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1-3-(2-Hydroxy-3-alkylamino-propoxy)-2-thienyl-3-phenyl-1-propanones and their acid addition salts, process for their preparation and pharmaceutical compositions containing them
1-3-(2-Hydroxy-3-alkylamino-propoxy)-2-thienyl-3-phenyl-1-propanones and their acid addition salts, process for their preparation and pharmaceutical compositions containing them
1-[3-(2-Hydroxy-3-alkylaminopropoxy)-2-thienyl]-3-phenyl-1-propa- nones of the formula IMAGE in which R and R1 in each case denote hydrogen or methyl, but at least one of these denoting methyl, R2 denotes alkyl, cycloalkyl or alkenyl each having up to 8 C atoms and R3 represents hydrogen or R2 and R3, together with the nitrogen atom bonding them, form a 6-membered saturated heterocyclic ring, which can optionally be substituted by an alkyl radical having 1 to 3 C atoms, with the proviso that R2 has a meaning other than propyl, n-butyl, isobutyl or tert-butyl if R3 is hydrogen, and their acid addition salts can be used for the treatment of cardiac arrhythmias.
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