Imidazole derivatives which are useful intermediates for the production of compounds having pharmacological activity at histamine H.sub.2 receptors. A specific compound of the present invention is 4-(4-aminobutyl)-1,3-dihydro-5-methyl-2H-imidazole-2-thione, hereinafter referred to as 4-(4-Aminobutyl)-5-methylimidazole-2-thione.
咪唑衍
生物是有用的中间体,用于生产具有
组织胺H.sub.2受体药理活性的化合物。本发明的一种特定化合物是4-(4-
氨基丁基)-1,3-二氢-5-甲基-
2H-咪唑-2-硫酮,以下简称4-(4-
氨基丁基)-5-甲基
咪唑-2-
硫酮。