申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0150099A1
公开(公告)日:1985-07-31
A guanidine derivative of the formula l:-
in which R1, R2, R3, R4, ring X and D are a variety of radicals defined in the specification and A is a 3-8C alkylene chain which is substituted by a hydroxy radical and into which is optionally inserted, as part of the backbone of the chain, one or two groups selected from oxygen and sulphur atoms and NH and 1-6C N-alkyl radicals; and the pharmaceutically-acceptable acid additions salts thereof. Pharmaceutical compositions and methods of manufacture are also described. The compound of the formula I is a histamine H-2 antagonist and is therefore useful in ulcer therapy.
一种式 l:- 的胍衍生物,其中 R1、R2、R3、R4、环 X 和 D 是说明书中定义的各种基团,A 是被羟基取代的 3-8C 亚烷基链,作为链骨架的一部分,其中任选插入一个或两个基团,这些基团选自氧和硫原子以及 NH 和 1-6C N-烷基;及其药学上可接受的酸加成盐。 还描述了药物组合物和制造方法。 式 I 的化合物是组胺 H-2 拮抗剂,因此可用于溃疡治疗。