Amides acting as histamine H.sub.2 receptors antagonists, of formula ##STR1## wherein X represents a N.fwdarw.O or C-NH-A-B group in which A is CO or SO.sub.2 and B is alkyl, phenyl, pyridyl, pyridyl 1-oxide, pyrazinyl or thienyl; their salts; process for their preparation by reacting 2-(2-guanidinothiazol-4-ylmethylthio)ethylamine with a derivative of formula ##STR2## and optional salification; and pharmaceutical compositions containing same.
酰胺类化合物作为
组胺H.sub.2受体拮抗剂,其
化学式为##STR1## 其中X代表N.fwdarw.O或C-NH-A-B基团,其中A为CO或SO.sub.2,B为烷基,苯基,
吡啶基,
吡啶1-氧化物基,
吡嗪基或
噻吩基; 它们的盐; 通过将2-(2-
胍基
噻唑-4-基甲
硫基)
乙胺与化合物的衍
生物##STR2##反应并进行可选盐化的制备过程;以及含有它们的药物组合物。