1-R-3-Pyrrolidinyl-.alpha.,.alpha.-diphenylacetamides, -acetonitriles and -methanes represented by the following formula: ##STR1## wherein R represents hydrogen, lower alkyl, lower cycloalkyl or phenyllower alkyl, R.sup.1 represents hydrogen or lower alkyl, and Y is carbamoyl, di-lower-alkylcarbamoyl, pyrrolidinocarbonyl, morpholinocarbonyl, cyano or hydrogen having antiarrhythmic activity are disclosed. Pharmaceutically acceptable acid addition salts are included as part of the invention.
本发明涉及1-R-3-Pyrrolidinyl-.alpha.,.alpha.-diphenylacetamides, -acetonitriles和-methanes,其
化学式如下:##
STR1##
其中R代表
氢、较低的烷基、较低的
环烷基或
苯基较低的烷基,R.sup.1代表
氢或较低的烷基,Y代表
氨基甲酰基、二较低的烷基
氨基甲酰基、
吡咯烷基甲酰基、
吗啉基甲酰基、
氰基或
氢,具有抗心律失常活性。本发明还包括药学上可接受的酸盐作为发明的一部分。