| abstract |
A compound of the formula <IMAGE> I and when appropriate in the form of a racemic mixture or in the form of a stereoisomeric component and the pharmaceutically acceptable salts thereof, in which formula n is an integer 0, 1 or 2 Y is [CH2]m, CHOH, CHOCH3, CHNHR or CHF, m is an integer 0 or 1 and R is hydrogen, methyl or ethyl, Z is hydrogen or a saturated or unsaturated, straight or branched alkyl group containing 1-3 carbon atoms, A is a group <IMAGE> wherein Ra is a straight or branched hydroxyalkyl or an alkyl group containing 1-5 carbon atoms and optionally substituted by one or more fluoro atoms, Rc is a saturated or unsaturated, straight or branched alkyl group containing 1-4 carbon atoms and optionally substituted by one or more fluoro atoms, Ra' is the same as Ra and independently of Ra'', Ra'' is the same as Ra and independently of Ra', p is an integer 0, 1 or 2, s is an integer 2, 3, 4, 5 useful for the treatment of cardiac arrhythmia, pharmaceutical compositions containing such compounds as active ingredients, processes for preparation of such compounds as well as intermediates for their preparation. |