aryloxy - n - (aminoalkyl) - 1 - pyrrolidine and piperidincarboxamider and carbothioamider, in particular to the use of funds for the management of cardiac arrhythmias.

摘要

Antiarrhythmic pharmaceutical compositions comprise an aryloxy-N-(aminoalkyl)-1-pyrrolidine or piperidine carboxamide or carbothioamide of formula (I) …CHEM… wherein Ar represents 1-naphthyl, 2-naphthyl, 2,3-dihydro1H-inden-4-yl, 2,3-dihydro-1H-inden-5-yl, phenyl or substituted phenyl wherein the or each substituent independently is lower alkyl of from 1 to 8 carbon atoms, lower alkyloxy of from 1 to 8 carbon atoms, halogen or trifluoromethyl; m and n are 1 or 2 but are never 2 at the same time; p is 1, 2, 3 or 4; R represents hydrogen or lower alkyl of from 1 to 3 carbon atoms; each of R1 and R2 independently represents hydrogen, lower alkyl of from 1 to 8 carbon atoms, phenyl, phenyl lower alkyl of from 7 to 9 carbon atoms, or cycloalkyl of from 3 to 8 carbon atoms, or R1 and R2 taken together with the adjacent atom form a 4-morpholino, 1-pyrrolidino, 1-piperidino, 1-piperazino and 4-lower alkyl piperazin-1-yl heterocyclic residue; X represents oxygen or sulphur; or a pharmaceutically acceptable acid addition salts thereof. Novel compounds within formula (I) are also disclosed, as are processes for their preparation and intermediates useful in their preparation.