申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0045155A1
公开(公告)日:1982-02-03
The invention relates to a guanidine derivative of the formula:
in which W is a 2-6C alkylene chain optionally substituted by 1 or 21-4C alkyls; E is O, S, SO, S02 or NR3 in which R3 is H or 1-6C alkyl; R1 is H or a straight chain 1-6C alkyl optionally substituted by 1 or 2 1-4C alkyls; or R1 and R3 are joined to form a morpholine, pyrrolidine, piperidine or piperazine; ring X, P, Y, Q and R2 are as defined in the specification, and the pharmaceutically-acceptable acid-addition salts thereof. Manufacturing process, pharmaceutical compositions and intermediates are also described. The compounds of the formula I are histamine H-2 antagonists.
本发明涉及一种式中的胍衍生物:
其中 W 是任选被 1 个或 21 个 4C 烷基取代的 2-6C 亚烷基链;E 是 O、S、SO、S02 或 NR3,其中 R3 是 H 或 1-6C 烷基;R1 是 H 或任选被 1 个或 2 个 1-4C 烷基取代的直链 1-6C 烷基;或 R1 和 R3 连接形成吗啉、吡咯烷、哌啶或哌嗪;环 X、P、Y、Q 和 R2 如说明书中所定义,以及其药学上可接受的酸加成盐。此外,还介绍了生产工艺、药物组合物和中间体。式 I 的化合物是组胺 H-2 拮抗剂。