New aryloxy-alkylamines, their preparation and medicaments containing these

Abstract From the Canadian patent

28-, Summary, New aryloxy-alkylamine derivatives of the general formula I, in which A signifies a benzene or thiophene ring R and, R1, independently of one another each hydrogen, alkyl, halogen, CF3 or alkoxy R2 alkyl, cycloalkyl, alkenyl, alkynyl alkaryl or saturated or usnaturated aliphatic or aromatic acyl, R3 and R4 in each case hydrogen alkyl, alkenyl, alkynyl or cycloalkyl with in each, case, up to 8 C-atoms, whereby R3 and R4 can be the same or different but are not simultaneously hydrogen or R3 and R4, together with the nitrogen atom connecting them, form a 5- to 7-membered saturated ring or a saturated heterocyclic ring which can possibly contain an oxygen or nitrogen atom as a …