This invention relates to a process for preparing imidazolylalkylguanidines, in particular N-[3-(4-imidazolyl)propyl]-N'-[2-(5-methyl-4-imidazolylmethylthio)ethyl]gu anidine (impromidine) which has histamine H.sub.2 -agonist activity, to intermediates for use in this process and to processes for preparing these intermediates.
本发明涉及一种制备
咪唑基烷基
鸟氨酸,尤其是N-[3-(4-
咪唑基)丙基]-N'-[2-(5-甲基-4-
咪唑基甲
硫基)乙基]
鸟氨酸(impromidine)的方法,该
鸟氨酸具有
组胺H.sub.2 -激动剂活性,以及用于该过程的中间体和制备这些中间体的过程。