申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0028482A1
公开(公告)日:1981-05-13
The invention provides compounds of formula (I):-
and pharmaceutically acceptable acid addition salts thereof, which are useful as histamine H2-antagonists. In formula (I) Z is sulphur or methylene and A is a covalent bond or methylene or ethane-1,2-diyl optionally substituted with one C1-4 alkyl group and a second C1-4 alkyl group or a phenyl C1-4 alkyl group.
A particular compound of formula (I) is 2-[2- (2- guanidino-4-thiazolyl methylthio)ethylamino-]-3-nitro-1,4,5,6-tetrahydropyridine.
本发明提供了式 (I): - 的化合物及其药学上可接受的酸加成盐。
及其药学上可接受的酸加成盐,可用作组胺 H2-拮抗剂。在式 (I) 中,Z 是硫或亚甲基,A 是共价键或亚甲基或任选被一个 C1-4 烷基和第二个 C1-4 烷基或苯基 C1-4 烷基取代的乙烷-1,2-二基。
一种特殊的式 (I) 化合物是 2-[2-(2-胍基-4-噻唑基甲硫基)乙氨基-]-3-硝基-1,4,5,6-四氢吡啶。