SUBSTITUTED PYRR0LIDIN-2-0NES , PIPERIDIN-2-0NES AND ISOTHIAZOLIDINE-1, 1-DIOXIDES, THEIR USE AS KVl .5 POTASSIUM CHANNEL BLOCKERS AND PHARMACEUTICAL PREPARATIONS COMPRISING THEM

摘要

The invention relates to compounds of the formula (I), in which A, R1 , R2, R3, R4, R5, R6, R7 and n have the meanings stated in the claims. The compounds are particularly suitable as antiarrhythmic active ingredients, in particular for the treatment and prophylaxis of atrial arrhythmias, for example atrial fibrillation (AF) or atrial flutter.