| abstract |
The use for the preparation of drugs having H3 histamine receptor agonist properties on the central nervous system of the 4-(4(5)-imidazolyl) butyramidine (compound A), the O-[2-(4(5)-imidazolyl)-ethyl] isourea (compound C) the S-[2-(4(5)-imidazolyl) ethyl] isothiourea (compound E)as well as their N-methyl derivatives (compound B, D, F), and new compounds B, C, D, being useful for the preparation of drugs to be used as anti-migraine hypnotic, sleep-inducer, tranquillizer, sedative, anxiolytic, anti-asthmatic and anti-inflammatory agents, notably for the bronchi, the skin or the eyes, or as anti-gastric ulcer agents, and drugs comprising these compounds. |