The disclosure is directed to novel 1-[3-(2-hydroxy-3-alkylaminopropoxy)-2-thienyl]-3-phenyl-1-propanones and their salts. The compounds of the invention have the structural formula ##STR1## in which R and R.sub.1 are independently hydrogen or methyl and R.sub.2 is n-propyl, n-butyl, isobutyl or tert-butyl. The compounds have an outstanding antiarrhytmical activity already in low doses.
该公开涉及新颖的1-[3-(2-羟基-3-烷基
氨基丙氧基)-2-
噻吩基]-3-苯基-1-
丙酮和其盐。该发明的化合物具有结构式##STR1##其中R和R.sub.1独立地是氢或甲基,R.sub.2是正丙基、正丁基、异丁基或叔丁基。这些化合物在低剂量下已经表现出优异的抗心律失常活性。