Alicyclic structures carrying alkylamine chains have been the subject of a number of pharmacodynamic~ tudies, l-~ especially for their effect on blood pressure. By comparison with their aromatic prototypes, such alicyclic compounds show less activity and higher toxicity. 2 Cyclohexenyl, cyclohexyl and cyclopentyl derivatives were of the same general order of lowered activity. Branching of the side chain increased duration of action, in ...