Amidino sulphonic acid compounds of the formula
where Het is a nitrogen-containing 5 or 6 membered heterocyclic group, Z is sulphur or methylene, n is 2 or 3 and R is hydrogen, lower alkyl or Het CH2Z(CH2)n have activity as histamine H2-receptor antagonists and are the ingredients of pharmaceutical compositions. The compounds are prepared by primary amine coupling reactions.
Compounds of the invention where Z is a methylene group can also be prepared by reacting the corresponding thiourea or sulphinic acid with an oxidising agent.
式中的脒基
磺酸化合物
其中 Het 是含氮的 5 或 6 位杂环基团,Z 是
硫或亚甲基,n 是 2 或 3,R 是氢、低级烷基或 Het Z(
CH2)n 具有
组胺 H2 受体拮抗剂的活性,是药物组合物的成分。这些化合物是通过
伯胺偶联反应制备的。
Z 为亚甲基的本发明化合物也可通过相应的
硫脲或
亚硫酸与氧化剂反应制备。