2011-07-14
The invention provides compounds of Formula (1); wherein: R1 represents C1-6 alkyl or H; X represents N or CH; Y represents -NR2R3 as depicted in Formula (A), or a ring of formula (B); wherein a represents the point of attachment to the pyridinyl or pyrazinyl ring; R2 represents C1-6 alkyl optionally substituted by haloC1-3 alkyl or C1-4 alkoxy; R3 represents H, C1-6 alkyl or C3-8 heterocyclyl; W represents -(CH2)n-; W) represents -(CH2)P-; n represents 1, 2 or 3;, p represents 1 or 2; R4 represents halogen or C1-4 alkoxy; and R5 represents H or halogen; R6 represents H or C1-6 alkyl;provided that, when X represents CH and R2 is C1-3 alkyl, R1 is not H; and provided that, when X represents CH and R4 represents halogen, R5 is not H; or a pharmaceutically acceptable salt thereof. The compounds of the invention have been found to modulate the histamine H3 receptor.
该发明提供了Formula (1)的化合物;其中:R1代表C1-6烷基或H;X代表N或CH;Y代表如Formula (A)所示的-NR2R3,或如Formula (B)所示的环;其中a代表连接到吡啶基或吡嗪基环的位置;R2代表C1-6烷基,可选择地被卤代C1-3烷基或C1-4烷氧基取代;R3代表H,C1-6烷基或C3-8杂环烷基;W代表-(CH2)n-;W)代表-(CH2)P-;n代表1、2或3;p代表1或2;R4代表卤素或C1-4烷氧基;R5代表H或卤素;R6代表H或C1-6烷基;前提是,当X代表CH且R2为C1-3烷基时,R1不是H;并且,当X代表CH且R4代表卤素时,R5不是H;或其药学上可接受的盐。已发现该发明的化合物能调节组胺H3受体。